Merge branch 'develop' into release/2024.3.1

159 files changed, 2297 insertions, 773 deletions

diff --git a/packages/backend/src/core/AccountMoveService.ts b/packages/backend/src/core/AccountMoveService.ts
index 350aa6ba24..5bd885df40 100644
--- a/packages/backend/src/core/AccountMoveService.ts
+++ b/packages/backend/src/core/AccountMoveService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -20,7 +20,6 @@ import { ApPersonService } from '@/core/activitypub/models/ApPersonService.js';
 import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerService.js';
 import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
-import { CacheService } from '@/core/CacheService.js';
 import { ProxyAccountService } from '@/core/ProxyAccountService.js';
 import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
 import { MetaService } from '@/core/MetaService.js';
@@ -60,7 +59,6 @@ export class AccountMoveService {
 		private instanceChart: InstanceChart,
 		private metaService: MetaService,
 		private relayService: RelayService,
-		private cacheService: CacheService,
 		private queueService: QueueService,
 	) {
 	}
@@ -84,7 +82,7 @@ export class AccountMoveService {
 		Object.assign(src, update);
 
 		// Update cache
-		this.cacheService.uriPersonCache.set(srcUri, src);
+		this.globalEventService.publishInternalEvent('localUserUpdated', src);
 
 		const srcPerson = await this.apRendererService.renderPerson(src);
 		const updateAct = this.apRendererService.addContext(this.apRendererService.renderUpdate(srcPerson, src));
@@ -96,7 +94,7 @@ export class AccountMoveService {
 		await this.apDeliverManagerService.deliverToFollowers(src, moveAct);
 
 		// Publish meUpdated event
-		const iObj = await this.userEntityService.pack<true, true>(src.id, src, { detail: true, includeSecrets: true });
+		const iObj = await this.userEntityService.pack(src.id, src, { schema: 'MeDetailed', includeSecrets: true });
 		this.globalEventService.publishMainStream(src.id, 'meUpdated', iObj);
 
 		// Unfollow after 24 hours
diff --git a/packages/backend/src/core/AccountUpdateService.ts b/packages/backend/src/core/AccountUpdateService.ts
index 664700ea6b..69a57b4854 100644
--- a/packages/backend/src/core/AccountUpdateService.ts
+++ b/packages/backend/src/core/AccountUpdateService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/AchievementService.ts b/packages/backend/src/core/AchievementService.ts
index 88fc033859..4fc1193f32 100644
--- a/packages/backend/src/core/AchievementService.ts
+++ b/packages/backend/src/core/AchievementService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -87,6 +87,8 @@ export const ACHIEVEMENT_TYPES = [
 	'brainDiver',
 	'smashTestNotificationButton',
 	'tutorialCompleted',
+	'bubbleGameExplodingHead',
+	'bubbleGameDoubleExplodingHead',
 ] as const;
 
 @Injectable()
diff --git a/packages/backend/src/core/AnnouncementService.ts b/packages/backend/src/core/AnnouncementService.ts
index 8c348e595d..b298a70929 100644
--- a/packages/backend/src/core/AnnouncementService.ts
+++ b/packages/backend/src/core/AnnouncementService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/AntennaService.ts b/packages/backend/src/core/AntennaService.ts
index 2c27a02559..4f956a43ed 100644
--- a/packages/backend/src/core/AntennaService.ts
+++ b/packages/backend/src/core/AntennaService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -55,23 +55,29 @@ export class AntennaService implements OnApplicationShutdown {
 			const { type, body } = obj.message as GlobalEvents['internal']['payload'];
 			switch (type) {
 				case 'antennaCreated':
-					this.antennas.push({
+					this.antennas.push({ // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
 						...body,
 						lastUsedAt: new Date(body.lastUsedAt),
+						user: null, // joinなカラムは通常取ってこないので
+						userList: null, // joinなカラムは通常取ってこないので
 					});
 					break;
 				case 'antennaUpdated': {
 					const idx = this.antennas.findIndex(a => a.id === body.id);
 					if (idx >= 0) {
-						this.antennas[idx] = {
+						this.antennas[idx] = { // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
 							...body,
 							lastUsedAt: new Date(body.lastUsedAt),
+							user: null, // joinなカラムは通常取ってこないので
+							userList: null, // joinなカラムは通常取ってこないので
 						};
 					} else {
 						// サーバ起動時にactiveじゃなかった場合、リストに持っていないので追加する必要あり
-						this.antennas.push({
+						this.antennas.push({ // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
 							...body,
 							lastUsedAt: new Date(body.lastUsedAt),
+							user: null, // joinなカラムは通常取ってこないので
+							userList: null, // joinなカラムは通常取ってこないので
 						});
 					}
 				}
diff --git a/packages/backend/src/core/AppLockService.ts b/packages/backend/src/core/AppLockService.ts
index 7a1293a6de..bd2749cb87 100644
--- a/packages/backend/src/core/AppLockService.ts
+++ b/packages/backend/src/core/AppLockService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/AvatarDecorationService.ts b/packages/backend/src/core/AvatarDecorationService.ts
index e97946f9dc..21e31d79a4 100644
--- a/packages/backend/src/core/AvatarDecorationService.ts
+++ b/packages/backend/src/core/AvatarDecorationService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/CacheService.ts b/packages/backend/src/core/CacheService.ts
index e1413342b1..d008e7ec52 100644
--- a/packages/backend/src/core/CacheService.ts
+++ b/packages/backend/src/core/CacheService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -16,10 +16,10 @@ import type { OnApplicationShutdown } from '@nestjs/common';
 
 @Injectable()
 export class CacheService implements OnApplicationShutdown {
-	public userByIdCache: MemoryKVCache<MiUser, MiUser | string>;
-	public localUserByNativeTokenCache: MemoryKVCache<MiLocalUser | null, string | null>;
+	public userByIdCache: MemoryKVCache<MiUser>;
+	public localUserByNativeTokenCache: MemoryKVCache<MiLocalUser | null>;
 	public localUserByIdCache: MemoryKVCache<MiLocalUser>;
-	public uriPersonCache: MemoryKVCache<MiUser | null, string | null>;
+	public uriPersonCache: MemoryKVCache<MiUser | null>;
 	public userProfileCache: RedisKVCache<MiUserProfile>;
 	public userMutingsCache: RedisKVCache<Set<string>>;
 	public userBlockingCache: RedisKVCache<Set<string>>;
@@ -56,41 +56,10 @@ export class CacheService implements OnApplicationShutdown {
 	) {
 		//this.onMessage = this.onMessage.bind(this);
 
-		const localUserByIdCache = new MemoryKVCache<MiLocalUser>(1000 * 60 * 60 * 6 /* 6h */);
-		this.localUserByIdCache	= localUserByIdCache;
-
-		// ローカルユーザーならlocalUserByIdCacheにデータを追加し、こちらにはid(文字列)だけを追加する
-		const userByIdCache = new MemoryKVCache<MiUser, MiUser | string>(1000 * 60 * 60 * 6 /* 6h */, {
-			toMapConverter: user => {
-				if (user.host === null) {
-					localUserByIdCache.set(user.id, user as MiLocalUser);
-					return user.id;
-				}
-
-				return user;
-			},
-			fromMapConverter: userOrId => typeof userOrId === 'string' ? localUserByIdCache.get(userOrId) : userOrId,
-		});
-		this.userByIdCache = userByIdCache;
-
-		this.localUserByNativeTokenCache = new MemoryKVCache<MiLocalUser | null, string | null>(Infinity, {
-			toMapConverter: user => {
-				if (user === null) return null;
-
-				localUserByIdCache.set(user.id, user);
-				return user.id;
-			},
-			fromMapConverter: id => id === null ? null : localUserByIdCache.get(id),
-		});
-		this.uriPersonCache = new MemoryKVCache<MiUser | null, string | null>(Infinity, {
-			toMapConverter: user => {
-				if (user === null) return null;
-
-				userByIdCache.set(user.id, user);
-				return user.id;
-			},
-			fromMapConverter: id => id === null ? null : userByIdCache.get(id),
-		});
+		this.userByIdCache = new MemoryKVCache<MiUser>(Infinity);
+		this.localUserByNativeTokenCache = new MemoryKVCache<MiLocalUser | null>(Infinity);
+		this.localUserByIdCache = new MemoryKVCache<MiLocalUser>(Infinity);
+		this.uriPersonCache = new MemoryKVCache<MiUser | null>(Infinity);
 
 		this.userProfileCache = new RedisKVCache<MiUserProfile>(this.redisClient, 'userProfile', {
 			lifetime: 1000 * 60 * 30, // 30m
@@ -159,17 +128,29 @@ export class CacheService implements OnApplicationShutdown {
 			const { type, body } = obj.message as GlobalEvents['internal']['payload'];
 			switch (type) {
 				case 'userChangeSuspendedState':
-				case 'remoteUserUpdated': {
-					const user = await this.usersRepository.findOneByOrFail({ id: body.id });
-					this.userByIdCache.set(user.id, user);
-					for (const [k, v] of this.uriPersonCache.cache.entries()) {
-						if (v.value === user.id) {
-							this.uriPersonCache.set(k, user);
+				case 'userChangeDeletedState':
+				case 'remoteUserUpdated':
+				case 'localUserUpdated': {
+					const user = await this.usersRepository.findOneBy({ id: body.id });
+					if (user == null) {
+						this.userByIdCache.delete(body.id);
+						this.localUserByIdCache.delete(body.id);
+						for (const [k, v] of this.uriPersonCache.cache.entries()) {
+							if (v.value?.id === body.id) {
+								this.uriPersonCache.delete(k);
+							}
+						}
+					} else {
+						this.userByIdCache.set(user.id, user);
+						for (const [k, v] of this.uriPersonCache.cache.entries()) {
+							if (v.value?.id === user.id) {
+								this.uriPersonCache.set(k, user);
+							}
+						}
+						if (this.userEntityService.isLocalUser(user)) {
+							this.localUserByNativeTokenCache.set(user.token!, user);
+							this.localUserByIdCache.set(user.id, user);
 						}
-					}
-					if (this.userEntityService.isLocalUser(user)) {
-						this.localUserByNativeTokenCache.set(user.token!, user);
-						this.localUserByIdCache.set(user.id, user);
 					}
 					break;
 				}
diff --git a/packages/backend/src/core/CaptchaService.ts b/packages/backend/src/core/CaptchaService.ts
index f64196f4fc..f6b7955cd2 100644
--- a/packages/backend/src/core/CaptchaService.ts
+++ b/packages/backend/src/core/CaptchaService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -73,6 +73,37 @@ export class CaptchaService {
 		}
 	}
 
+	// https://codeberg.org/Gusted/mCaptcha/src/branch/main/mcaptcha.go
+	@bindThis
+	public async verifyMcaptcha(secret: string, siteKey: string, instanceHost: string, response: string | null | undefined): Promise<void> {
+		if (response == null) {
+			throw new Error('mcaptcha-failed: no response provided');
+		}
+
+		const endpointUrl = new URL('/api/v1/pow/siteverify', instanceHost);
+		const result = await this.httpRequestService.send(endpointUrl.toString(), {
+			method: 'POST',
+			body: JSON.stringify({
+				key: siteKey,
+				secret: secret,
+				token: response,
+			}),
+			headers: {
+				'Content-Type': 'application/json',
+			},
+		});
+
+		if (result.status !== 200) {
+			throw new Error('mcaptcha-failed: mcaptcha didn\'t return 200 OK');
+		}
+
+		const resp = (await result.json()) as { valid: boolean };
+
+		if (!resp.valid) {
+			throw new Error('mcaptcha-request-failed');
+		}
+	}
+
 	@bindThis
 	public async verifyTurnstile(secret: string, response: string | null | undefined): Promise<void> {
 		if (response == null) {
diff --git a/packages/backend/src/core/ClipService.ts b/packages/backend/src/core/ClipService.ts
index e94f1eb531..bb8be26ce6 100644
--- a/packages/backend/src/core/ClipService.ts
+++ b/packages/backend/src/core/ClipService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/CoreModule.ts b/packages/backend/src/core/CoreModule.ts
index fa868ff8b0..48a2a2b80c 100644
--- a/packages/backend/src/core/CoreModule.ts
+++ b/packages/backend/src/core/CoreModule.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -66,6 +66,8 @@ import { FeaturedService } from './FeaturedService.js';
 import { FanoutTimelineService } from './FanoutTimelineService.js';
 import { ChannelFollowingService } from './ChannelFollowingService.js';
 import { RegistryApiService } from './RegistryApiService.js';
+import { ReversiService } from './ReversiService.js';
+
 import { ChartLoggerService } from './chart/ChartLoggerService.js';
 import FederationChart from './chart/charts/federation.js';
 import NotesChart from './chart/charts/notes.js';
@@ -80,6 +82,7 @@ import PerUserFollowingChart from './chart/charts/per-user-following.js';
 import PerUserDriveChart from './chart/charts/per-user-drive.js';
 import ApRequestChart from './chart/charts/ap-request.js';
 import { ChartManagementService } from './chart/ChartManagementService.js';
+
 import { AbuseUserReportEntityService } from './entities/AbuseUserReportEntityService.js';
 import { AntennaEntityService } from './entities/AntennaEntityService.js';
 import { AppEntityService } from './entities/AppEntityService.js';
@@ -112,6 +115,9 @@ import { UserListEntityService } from './entities/UserListEntityService.js';
 import { FlashEntityService } from './entities/FlashEntityService.js';
 import { FlashLikeEntityService } from './entities/FlashLikeEntityService.js';
 import { RoleEntityService } from './entities/RoleEntityService.js';
+import { ReversiGameEntityService } from './entities/ReversiGameEntityService.js';
+import { MetaEntityService } from './entities/MetaEntityService.js';
+
 import { ApAudienceService } from './activitypub/ApAudienceService.js';
 import { ApDbResolverService } from './activitypub/ApDbResolverService.js';
 import { ApDeliverManagerService } from './activitypub/ApDeliverManagerService.js';
@@ -199,6 +205,7 @@ const $FanoutTimelineService: Provider = { provide: 'FanoutTimelineService', use
 const $FanoutTimelineEndpointService: Provider = { provide: 'FanoutTimelineEndpointService', useExisting: FanoutTimelineEndpointService };
 const $ChannelFollowingService: Provider = { provide: 'ChannelFollowingService', useExisting: ChannelFollowingService };
 const $RegistryApiService: Provider = { provide: 'RegistryApiService', useExisting: RegistryApiService };
+const $ReversiService: Provider = { provide: 'ReversiService', useExisting: ReversiService };
 
 const $ChartLoggerService: Provider = { provide: 'ChartLoggerService', useExisting: ChartLoggerService };
 const $FederationChart: Provider = { provide: 'FederationChart', useExisting: FederationChart };
@@ -247,6 +254,8 @@ const $UserListEntityService: Provider = { provide: 'UserListEntityService', use
 const $FlashEntityService: Provider = { provide: 'FlashEntityService', useExisting: FlashEntityService };
 const $FlashLikeEntityService: Provider = { provide: 'FlashLikeEntityService', useExisting: FlashLikeEntityService };
 const $RoleEntityService: Provider = { provide: 'RoleEntityService', useExisting: RoleEntityService };
+const $ReversiGameEntityService: Provider = { provide: 'ReversiGameEntityService', useExisting: ReversiGameEntityService };
+const $MetaEntityService: Provider = { provide: 'MetaEntityService', useExisting: MetaEntityService };
 
 const $ApAudienceService: Provider = { provide: 'ApAudienceService', useExisting: ApAudienceService };
 const $ApDbResolverService: Provider = { provide: 'ApDbResolverService', useExisting: ApDbResolverService };
@@ -336,6 +345,8 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		FanoutTimelineEndpointService,
 		ChannelFollowingService,
 		RegistryApiService,
+		ReversiService,
+
 		ChartLoggerService,
 		FederationChart,
 		NotesChart,
@@ -350,6 +361,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		PerUserDriveChart,
 		ApRequestChart,
 		ChartManagementService,
+
 		AbuseUserReportEntityService,
 		AntennaEntityService,
 		AppEntityService,
@@ -382,6 +394,9 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		FlashEntityService,
 		FlashLikeEntityService,
 		RoleEntityService,
+		ReversiGameEntityService,
+		MetaEntityService,
+
 		ApAudienceService,
 		ApDbResolverService,
 		ApDeliverManagerService,
@@ -466,6 +481,8 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$FanoutTimelineEndpointService,
 		$ChannelFollowingService,
 		$RegistryApiService,
+		$ReversiService,
+
 		$ChartLoggerService,
 		$FederationChart,
 		$NotesChart,
@@ -480,6 +497,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$PerUserDriveChart,
 		$ApRequestChart,
 		$ChartManagementService,
+
 		$AbuseUserReportEntityService,
 		$AntennaEntityService,
 		$AppEntityService,
@@ -512,6 +530,9 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$FlashEntityService,
 		$FlashLikeEntityService,
 		$RoleEntityService,
+		$ReversiGameEntityService,
+		$MetaEntityService,
+
 		$ApAudienceService,
 		$ApDbResolverService,
 		$ApDeliverManagerService,
@@ -597,6 +618,8 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		FanoutTimelineEndpointService,
 		ChannelFollowingService,
 		RegistryApiService,
+		ReversiService,
+
 		FederationChart,
 		NotesChart,
 		UsersChart,
@@ -610,6 +633,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		PerUserDriveChart,
 		ApRequestChart,
 		ChartManagementService,
+
 		AbuseUserReportEntityService,
 		AntennaEntityService,
 		AppEntityService,
@@ -642,6 +666,9 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		FlashEntityService,
 		FlashLikeEntityService,
 		RoleEntityService,
+		ReversiGameEntityService,
+		MetaEntityService,
+
 		ApAudienceService,
 		ApDbResolverService,
 		ApDeliverManagerService,
@@ -726,6 +753,8 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$FanoutTimelineEndpointService,
 		$ChannelFollowingService,
 		$RegistryApiService,
+		$ReversiService,
+
 		$FederationChart,
 		$NotesChart,
 		$UsersChart,
@@ -739,6 +768,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$PerUserDriveChart,
 		$ApRequestChart,
 		$ChartManagementService,
+
 		$AbuseUserReportEntityService,
 		$AntennaEntityService,
 		$AppEntityService,
@@ -771,6 +801,9 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$FlashEntityService,
 		$FlashLikeEntityService,
 		$RoleEntityService,
+		$ReversiGameEntityService,
+		$MetaEntityService,
+
 		$ApAudienceService,
 		$ApDbResolverService,
 		$ApDeliverManagerService,
diff --git a/packages/backend/src/core/CreateSystemUserService.ts b/packages/backend/src/core/CreateSystemUserService.ts
index 58853c8e23..14d814b0e6 100644
--- a/packages/backend/src/core/CreateSystemUserService.ts
+++ b/packages/backend/src/core/CreateSystemUserService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/CustomEmojiService.ts b/packages/backend/src/core/CustomEmojiService.ts
index 5a1fe3d089..acc1c604e6 100644
--- a/packages/backend/src/core/CustomEmojiService.ts
+++ b/packages/backend/src/core/CustomEmojiService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -408,7 +408,7 @@ export class CustomEmojiService implements OnApplicationShutdown {
 	 */
 	@bindThis
 	public checkDuplicate(name: string): Promise<boolean> {
-		return this.emojisRepository.exist({ where: { name, host: IsNull() } });
+		return this.emojisRepository.exists({ where: { name, host: IsNull() } });
 	}
 
 	@bindThis
@@ -417,6 +417,11 @@ export class CustomEmojiService implements OnApplicationShutdown {
 	}
 
 	@bindThis
+	public getEmojiByName(name: string): Promise<MiEmoji | null> {
+		return this.emojisRepository.findOneBy({ name, host: IsNull() });
+	}
+
+	@bindThis
 	public dispose(): void {
 		this.cache.dispose();
 	}
diff --git a/packages/backend/src/core/DeleteAccountService.ts b/packages/backend/src/core/DeleteAccountService.ts
index 570bd440e4..79b614edba 100644
--- a/packages/backend/src/core/DeleteAccountService.ts
+++ b/packages/backend/src/core/DeleteAccountService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -9,6 +9,7 @@ import { QueueService } from '@/core/QueueService.js';
 import { UserSuspendService } from '@/core/UserSuspendService.js';
 import { DI } from '@/di-symbols.js';
 import { bindThis } from '@/decorators.js';
+import { GlobalEventService } from '@/core/GlobalEventService.js';
 
 @Injectable()
 export class DeleteAccountService {
@@ -18,6 +19,7 @@ export class DeleteAccountService {
 
 		private userSuspendService: UserSuspendService,
 		private queueService: QueueService,
+		private globalEventService: GlobalEventService,
 	) {
 	}
 
@@ -39,5 +41,7 @@ export class DeleteAccountService {
 		await this.usersRepository.update(user.id, {
 			isDeleted: true,
 		});
+
+		this.globalEventService.publishInternalEvent('userChangeDeletedState', { id: user.id, isDeleted: true });
 	}
 }
diff --git a/packages/backend/src/core/DownloadService.ts b/packages/backend/src/core/DownloadService.ts
index 5474272b00..21ae798f9f 100644
--- a/packages/backend/src/core/DownloadService.ts
+++ b/packages/backend/src/core/DownloadService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -145,7 +145,8 @@ export class DownloadService {
 		const parsedIp = ipaddr.parse(ip);
 
 		for (const net of this.config.allowedPrivateNetworks ?? []) {
-			if (parsedIp.match(ipaddr.parseCIDR(net))) {
+			const cidr = ipaddr.parseCIDR(net);
+			if (cidr[0].kind() === parsedIp.kind() && parsedIp.match(ipaddr.parseCIDR(net))) {
 				return false;
 			}
 		}
diff --git a/packages/backend/src/core/DriveService.ts b/packages/backend/src/core/DriveService.ts
index 9b6187be4f..f64568ee9a 100644
--- a/packages/backend/src/core/DriveService.ts
+++ b/packages/backend/src/core/DriveService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -7,7 +7,7 @@ import { randomUUID } from 'node:crypto';
 import * as fs from 'node:fs';
 import { Inject, Injectable } from '@nestjs/common';
 import sharp from 'sharp';
-import { sharpBmp } from 'sharp-read-bmp';
+import { sharpBmp } from '@misskey-dev/sharp-read-bmp';
 import { IsNull } from 'typeorm';
 import { DeleteObjectCommandInput, PutObjectCommandInput, NoSuchKey } from '@aws-sdk/client-s3';
 import { DI } from '@/di-symbols.js';
@@ -634,7 +634,7 @@ export class DriveService {
 	public async updateFile(file: MiDriveFile, values: Partial<MiDriveFile>, updater: MiUser) {
 		const alwaysMarkNsfw = (await this.roleService.getUserPolicies(file.userId)).alwaysMarkNsfw;
 
-		if (values.name && !this.driveFileEntityService.validateFileName(file.name)) {
+		if (values.name != null && !this.driveFileEntityService.validateFileName(values.name)) {
 			throw new DriveService.InvalidFileNameError();
 		}
 
diff --git a/packages/backend/src/core/EmailService.ts b/packages/backend/src/core/EmailService.ts
index 7fc7800783..08f8f80a6e 100644
--- a/packages/backend/src/core/EmailService.ts
+++ b/packages/backend/src/core/EmailService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -40,6 +40,8 @@ export class EmailService {
 	public async sendEmail(to: string, subject: string, html: string, text: string) {
 		const meta = await this.metaService.fetch(true);
 
+		if (!meta.enableEmail) return;
+
 		const iconUrl = `${this.config.url}/static-assets/mi-white.png`;
 		const emailSettingUrl = `${this.config.url}/settings/email`;
 
@@ -156,7 +158,7 @@ export class EmailService {
 	@bindThis
 	public async validateEmailForAccount(emailAddress: string): Promise<{
 		available: boolean;
-		reason: null | 'used' | 'format' | 'disposable' | 'mx' | 'smtp' | 'banned';
+		reason: null | 'used' | 'format' | 'disposable' | 'mx' | 'smtp' | 'banned' | 'network' | 'blacklist';
 	}> {
 		const meta = await this.metaService.fetch();
 
@@ -165,14 +167,23 @@ export class EmailService {
 			email: emailAddress,
 		});
 
+		if (exist !== 0) {
+			return {
+				available: false,
+				reason: 'used',
+			};
+		}
+
 		let validated: {
 			valid: boolean,
 			reason?: string | null,
-		};
+		} = { valid: true, reason: null };
 
 		if (meta.enableActiveEmailValidation) {
 			if (meta.enableVerifymailApi && meta.verifymailAuthKey != null) {
 				validated = await this.verifyMail(emailAddress, meta.verifymailAuthKey);
+			} else if (meta.enableTruemailApi && meta.truemailInstance && meta.truemailAuthKey != null) {
+				validated = await this.trueMail(meta.truemailInstance, emailAddress, meta.truemailAuthKey);
 			} else {
 				validated = await validateEmail({
 					email: emailAddress,
@@ -183,25 +194,37 @@ export class EmailService {
 					validateSMTP: false, // 日本だと25ポートが殆どのプロバイダーで塞がれていてタイムアウトになるので
 				});
 			}
-		} else {
-			validated = { valid: true, reason: null };
+		}
+
+		if (!validated.valid) {
+			const formatReason: Record<string, 'format' | 'disposable' | 'mx' | 'smtp' | 'network' | 'blacklist' | undefined> = {
+				regex: 'format',
+				disposable: 'disposable',
+				mx: 'mx',
+				smtp: 'smtp',
+				network: 'network',
+				blacklist: 'blacklist',
+			};
+
+			return {
+				available: false,
+				reason: validated.reason ? formatReason[validated.reason] ?? null : null,
+			};
 		}
 
 		const emailDomain: string = emailAddress.split('@')[1];
 		const isBanned = this.utilityService.isBlockedHost(meta.bannedEmailDomains, emailDomain);
 
-		const available = exist === 0 && validated.valid && !isBanned;
+		if (isBanned) {
+			return {
+				available: false,
+				reason: 'banned',
+			};
+		}
 
 		return {
-			available,
-			reason: available ? null :
-			exist !== 0 ? 'used' :
-			isBanned ? 'banned' :
-			validated.reason === 'regex' ? 'format' :
-			validated.reason === 'disposable' ? 'disposable' :
-			validated.reason === 'mx' ? 'mx' :
-			validated.reason === 'smtp' ? 'smtp' :
-			null,
+			available: true,
+			reason: null,
 		};
 	}
 
@@ -218,7 +241,8 @@ export class EmailService {
 			},
 		});
 
-		const json = (await res.json()) as {
+		const json = (await res.json()) as Partial<{
+			message: string;
 			block: boolean;
 			catch_all: boolean;
 			deliverable_email: boolean;
@@ -233,8 +257,15 @@ export class EmailService {
 			mx_priority: { [key: string]: number };
 			privacy: boolean;
 			related_domains: string[];
-		};
+		}>;
 
+		/* api error: when there is only one `message` attribute in the returned result */
+		if (Object.keys(json).length === 1 && Reflect.has(json, 'message')) {
+			return {
+				valid: false,
+				reason: null,
+			};
+		}
 		if (json.email_address === undefined) {
 			return {
 				valid: false,
@@ -265,4 +296,68 @@ export class EmailService {
 			reason: null,
 		};
 	}
+
+	private async trueMail<T>(truemailInstance: string, emailAddress: string, truemailAuthKey: string): Promise<{
+		valid: boolean;
+		reason: 'used' | 'format' | 'blacklist' | 'mx' | 'smtp' | 'network' | T | null;
+	}> {
+		const endpoint = truemailInstance + '?email=' + emailAddress;
+		try {
+			const res = await this.httpRequestService.send(endpoint, {
+				method: 'POST',
+				headers: {
+					'Content-Type': 'application/json',
+					Accept: 'application/json',
+					Authorization: truemailAuthKey,
+				},
+			});
+
+			const json = (await res.json()) as {
+				email: string;
+				success: boolean;
+				error?: string;
+				errors?: {
+					list_match?: string;
+					regex?: string;
+					mx?: string;
+					smtp?: string;
+				} | null;
+			};
+
+			if (json.email === undefined || json.errors?.regex) {
+				return {
+					valid: false,
+					reason: 'format',
+				};
+			}
+			if (json.errors?.smtp) {
+				return {
+					valid: false,
+					reason: 'smtp',
+				};
+			}
+			if (json.errors?.mx) {
+				return {
+					valid: false,
+					reason: 'mx',
+				};
+			}
+			if (!json.success) {
+				return {
+					valid: false,
+					reason: json.errors?.list_match as T || 'blacklist',
+				};
+			}
+
+			return {
+				valid: true,
+				reason: null,
+			};
+		} catch (error) {
+			return {
+				valid: false,
+				reason: 'network',
+			};
+		}
+	}
 }
diff --git a/packages/backend/src/core/FanoutTimelineEndpointService.ts b/packages/backend/src/core/FanoutTimelineEndpointService.ts
index 6d857d189e..6aa63d7d55 100644
--- a/packages/backend/src/core/FanoutTimelineEndpointService.ts
+++ b/packages/backend/src/core/FanoutTimelineEndpointService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -122,6 +122,8 @@ export class FanoutTimelineEndpointService {
 				filter = (note) => {
 					if (isUserRelated(note, userIdsWhoBlockingMe, ps.ignoreAuthorFromBlock)) return false;
 					if (isUserRelated(note, userIdsWhoMeMuting, ps.ignoreAuthorFromMute)) return false;
+					if (note.mentions.some(mention => userIdsWhoMeMuting.has(mention))) return false;
+					if (isPureRenote(note) && note.renote && note.renote.mentions.some(mention => userIdsWhoMeMuting.has(mention))) return false;
 					if (isPureRenote(note) && isUserRelated(note, userIdsWhoMeMutingRenotes, ps.ignoreAuthorFromMute)) return false;
 					if (isInstanceMuted(note, userMutedInstances)) return false;
 
diff --git a/packages/backend/src/core/FanoutTimelineService.ts b/packages/backend/src/core/FanoutTimelineService.ts
index 9b2678fbcd..f6dabfadcd 100644
--- a/packages/backend/src/core/FanoutTimelineService.ts
+++ b/packages/backend/src/core/FanoutTimelineService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/FeaturedService.ts b/packages/backend/src/core/FeaturedService.ts
index 595383c82c..b3335e38da 100644
--- a/packages/backend/src/core/FeaturedService.ts
+++ b/packages/backend/src/core/FeaturedService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/FederatedInstanceService.ts b/packages/backend/src/core/FederatedInstanceService.ts
index e41f010e48..66db2067d9 100644
--- a/packages/backend/src/core/FederatedInstanceService.ts
+++ b/packages/backend/src/core/FederatedInstanceService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/FetchInstanceMetadataService.ts b/packages/backend/src/core/FetchInstanceMetadataService.ts
index 682acef15b..bc270bd28f 100644
--- a/packages/backend/src/core/FetchInstanceMetadataService.ts
+++ b/packages/backend/src/core/FetchInstanceMetadataService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/FileInfoService.ts b/packages/backend/src/core/FileInfoService.ts
index 803f6908de..2d3312f247 100644
--- a/packages/backend/src/core/FileInfoService.ts
+++ b/packages/backend/src/core/FileInfoService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -11,6 +11,7 @@ import * as fileType from 'file-type';
 import isSvg from 'is-svg';
 import probeImageSize from 'probe-image-size';
 import sharp from 'sharp';
+import { sharpBmp } from '@misskey-dev/sharp-read-bmp';
 import { encode } from 'blurhash';
 import { bindThis } from '@/decorators.js';
 
@@ -110,7 +111,7 @@ export class FileInfoService {
 			'image/avif',
 			'image/svg+xml',
 		].includes(type.mime)) {
-			blurhash = await this.getBlurhash(path).catch(e => {
+			blurhash = await this.getBlurhash(path, type.mime).catch(e => {
 				warnings.push(`getBlurhash failed: ${e}`);
 				return undefined;
 			});
@@ -237,9 +238,9 @@ export class FileInfoService {
 	 * Calculate average color of image
 	 */
 	@bindThis
-	private getBlurhash(path: string): Promise<string> {
-		return new Promise((resolve, reject) => {
-			sharp(path)
+	private getBlurhash(path: string, type: string): Promise<string> {
+		return new Promise(async (resolve, reject) => {
+			(await sharpBmp(path, type))
 				.raw()
 				.ensureAlpha()
 				.resize(64, 64, { fit: 'inside' })
diff --git a/packages/backend/src/core/GlobalEventService.ts b/packages/backend/src/core/GlobalEventService.ts
index 95a4eba742..22871adb16 100644
--- a/packages/backend/src/core/GlobalEventService.ts
+++ b/packages/backend/src/core/GlobalEventService.ts
@@ -1,10 +1,11 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 import { Inject, Injectable } from '@nestjs/common';
 import * as Redis from 'ioredis';
+import * as Reversi from 'misskey-reversi';
 import type { MiChannel } from '@/models/Channel.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiUserProfile } from '@/models/UserProfile.js';
@@ -18,7 +19,7 @@ import type { MiSignin } from '@/models/Signin.js';
 import type { MiPage } from '@/models/Page.js';
 import type { MiWebhook } from '@/models/Webhook.js';
 import type { MiMeta } from '@/models/Meta.js';
-import { MiAvatarDecoration, MiRole, MiRoleAssignment } from '@/models/_.js';
+import { MiAvatarDecoration, MiReversiGame, MiRole, MiRoleAssignment } from '@/models/_.js';
 import type { Packed } from '@/misc/json-schema.js';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
@@ -53,21 +54,22 @@ export interface MainEventTypes {
 	reply: Packed<'Note'>;
 	renote: Packed<'Note'>;
 	follow: Packed<'UserDetailedNotMe'>;
-	followed: Packed<'User'>;
-	unfollow: Packed<'User'>;
-	meUpdated: Packed<'User'>;
+	followed: Packed<'UserLite'>;
+	unfollow: Packed<'UserDetailedNotMe'>;
+	meUpdated: Packed<'MeDetailed'>;
 	pageEvent: {
 		pageId: MiPage['id'];
 		event: string;
 		var: any;
 		userId: MiUser['id'];
-		user: Packed<'User'>;
+		user: Packed<'UserDetailed'>;
 	};
 	urlUploadFinished: {
 		marker?: string | null;
 		file: Packed<'DriveFile'>;
 	};
 	readAllNotifications: undefined;
+	notificationFlushed: undefined;
 	unreadNotification: Packed<'Notification'>;
 	unreadMention: MiNote['id'];
 	readAllUnreadMentions: undefined;
@@ -91,10 +93,11 @@ export interface MainEventTypes {
 	};
 	driveFileCreated: Packed<'DriveFile'>;
 	readAntenna: MiAntenna;
-	receiveFollowRequest: Packed<'User'>;
+	receiveFollowRequest: Packed<'UserLite'>;
 	announcementCreated: {
 		announcement: Packed<'Announcement'>;
 	};
+	edited: Packed<'Note'>;
 }
 
 export interface DriveEventTypes {
@@ -142,8 +145,8 @@ type NoteStreamEventTypes = {
 };
 
 export interface UserListEventTypes {
-	userAdded: Packed<'User'>;
-	userRemoved: Packed<'User'>;
+	userAdded: Packed<'UserLite'>;
+	userRemoved: Packed<'UserLite'>;
 }
 
 export interface AntennaEventTypes {
@@ -162,6 +165,38 @@ export interface AdminEventTypes {
 		comment: string;
 	};
 }
+
+export interface ReversiEventTypes {
+	matched: {
+		game: Packed<'ReversiGameDetailed'>;
+	};
+	invited: {
+		user: Packed<'User'>;
+	};
+}
+
+export interface ReversiGameEventTypes {
+	changeReadyStates: {
+		user1: boolean;
+		user2: boolean;
+	};
+	updateSettings: {
+		userId: MiUser['id'];
+		key: string;
+		value: any;
+	};
+	log: Reversi.Serializer.Log & { id: string | null };
+	started: {
+		game: Packed<'ReversiGameDetailed'>;
+	};
+	ended: {
+		winnerId: MiUser['id'] | null;
+		game: Packed<'ReversiGameDetailed'>;
+	};
+	canceled: {
+		userId: MiUser['id'];
+	};
+}
 //#endregion
 
 // 辞書(interface or type)から{ type, body }ユニオンを定義
@@ -179,8 +214,10 @@ type SerializedAll<T> = {
 
 export interface InternalEventTypes {
 	userChangeSuspendedState: { id: MiUser['id']; isSuspended: MiUser['isSuspended']; };
+	userChangeDeletedState: { id: MiUser['id']; isDeleted: MiUser['isDeleted']; };
 	userTokenRegenerated: { id: MiUser['id']; oldToken: string; newToken: string; };
 	remoteUserUpdated: { id: MiUser['id']; };
+	localUserUpdated: { id: MiUser['id']; };
 	follow: { followerId: MiUser['id']; followeeId: MiUser['id']; };
 	unfollow: { followerId: MiUser['id']; followeeId: MiUser['id']; };
 	blockingCreated: { blockerId: MiUser['id']; blockeeId: MiUser['id']; };
@@ -252,6 +289,14 @@ export type GlobalEvents = {
 		name: 'notesStream';
 		payload: Serialized<Packed<'Note'>>;
 	};
+	reversi: {
+		name: `reversiStream:${MiUser['id']}`;
+		payload: EventUnionFromDictionary<SerializedAll<ReversiEventTypes>>;
+	};
+	reversiGame: {
+		name: `reversiGameStream:${MiReversiGame['id']}`;
+		payload: EventUnionFromDictionary<SerializedAll<ReversiGameEventTypes>>;
+	};
 };
 
 // API event definitions
@@ -341,4 +386,14 @@ export class GlobalEventService {
 	public publishAdminStream<K extends keyof AdminEventTypes>(userId: MiUser['id'], type: K, value?: AdminEventTypes[K]): void {
 		this.publish(`adminStream:${userId}`, type, typeof value === 'undefined' ? null : value);
 	}
+
+	@bindThis
+	public publishReversiStream<K extends keyof ReversiEventTypes>(userId: MiUser['id'], type: K, value?: ReversiEventTypes[K]): void {
+		this.publish(`reversiStream:${userId}`, type, typeof value === 'undefined' ? null : value);
+	}
+
+	@bindThis
+	public publishReversiGameStream<K extends keyof ReversiGameEventTypes>(gameId: MiReversiGame['id'], type: K, value?: ReversiGameEventTypes[K]): void {
+		this.publish(`reversiGameStream:${gameId}`, type, typeof value === 'undefined' ? null : value);
+	}
 }
diff --git a/packages/backend/src/core/HashtagService.ts b/packages/backend/src/core/HashtagService.ts
index 5a2417c9cd..eb192ee6da 100644
--- a/packages/backend/src/core/HashtagService.ts
+++ b/packages/backend/src/core/HashtagService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -163,7 +163,7 @@ export class HashtagService {
 		const instance = await this.metaService.fetch();
 		const hiddenTags = instance.hiddenTags.map(t => normalizeForSearch(t));
 		if (hiddenTags.includes(hashtag)) return;
-		if (this.utilityService.isSensitiveWordIncluded(hashtag, instance.sensitiveWords)) return;
+		if (this.utilityService.isKeyWordIncluded(hashtag, instance.sensitiveWords)) return;
 
 		// YYYYMMDDHHmm (10分間隔)
 		const now = new Date();
diff --git a/packages/backend/src/core/HttpRequestService.ts b/packages/backend/src/core/HttpRequestService.ts
index 1352e137ce..7f3cac7c58 100644
--- a/packages/backend/src/core/HttpRequestService.ts
+++ b/packages/backend/src/core/HttpRequestService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/IdService.ts b/packages/backend/src/core/IdService.ts
index 43e72d2d7b..10df6ef266 100644
--- a/packages/backend/src/core/IdService.ts
+++ b/packages/backend/src/core/IdService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/ImageProcessingService.ts b/packages/backend/src/core/ImageProcessingService.ts
index 8e800eb8f5..6f978b34c8 100644
--- a/packages/backend/src/core/ImageProcessingService.ts
+++ b/packages/backend/src/core/ImageProcessingService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/InstanceActorService.ts b/packages/backend/src/core/InstanceActorService.ts
index b40fd46291..22c47297a3 100644
--- a/packages/backend/src/core/InstanceActorService.ts
+++ b/packages/backend/src/core/InstanceActorService.ts
@@ -1,10 +1,10 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 import { Inject, Injectable } from '@nestjs/common';
-import { IsNull } from 'typeorm';
+import { IsNull, Not } from 'typeorm';
 import type { MiLocalUser } from '@/models/User.js';
 import type { UsersRepository } from '@/models/_.js';
 import { MemorySingleCache } from '@/misc/cache.js';
@@ -28,6 +28,14 @@ export class InstanceActorService {
 	}
 
 	@bindThis
+	public async realLocalUsersPresent(): Promise<boolean> {
+		return await this.usersRepository.existsBy({
+			host: IsNull(),
+			username: Not(ACTOR_USERNAME),
+		});
+	}
+
+	@bindThis
 	public async getInstanceActor(): Promise<MiLocalUser> {
 		const cached = this.cache.get();
 		if (cached) return cached;
diff --git a/packages/backend/src/core/InternalStorageService.ts b/packages/backend/src/core/InternalStorageService.ts
index 22129bb348..4fb8a93e49 100644
--- a/packages/backend/src/core/InternalStorageService.ts
+++ b/packages/backend/src/core/InternalStorageService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/LoggerService.ts b/packages/backend/src/core/LoggerService.ts
index 46b000ee63..96d9b09992 100644
--- a/packages/backend/src/core/LoggerService.ts
+++ b/packages/backend/src/core/LoggerService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/MetaService.ts b/packages/backend/src/core/MetaService.ts
index 80e8020961..ec630f804e 100644
--- a/packages/backend/src/core/MetaService.ts
+++ b/packages/backend/src/core/MetaService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -51,7 +51,10 @@ export class MetaService implements OnApplicationShutdown {
 			const { type, body } = obj.message as GlobalEvents['internal']['payload'];
 			switch (type) {
 				case 'metaUpdated': {
-					this.cache = body;
+					this.cache = { // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
+						...body,
+						proxyAccount: null, // joinなカラムは通常取ってこないので
+					};
 					break;
 				}
 				default:
diff --git a/packages/backend/src/core/MfmService.ts b/packages/backend/src/core/MfmService.ts
index 60bf8b3c2a..b7c9064cef 100644
--- a/packages/backend/src/core/MfmService.ts
+++ b/packages/backend/src/core/MfmService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -13,7 +13,7 @@ import { intersperse } from '@/misc/prelude/array.js';
 import type { IMentionedRemoteUsers } from '@/models/Note.js';
 import { bindThis } from '@/decorators.js';
 import * as TreeAdapter from '../../node_modules/parse5/dist/tree-adapters/default.js';
-import type * as mfm from '@sharkey/sfm-js';
+import type * as mfm from '@transfem-org/sfm-js';
 
 const treeAdapter = TreeAdapter.defaultTreeAdapter;
 
@@ -419,6 +419,10 @@ export class MfmService {
 			},
 
 			text: (node) => {
+				if (!node.props.text.match(/[\r\n]/)) {
+					return doc.createTextNode(node.props.text);
+				}
+
 				const el = doc.createElement('span');
 				const nodes = node.props.text.split(/\r\n|\r|\n/).map(x => doc.createTextNode(x));
 
@@ -475,7 +479,7 @@ export class MfmService {
 
 		const handlers: {
             [K in mfm.MfmNode['type']]: (node: mfm.NodeType<K>) => any;
-        } = {
+    } = {
 			async bold(node) {
 				const el = doc.createElement('span');
 				el.textContent = '**';
@@ -643,8 +647,8 @@ export class MfmService {
 				await appendChildren(node.children, el);
 				return el;
 			},
-        };
-		
+		};
+
 		await appendChildren(nodes, doc.body);
 
 		if (quoteUri !== null) {
diff --git a/packages/backend/src/core/ModerationLogService.ts b/packages/backend/src/core/ModerationLogService.ts
index 8b78d02047..6c155c9a62 100644
--- a/packages/backend/src/core/ModerationLogService.ts
+++ b/packages/backend/src/core/ModerationLogService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/NoteCreateService.ts b/packages/backend/src/core/NoteCreateService.ts
index 3bc4a29b99..b985846f1c 100644
--- a/packages/backend/src/core/NoteCreateService.ts
+++ b/packages/backend/src/core/NoteCreateService.ts
@@ -1,10 +1,10 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 import { setImmediate } from 'node:timers/promises';
-import * as mfm from '@sharkey/sfm-js';
+import * as mfm from '@transfem-org/sfm-js';
 import { In, DataSource, IsNull, LessThan } from 'typeorm';
 import * as Redis from 'ioredis';
 import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
@@ -57,7 +57,12 @@ import { FeaturedService } from '@/core/FeaturedService.js';
 import { FanoutTimelineService } from '@/core/FanoutTimelineService.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { UserBlockingService } from '@/core/UserBlockingService.js';
+import { CacheService } from '@/core/CacheService.js';
 import { isReply } from '@/misc/is-reply.js';
+import { trackPromise } from '@/misc/promise-tracker.js';
+import { isUserRelated } from '@/misc/is-user-related.js';
+import { isNotNull } from '@/misc/is-not-null.js';
+import { IdentifiableError } from '@/misc/identifiable-error.js';
 
 type NotificationType = 'reply' | 'renote' | 'quote' | 'mention';
 
@@ -216,6 +221,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 		private instanceChart: InstanceChart,
 		private utilityService: UtilityService,
 		private userBlockingService: UserBlockingService,
+		private cacheService: CacheService,
 	) { }
 
 	@bindThis
@@ -253,7 +259,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 
 		if (data.visibility === 'public' && data.channel == null) {
 			const sensitiveWords = meta.sensitiveWords;
-			if (this.utilityService.isSensitiveWordIncluded(data.cw ?? data.text ?? '', sensitiveWords)) {
+			if (this.utilityService.isKeyWordIncluded(data.cw ?? data.text ?? '', sensitiveWords)) {
 				data.visibility = 'home';
 			} else if ((await this.roleService.getUserPolicies(user.id)).canPublicNote === false) {
 				data.visibility = 'home';
@@ -324,6 +330,9 @@ export class NoteCreateService implements OnApplicationShutdown {
 				data.text = data.text.slice(0, DB_MAX_NOTE_TEXT_LENGTH);
 			}
 			data.text = data.text.trim();
+			if (data.text === '') {
+				data.text = null;
+			}
 		} else {
 			data.text = null;
 		}
@@ -377,6 +386,10 @@ export class NoteCreateService implements OnApplicationShutdown {
 			});
 		}
 
+		if (mentionedUsers.length > 0 && mentionedUsers.length > (await this.roleService.getUserPolicies(user.id)).mentionLimit) {
+			throw new IdentifiableError('9f466dab-c856-48cd-9e65-ff90ff750580', 'Note contains too many mentions');
+		}
+
 		const note = await this.insertNote(user, data, tags, emojis, mentionedUsers);
 
 		setImmediate('post created', { signal: this.#shutdownController.signal }).then(
@@ -422,13 +435,23 @@ export class NoteCreateService implements OnApplicationShutdown {
 
 		if (data.visibility === 'public' && data.channel == null) {
 			const sensitiveWords = meta.sensitiveWords;
-			if (this.utilityService.isSensitiveWordIncluded(data.cw ?? data.text ?? '', sensitiveWords)) {
+			if (this.utilityService.isKeyWordIncluded(data.cw ?? data.text ?? '', sensitiveWords)) {
 				data.visibility = 'home';
 			} else if ((await this.roleService.getUserPolicies(user.id)).canPublicNote === false) {
 				data.visibility = 'home';
 			}
 		}
 
+		const hasProhibitedWords = await this.checkProhibitedWordsContain({
+			cw: data.cw,
+			text: data.text,
+			pollChoices: data.poll?.choices,
+		}, meta.prohibitedWords);
+
+		if (hasProhibitedWords) {
+			throw new IdentifiableError('689ee33f-f97c-479a-ac49-1b9f8140af99', 'Note contains prohibited words');
+		}
+
 		const inSilencedInstance = this.utilityService.isSilencedHost(meta.silencedHosts, user.host);
 
 		if (data.visibility === 'public' && inSilencedInstance && user.host !== null) {
@@ -493,6 +516,9 @@ export class NoteCreateService implements OnApplicationShutdown {
 				data.text = data.text.slice(0, DB_MAX_NOTE_TEXT_LENGTH);
 			}
 			data.text = data.text.trim();
+			if (data.text === '') {
+				data.text = null;
+			}
 		} else {
 			data.text = null;
 		}
@@ -538,6 +564,10 @@ export class NoteCreateService implements OnApplicationShutdown {
 			}
 		}
 
+		if (mentionedUsers.length > 0 && mentionedUsers.length > (await this.roleService.getUserPolicies(user.id)).mentionLimit) {
+			throw new IdentifiableError('9f466dab-c856-48cd-9e65-ff90ff750580', 'Note contains too many mentions');
+		}
+
 		const note = await this.insertNote(user, data, tags, emojis, mentionedUsers);
 
 		setImmediate('post created', { signal: this.#shutdownController.signal }).then(
@@ -785,14 +815,22 @@ export class NoteCreateService implements OnApplicationShutdown {
 				});
 				// 通知
 				if (data.reply.userHost === null) {
-					const isThreadMuted = await this.noteThreadMutingsRepository.exist({
+					const isThreadMuted = await this.noteThreadMutingsRepository.exists({
 						where: {
 							userId: data.reply.userId,
 							threadId: data.reply.threadId ?? data.reply.id,
 						},
 					});
 
-					if (!isThreadMuted) {
+					const [
+						userIdsWhoMeMuting,
+					] = data.reply.userId ? await Promise.all([
+						this.cacheService.userMutingsCache.fetch(data.reply.userId),
+					]) : [new Set<string>()];
+
+					const muted = isUserRelated(note, userIdsWhoMeMuting);
+
+					if (!isThreadMuted && !muted) {
 						nm.push(data.reply.userId, 'reply');
 						this.globalEventService.publishMainStream(data.reply.userId, 'reply', noteObj);
 
@@ -812,7 +850,24 @@ export class NoteCreateService implements OnApplicationShutdown {
 
 				// Notify
 				if (data.renote.userHost === null) {
-					nm.push(data.renote.userId, type);
+					const isThreadMuted = await this.noteThreadMutingsRepository.exists({
+						where: {
+							userId: data.renote.userId,
+							threadId: data.renote.threadId ?? data.renote.id,
+						},
+					});
+
+					const [
+						userIdsWhoMeMuting,
+					] = data.renote.userId ? await Promise.all([
+						this.cacheService.userMutingsCache.fetch(data.renote.userId),
+					]) : [new Set<string>()];
+
+					const muted = isUserRelated(note, userIdsWhoMeMuting);
+
+					if (!isThreadMuted && !muted) {
+						nm.push(data.renote.userId, type);
+					}
 				}
 
 				// Publish event
@@ -862,7 +917,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 						this.relayService.deliverToRelays(user, noteActivity);
 					}
 
-					dm.execute();
+					trackPromise(dm.execute());
 				})();
 			}
 			//#endregion
@@ -1022,14 +1077,22 @@ export class NoteCreateService implements OnApplicationShutdown {
 	@bindThis
 	private async createMentionedEvents(mentionedUsers: MinimumUser[], note: MiNote, nm: NotificationManager) {
 		for (const u of mentionedUsers.filter(u => this.userEntityService.isLocalUser(u))) {
-			const isThreadMuted = await this.noteThreadMutingsRepository.exist({
+			const isThreadMuted = await this.noteThreadMutingsRepository.exists({
 				where: {
 					userId: u.id,
 					threadId: note.threadId ?? note.id,
 				},
 			});
 
-			if (isThreadMuted) {
+			const [
+				userIdsWhoMeMuting,
+			] = u.id ? await Promise.all([
+				this.cacheService.userMutingsCache.fetch(u.id),
+			]) : [new Set<string>()];
+
+			const muted = isUserRelated(note, userIdsWhoMeMuting);
+
+			if (isThreadMuted || muted) {
 				continue;
 			}
 
@@ -1092,7 +1155,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 		const mentions = extractMentions(tokens);
 		let mentionedUsers = (await Promise.all(mentions.map(m =>
 			this.remoteUserResolveService.resolveUser(m.username, m.host ?? user.host).catch(() => null),
-		))).filter(x => x != null) as MiUser[];
+		))).filter(isNotNull);
 
 		// Drop duplicate users
 		mentionedUsers = mentionedUsers.filter((u, i, self) =>
@@ -1266,6 +1329,23 @@ export class NoteCreateService implements OnApplicationShutdown {
 		}
 	}
 
+	public async checkProhibitedWordsContain(content: Parameters<UtilityService['concatNoteContentsForKeyWordCheck']>[0], prohibitedWords?: string[]) {
+		if (prohibitedWords == null) {
+			prohibitedWords = (await this.metaService.fetch()).prohibitedWords;
+		}
+
+		if (
+			this.utilityService.isKeyWordIncluded(
+				this.utilityService.concatNoteContentsForKeyWordCheck(content),
+				prohibitedWords,
+			)
+		) {
+			return true;
+		}
+
+		return false;
+	}
+
 	@bindThis
 	public dispose(): void {
 		this.#shutdownController.abort();
diff --git a/packages/backend/src/core/NoteDeleteService.ts b/packages/backend/src/core/NoteDeleteService.ts
index 99d9d9db7e..471ade92c7 100644
--- a/packages/backend/src/core/NoteDeleteService.ts
+++ b/packages/backend/src/core/NoteDeleteService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/NoteEditService.ts b/packages/backend/src/core/NoteEditService.ts
index dae3f485ff..72fc01ae3b 100644
--- a/packages/backend/src/core/NoteEditService.ts
+++ b/packages/backend/src/core/NoteEditService.ts
@@ -4,7 +4,7 @@
  */
 
 import { setImmediate } from 'node:timers/promises';
-import * as mfm from '@sharkey/sfm-js';
+import * as mfm from '@transfem-org/sfm-js';
 import { DataSource, In, IsNull, LessThan } from 'typeorm';
 import * as Redis from 'ioredis';
 import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
@@ -46,8 +46,15 @@ import { MetaService } from '@/core/MetaService.js';
 import { SearchService } from '@/core/SearchService.js';
 import { FanoutTimelineService } from '@/core/FanoutTimelineService.js';
 import { UtilityService } from '@/core/UtilityService.js';
+import { UserBlockingService } from '@/core/UserBlockingService.js';
+import { CacheService } from '@/core/CacheService.js';
+import { isReply } from '@/misc/is-reply.js';
+import { trackPromise } from '@/misc/promise-tracker.js';
+import { isUserRelated } from '@/misc/is-user-related.js';
+import { isNotNull } from '@/misc/is-not-null.js';
+import { IdentifiableError } from '@/misc/identifiable-error.js';
 
-type NotificationType = 'reply' | 'renote' | 'quote' | 'mention';
+type NotificationType = 'reply' | 'renote' | 'quote' | 'mention' | 'edited';
 
 class NotificationManager {
 	private notifier: { id: MiUser['id']; };
@@ -206,6 +213,8 @@ export class NoteEditService implements OnApplicationShutdown {
 		private activeUsersChart: ActiveUsersChart,
 		private instanceChart: InstanceChart,
 		private utilityService: UtilityService,
+		private userBlockingService: UserBlockingService,
+		private cacheService: CacheService,
 	) { }
 
 	@bindThis
@@ -222,7 +231,7 @@ export class NoteEditService implements OnApplicationShutdown {
 
 		const oldnote = await this.notesRepository.findOneBy({
 			id: editid,
-		});	
+		});
 
 		if (oldnote == null) {
 			throw new Error('no such note');
@@ -232,6 +241,13 @@ export class NoteEditService implements OnApplicationShutdown {
 			throw new Error('not the author');
 		}
 
+		// we never want to change the replyId, so fetch the original "parent"
+		if (oldnote.replyId) {
+			data.reply = await this.notesRepository.findOneBy({ id: oldnote.replyId });
+		} else {
+			data.reply = undefined;
+		}
+
 		// チャンネル外にリプライしたら対象のスコープに合わせる
 		// (クライアントサイドでやっても良い処理だと思うけどとりあえずサーバーサイドで)
 		if (data.reply && data.channel && data.reply.channelId !== data.channel.id) {
@@ -255,16 +271,28 @@ export class NoteEditService implements OnApplicationShutdown {
 		if (data.channel != null) data.localOnly = true;
 		if (data.updatedAt == null) data.updatedAt = new Date();
 
+		const meta = await this.metaService.fetch();
+
 		if (data.visibility === 'public' && data.channel == null) {
-			const sensitiveWords = (await this.metaService.fetch()).sensitiveWords;
-			if (this.isSensitive(data, sensitiveWords)) {
+			const sensitiveWords = meta.sensitiveWords;
+			if (this.utilityService.isKeyWordIncluded(data.cw ?? data.text ?? '', sensitiveWords)) {
 				data.visibility = 'home';
 			} else if ((await this.roleService.getUserPolicies(user.id)).canPublicNote === false) {
 				data.visibility = 'home';
 			}
 		}
 
-		const inSilencedInstance = this.utilityService.isSilencedHost((await this.metaService.fetch()).silencedHosts, user.host);
+		const hasProhibitedWords = await this.checkProhibitedWordsContain({
+			cw: data.cw,
+			text: data.text,
+			pollChoices: data.poll?.choices,
+		}, meta.prohibitedWords);
+
+		if (hasProhibitedWords) {
+			throw new IdentifiableError('689ee33f-f97c-479a-ac49-1b9f8140af99', 'Note contains prohibited words');
+		}
+
+		const inSilencedInstance = this.utilityService.isSilencedHost((meta).silencedHosts, user.host);
 
 		if (data.visibility === 'public' && inSilencedInstance && user.host !== null) {
 			data.visibility = 'home';
@@ -296,6 +324,18 @@ export class NoteEditService implements OnApplicationShutdown {
 			}
 		}
 
+		// Check blocking
+		if (data.renote && !this.isQuote(data)) {
+			if (data.renote.userHost === null) {
+				if (data.renote.userId !== user.id) {
+					const blocked = await this.userBlockingService.checkBlocked(data.renote.userId, user.id);
+					if (blocked) {
+						throw new Error('blocked');
+					}
+				}
+			}
+		}
+
 		// 返信対象がpublicではないならhomeにする
 		if (data.reply && data.reply.visibility !== 'public' && data.visibility === 'public') {
 			data.visibility = 'home';
@@ -316,6 +356,9 @@ export class NoteEditService implements OnApplicationShutdown {
 				data.text = data.text.slice(0, DB_MAX_NOTE_TEXT_LENGTH);
 			}
 			data.text = data.text.trim();
+			if (data.text === '') {
+				data.text = null;
+			}
 		} else {
 			data.text = null;
 		}
@@ -361,6 +404,18 @@ export class NoteEditService implements OnApplicationShutdown {
 			}
 		}
 
+		if (user.host && !data.cw) {
+			await this.federatedInstanceService.fetch(user.host).then(async i => {
+				if (i.isNSFW) {
+					data.cw = 'Instance is marked as NSFW';
+				}
+			});
+		}
+
+		if (mentionedUsers.length > 0 && mentionedUsers.length > (await this.roleService.getUserPolicies(user.id)).mentionLimit) {
+			throw new IdentifiableError('9f466dab-c856-48cd-9e65-ff90ff750580', 'Note contains too many mentions');
+		}
+
 		const update: Partial<MiNote> = {};
 		if (data.text !== oldnote.text) {
 			update.text = data.text;
@@ -397,7 +452,7 @@ export class NoteEditService implements OnApplicationShutdown {
 				id: oldnote.id,
 				updatedAt: data.updatedAt ? data.updatedAt : new Date(),
 				fileIds: data.files ? data.files.map(file => file.id) : [],
-				replyId: data.reply ? data.reply.id : null,
+				replyId: oldnote.replyId,
 				renoteId: data.renote ? data.renote.id : null,
 				channelId: data.channel ? data.channel.id : null,
 				threadId: data.reply
@@ -548,7 +603,7 @@ export class NoteEditService implements OnApplicationShutdown {
 			}
 
 			// Pack the note
-			const noteObj = await this.noteEntityService.pack(note, null, { skipHide: true });
+			const noteObj = await this.noteEntityService.pack(note, null, { skipHide: true, withReactionAndUserPairCache: true });
 			if (data.poll != null) {
 				this.globalEventService.publishNoteStream(note.id, 'updated', {
 					cw: note.cw,
@@ -557,7 +612,7 @@ export class NoteEditService implements OnApplicationShutdown {
 			} else {
 				this.globalEventService.publishNoteStream(note.id, 'updated', {
 					cw: note.cw,
-					text: note.text!
+					text: note.text!,
 				});
 			}
 
@@ -574,26 +629,34 @@ export class NoteEditService implements OnApplicationShutdown {
 
 			const nm = new NotificationManager(this.mutingsRepository, this.notificationService, user, note);
 
-			await this.createMentionedEvents(mentionedUsers, note, nm);
+			//await this.createMentionedEvents(mentionedUsers, note, nm);
 
 			// If has in reply to note
 			if (data.reply) {
 				// 通知
 				if (data.reply.userHost === null) {
-					const isThreadMuted = await this.noteThreadMutingsRepository.exist({
+					const isThreadMuted = await this.noteThreadMutingsRepository.exists({
 						where: {
 							userId: data.reply.userId,
 							threadId: data.reply.threadId ?? data.reply.id,
 						},
 					});
 
-					if (!isThreadMuted) {
-						nm.push(data.reply.userId, 'reply');
-						this.globalEventService.publishMainStream(data.reply.userId, 'reply', noteObj);
+					const [
+						userIdsWhoMeMuting,
+					] = data.reply.userId ? await Promise.all([
+						this.cacheService.userMutingsCache.fetch(data.reply.userId),
+					]) : [new Set<string>()];
+
+					const muted = isUserRelated(note, userIdsWhoMeMuting);
+
+					if (!isThreadMuted && !muted) {
+						nm.push(data.reply.userId, 'edited');
+						this.globalEventService.publishMainStream(data.reply.userId, 'edited', noteObj);
 
-						const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === data.reply!.userId && x.on.includes('reply'));
+						const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === data.reply!.userId && x.on.includes('edited'));
 						for (const webhook of webhooks) {
-							this.queueService.webhookDeliver(webhook, 'reply', {
+							this.queueService.webhookDeliver(webhook, 'edited', {
 								note: noteObj,
 							});
 						}
@@ -601,28 +664,6 @@ export class NoteEditService implements OnApplicationShutdown {
 				}
 			}
 
-			// If it is renote
-			if (data.renote) {
-				const type = data.text ? 'quote' : 'renote';
-
-				// Notify
-				if (data.renote.userHost === null) {
-					nm.push(data.renote.userId, type);
-				}
-
-				// Publish event
-				if ((user.id !== data.renote.userId) && data.renote.userHost === null) {
-					this.globalEventService.publishMainStream(data.renote.userId, 'renote', noteObj);
-
-					const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === data.renote!.userId && x.on.includes('renote'));
-					for (const webhook of webhooks) {
-						this.queueService.webhookDeliver(webhook, 'renote', {
-							note: noteObj,
-						});
-					}
-				}
-			}
-
 			nm.notify();
 
 			//#region AP deliver
@@ -657,7 +698,7 @@ export class NoteEditService implements OnApplicationShutdown {
 						this.relayService.deliverToRelays(user, noteActivity);
 					}
 
-					dm.execute();
+					trackPromise(dm.execute());
 				})();
 			}
 			//#endregion
@@ -686,41 +727,30 @@ export class NoteEditService implements OnApplicationShutdown {
 	}
 
 	@bindThis
-	private isSensitive(note: Option, sensitiveWord: string[]): boolean {
-		if (sensitiveWord.length > 0) {
-			const text = note.cw ?? note.text ?? '';
-			if (text === '') return false;
-			const matched = sensitiveWord.some(filter => {
-				// represents RegExp
-				const regexp = filter.match(/^\/(.+)\/(.*)$/);
-				// This should never happen due to input sanitisation.
-				if (!regexp) {
-					const words = filter.split(' ');
-					return words.every(keyword => text.includes(keyword));
-				}
-				try {
-					return new RE2(regexp[1], regexp[2]).test(text);
-				} catch (err) {
-					// This should never happen due to input sanitisation.
-					return false;
-				}
-			});
-			if (matched) return true;
-		}
-		return false;
+	private isQuote(note: Option): note is Option & { renote: MiNote } {
+		// sync with misc/is-quote.ts
+		return !!note.renote && (!!note.text || !!note.cw || (!!note.files && !!note.files.length) || !!note.poll);
 	}
 
 	@bindThis
 	private async createMentionedEvents(mentionedUsers: MinimumUser[], note: MiNote, nm: NotificationManager) {
 		for (const u of mentionedUsers.filter(u => this.userEntityService.isLocalUser(u))) {
-			const isThreadMuted = await this.noteThreadMutingsRepository.exist({
+			const isThreadMuted = await this.noteThreadMutingsRepository.exists({
 				where: {
 					userId: u.id,
 					threadId: note.threadId ?? note.id,
 				},
 			});
 
-			if (isThreadMuted) {
+			const [
+				userIdsWhoMeMuting,
+			] = u.id ? await Promise.all([
+				this.cacheService.userMutingsCache.fetch(u.id),
+			]) : [new Set<string>()];
+
+			const muted = isUserRelated(note, userIdsWhoMeMuting);
+
+			if (isThreadMuted || muted) {
 				continue;
 			}
 
@@ -728,17 +758,17 @@ export class NoteEditService implements OnApplicationShutdown {
 				detail: true,
 			});
 
-			this.globalEventService.publishMainStream(u.id, 'mention', detailPackedNote);
+			this.globalEventService.publishMainStream(u.id, 'edited', detailPackedNote);
 
-			const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === u.id && x.on.includes('mention'));
+			const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === u.id && x.on.includes('edited'));
 			for (const webhook of webhooks) {
-				this.queueService.webhookDeliver(webhook, 'mention', {
+				this.queueService.webhookDeliver(webhook, 'edited', {
 					note: detailPackedNote,
 				});
 			}
 
 			// Create notification
-			nm.push(u.id, 'mention');
+			nm.push(u.id, 'edited');
 		}
 	}
 
@@ -748,7 +778,7 @@ export class NoteEditService implements OnApplicationShutdown {
 		const user = await this.usersRepository.findOneBy({ id: note.userId });
 		if (user == null) throw new Error('user not found');
 
-		const content = data.renote && data.text == null && data.poll == null && (data.files == null || data.files.length === 0)
+		const content = data.renote && !this.isQuote(data)
 			? this.apRendererService.renderAnnounce(data.renote.uri ? data.renote.uri : `${this.config.url}/notes/${data.renote.id}`, note)
 			: this.apRendererService.renderUpdate(await this.apRendererService.renderUpNote(note, false), user);
 
@@ -769,7 +799,7 @@ export class NoteEditService implements OnApplicationShutdown {
 		const mentions = extractMentions(tokens);
 		let mentionedUsers = (await Promise.all(mentions.map(m =>
 			this.remoteUserResolveService.resolveUser(m.username, m.host ?? user.host).catch(() => null),
-		))).filter(x => x != null) as MiUser[];
+		))).filter(isNotNull) as MiUser[];
 
 		// Drop duplicate users
 		mentionedUsers = mentionedUsers.filter((u, i, self) =>
@@ -782,6 +812,7 @@ export class NoteEditService implements OnApplicationShutdown {
 	@bindThis
 	private async pushToTl(note: MiNote, user: { id: MiUser['id']; host: MiUser['host']; }) {
 		const meta = await this.metaService.fetch();
+		if (!meta.enableFanoutTimeline) return;
 
 		const r = this.redisForTimelines.pipeline();
 
@@ -825,7 +856,7 @@ export class NoteEditService implements OnApplicationShutdown {
 
 			if (note.visibility === 'followers') {
 				// TODO: 重そうだから何とかしたい Set 使う？
-				userListMemberships = userListMemberships.filter(x => followings.some(f => f.followerId === x.userListUserId));
+				userListMemberships = userListMemberships.filter(x => x.userListUserId === user.id || followings.some(f => f.followerId === x.userListUserId));
 			}
 
 			// TODO: あまりにも数が多いと redisPipeline.exec に失敗する(理由は不明)ため、3万件程度を目安に分割して実行するようにする
@@ -834,7 +865,7 @@ export class NoteEditService implements OnApplicationShutdown {
 				if (note.visibility === 'specified' && !note.visibleUserIds.some(v => v === following.followerId)) continue;
 
 				// 「自分自身への返信 or そのフォロワーへの返信」のどちらでもない場合
-				if (note.replyId && !(note.replyUserId === note.userId || note.replyUserId === following.followerId)) {
+				if (isReply(note, following.followerId)) {
 					if (!following.withReplies) continue;
 				}
 
@@ -848,11 +879,12 @@ export class NoteEditService implements OnApplicationShutdown {
 				// ダイレクトのとき、そのリストが対象外のユーザーの場合
 				if (
 					note.visibility === 'specified' &&
+					note.userId !== userListMembership.userListUserId &&
 					!note.visibleUserIds.some(v => v === userListMembership.userListUserId)
 				) continue;
 
 				// 「自分自身への返信 or そのリストの作成者への返信」のどちらでもない場合
-				if (note.replyId && !(note.replyUserId === note.userId || note.replyUserId === userListMembership.userListUserId)) {
+				if (isReply(note, userListMembership.userListUserId)) {
 					if (!userListMembership.withReplies) continue;
 				}
 
@@ -870,11 +902,14 @@ export class NoteEditService implements OnApplicationShutdown {
 			}
 
 			// 自分自身以外への返信
-			if (note.replyId && note.replyUserId !== note.userId) {
+			if (isReply(note)) {
 				this.fanoutTimelineService.push(`userTimelineWithReplies:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax : meta.perRemoteUserUserTimelineCacheMax, r);
 
 				if (note.visibility === 'public' && note.userHost == null) {
 					this.fanoutTimelineService.push('localTimelineWithReplies', note.id, 300, r);
+					if (note.replyUserHost == null) {
+						this.fanoutTimelineService.push(`localTimelineWithReplyTo:${note.replyUserId}`, note.id, 300 / 10, r);
+					}
 				}
 			} else {
 				this.fanoutTimelineService.push(`userTimeline:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax : meta.perRemoteUserUserTimelineCacheMax, r);
@@ -938,6 +973,23 @@ export class NoteEditService implements OnApplicationShutdown {
 		}
 	}
 
+	public async checkProhibitedWordsContain(content: Parameters<UtilityService['concatNoteContentsForKeyWordCheck']>[0], prohibitedWords?: string[]) {
+		if (prohibitedWords == null) {
+			prohibitedWords = (await this.metaService.fetch()).prohibitedWords;
+		}
+
+		if (
+			this.utilityService.isKeyWordIncluded(
+				this.utilityService.concatNoteContentsForKeyWordCheck(content),
+				prohibitedWords,
+			)
+		) {
+			return true;
+		}
+
+		return false;
+	}
+
 	@bindThis
 	public dispose(): void {
 		this.#shutdownController.abort();
diff --git a/packages/backend/src/core/NotePiningService.ts b/packages/backend/src/core/NotePiningService.ts
index 74e53c5c46..d38b48b65d 100644
--- a/packages/backend/src/core/NotePiningService.ts
+++ b/packages/backend/src/core/NotePiningService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/NoteReadService.ts b/packages/backend/src/core/NoteReadService.ts
index 03c1735e04..320b23cc1a 100644
--- a/packages/backend/src/core/NoteReadService.ts
+++ b/packages/backend/src/core/NoteReadService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -14,6 +14,7 @@ import { IdService } from '@/core/IdService.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
 import type { NoteUnreadsRepository, MutingsRepository, NoteThreadMutingsRepository } from '@/models/_.js';
 import { bindThis } from '@/decorators.js';
+import { trackPromise } from '@/misc/promise-tracker.js';
 
 @Injectable()
 export class NoteReadService implements OnApplicationShutdown {
@@ -48,7 +49,7 @@ export class NoteReadService implements OnApplicationShutdown {
 		//#endregion
 
 		// スレッドミュート
-		const isThreadMuted = await this.noteThreadMutingsRepository.exist({
+		const isThreadMuted = await this.noteThreadMutingsRepository.exists({
 			where: {
 				userId: userId,
 				threadId: note.threadId ?? note.id,
@@ -65,11 +66,15 @@ export class NoteReadService implements OnApplicationShutdown {
 			noteUserId: note.userId,
 		};
 
-		await this.noteUnreadsRepository.insert(unread);
+		/* we may be called from NoteEditService, for a note that's
+			already present in the `note_unread` table: `upsert` makes sure
+			we don't throw a "duplicate key" error, while still updating
+			the other columns if they've changed */
+		await this.noteUnreadsRepository.upsert(unread, ['userId', 'noteId']);
 
 		// 2秒経っても既読にならなかったら「未読の投稿がありますよ」イベントを発行する
 		setTimeout(2000, 'unread note', { signal: this.#shutdownController.signal }).then(async () => {
-			const exist = await this.noteUnreadsRepository.exist({ where: { id: unread.id } });
+			const exist = await this.noteUnreadsRepository.exists({ where: { id: unread.id } });
 
 			if (!exist) return;
 
@@ -87,46 +92,47 @@ export class NoteReadService implements OnApplicationShutdown {
 		userId: MiUser['id'],
 		notes: (MiNote | Packed<'Note'>)[],
 	): Promise<void> {
-		const readMentions: (MiNote | Packed<'Note'>)[] = [];
-		const readSpecifiedNotes: (MiNote | Packed<'Note'>)[] = [];
+		if (notes.length === 0) return;
+
+		const noteIds = new Set<MiNote['id']>();
 
 		for (const note of notes) {
 			if (note.mentions && note.mentions.includes(userId)) {
-				readMentions.push(note);
+				noteIds.add(note.id);
 			} else if (note.visibleUserIds && note.visibleUserIds.includes(userId)) {
-				readSpecifiedNotes.push(note);
+				noteIds.add(note.id);
 			}
 		}
 
-		if ((readMentions.length > 0) || (readSpecifiedNotes.length > 0)) {
-			// Remove the record
-			await this.noteUnreadsRepository.delete({
-				userId: userId,
-				noteId: In([...readMentions.map(n => n.id), ...readSpecifiedNotes.map(n => n.id)]),
-			});
+		if (noteIds.size === 0) return;
 
-			// TODO: ↓まとめてクエリしたい
+		// Remove the record
+		await this.noteUnreadsRepository.delete({
+			userId: userId,
+			noteId: In(Array.from(noteIds)),
+		});
 
-			this.noteUnreadsRepository.countBy({
-				userId: userId,
-				isMentioned: true,
-			}).then(mentionsCount => {
-				if (mentionsCount === 0) {
-					// 全て既読になったイベントを発行
-					this.globalEventService.publishMainStream(userId, 'readAllUnreadMentions');
-				}
-			});
+		// TODO: ↓まとめてクエリしたい
 
-			this.noteUnreadsRepository.countBy({
-				userId: userId,
-				isSpecified: true,
-			}).then(specifiedCount => {
-				if (specifiedCount === 0) {
-					// 全て既読になったイベントを発行
-					this.globalEventService.publishMainStream(userId, 'readAllUnreadSpecifiedNotes');
-				}
-			});
-		}
+		trackPromise(this.noteUnreadsRepository.countBy({
+			userId: userId,
+			isMentioned: true,
+		}).then(mentionsCount => {
+			if (mentionsCount === 0) {
+				// 全て既読になったイベントを発行
+				this.globalEventService.publishMainStream(userId, 'readAllUnreadMentions');
+			}
+		}));
+
+		trackPromise(this.noteUnreadsRepository.countBy({
+			userId: userId,
+			isSpecified: true,
+		}).then(specifiedCount => {
+			if (specifiedCount === 0) {
+				// 全て既読になったイベントを発行
+				this.globalEventService.publishMainStream(userId, 'readAllUnreadSpecifiedNotes');
+			}
+		}));
 	}
 
 	@bindThis
diff --git a/packages/backend/src/core/NotificationService.ts b/packages/backend/src/core/NotificationService.ts
index ad7be83e5b..68ad92f396 100644
--- a/packages/backend/src/core/NotificationService.ts
+++ b/packages/backend/src/core/NotificationService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -20,6 +20,7 @@ import { CacheService } from '@/core/CacheService.js';
 import type { Config } from '@/config.js';
 import { UserListService } from '@/core/UserListService.js';
 import type { FilterUnionByProperty } from '@/types.js';
+import { trackPromise } from '@/misc/promise-tracker.js';
 
 @Injectable()
 export class NotificationService implements OnApplicationShutdown {
@@ -74,7 +75,18 @@ export class NotificationService implements OnApplicationShutdown {
 	}
 
 	@bindThis
-	public async createNotification<T extends MiNotification['type']>(
+	public createNotification<T extends MiNotification['type']>(
+		notifieeId: MiUser['id'],
+		type: T,
+		data: Omit<FilterUnionByProperty<MiNotification, 'type', T>, 'type' | 'id' | 'createdAt' | 'notifierId'>,
+		notifierId?: MiUser['id'] | null,
+	) {
+		trackPromise(
+			this.#createNotificationInternal(notifieeId, type, data, notifierId),
+		);
+	}
+
+	async #createNotificationInternal<T extends MiNotification['type']>(
 		notifieeId: MiUser['id'],
 		type: T,
 		data: Omit<FilterUnionByProperty<MiNotification, 'type', T>, 'type' | 'id' | 'createdAt' | 'notifierId'>,
@@ -114,6 +126,14 @@ export class NotificationService implements OnApplicationShutdown {
 					this.cacheService.userFollowingsCache.fetch(notifieeId).then(followings => Object.hasOwn(followings, notifierId)),
 					this.cacheService.userFollowingsCache.fetch(notifierId).then(followings => Object.hasOwn(followings, notifieeId)),
 				]);
+				if (!(isFollowing && isFollower)) {
+					return null;
+				}
+			} else if (recieveConfig?.type === 'followingOrFollower') {
+				const [isFollowing, isFollower] = await Promise.all([
+					this.cacheService.userFollowingsCache.fetch(notifieeId).then(followings => Object.hasOwn(followings, notifierId)),
+					this.cacheService.userFollowingsCache.fetch(notifierId).then(followings => Object.hasOwn(followings, notifieeId)),
+				]);
 				if (!isFollowing && !isFollower) {
 					return null;
 				}
@@ -143,6 +163,8 @@ export class NotificationService implements OnApplicationShutdown {
 
 		const packed = await this.notificationEntityService.pack(notification, notifieeId, {});
 
+		if (packed == null) return null;
+
 		// Publish notification event
 		this.globalEventService.publishMainStream(notifieeId, 'notification', packed);
 
@@ -193,6 +215,15 @@ export class NotificationService implements OnApplicationShutdown {
 	}
 
 	@bindThis
+	public async flushAllNotifications(userId: MiUser['id']) {
+		await Promise.all([
+			this.redisClient.del(`notificationTimeline:${userId}`),
+			this.redisClient.del(`latestReadNotification:${userId}`),
+		]);
+		this.globalEventService.publishMainStream(userId, 'notificationFlushed');
+	}
+
+	@bindThis
 	public dispose(): void {
 		this.#shutdownController.abort();
 	}
diff --git a/packages/backend/src/core/PollService.ts b/packages/backend/src/core/PollService.ts
index 9e1b5ca78a..6c96ab16cf 100644
--- a/packages/backend/src/core/PollService.ts
+++ b/packages/backend/src/core/PollService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/ProxyAccountService.ts b/packages/backend/src/core/ProxyAccountService.ts
index b1bc60701b..71d663bf90 100644
--- a/packages/backend/src/core/ProxyAccountService.ts
+++ b/packages/backend/src/core/ProxyAccountService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/PushNotificationService.ts b/packages/backend/src/core/PushNotificationService.ts
index 40d1deceeb..3b706d9854 100644
--- a/packages/backend/src/core/PushNotificationService.ts
+++ b/packages/backend/src/core/PushNotificationService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -115,6 +115,8 @@ export class PushNotificationService implements OnApplicationShutdown {
 						endpoint: subscription.endpoint,
 						auth: subscription.auth,
 						publickey: subscription.publickey,
+					}).then(() => {
+						this.refreshCache(userId);
 					});
 				}
 			});
@@ -122,6 +124,11 @@ export class PushNotificationService implements OnApplicationShutdown {
 	}
 
 	@bindThis
+	public refreshCache(userId: string): void {
+		this.subscriptionsCache.refresh(userId);
+	}
+
+	@bindThis
 	public dispose(): void {
 		this.subscriptionsCache.dispose();
 	}
diff --git a/packages/backend/src/core/QueryService.ts b/packages/backend/src/core/QueryService.ts
index f006ed4944..c4feeaf971 100644
--- a/packages/backend/src/core/QueryService.ts
+++ b/packages/backend/src/core/QueryService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -212,8 +212,8 @@ export class QueryService {
 				// または 自分自身
 					.orWhere('note.userId = :meId')
 				// または 自分宛て
-					.orWhere(':meId = ANY(note.visibleUserIds)')
-					.orWhere(':meId = ANY(note.mentions)')
+					.orWhere(':meIdAsList <@ note.visibleUserIds')
+					.orWhere(':meIdAsList <@ note.mentions')
 					.orWhere(new Brackets(qb => {
 						qb
 						// または フォロワー宛ての投稿であり、
@@ -228,7 +228,7 @@ export class QueryService {
 					}));
 			}));
 
-			q.setParameters({ meId: me.id });
+			q.setParameters({ meId: me.id, meIdAsList: [me.id] });
 		}
 	}
 
diff --git a/packages/backend/src/core/QueueModule.ts b/packages/backend/src/core/QueueModule.ts
index 4444dc9787..216734e9e5 100644
--- a/packages/backend/src/core/QueueModule.ts
+++ b/packages/backend/src/core/QueueModule.ts
@@ -1,14 +1,14 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { setTimeout } from 'node:timers/promises';
 import { Inject, Module, OnApplicationShutdown } from '@nestjs/common';
 import * as Bull from 'bullmq';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
 import { QUEUE, baseQueueOptions } from '@/queue/const.js';
+import { allSettled } from '@/misc/promise-tracker.js';
 import type { Provider } from '@nestjs/common';
 import type { DeliverJobData, InboxJobData, EndedPollNotificationJobData, WebhookDeliverJobData, RelationshipJobData } from '../queue/types.js';
 
@@ -106,14 +106,9 @@ export class QueueModule implements OnApplicationShutdown {
 	) {}
 
 	public async dispose(): Promise<void> {
-		if (process.env.NODE_ENV === 'test') {
-			// XXX:
-			// Shutting down the existing connections causes errors on Jest as
-			// Misskey has asynchronous postgres/redis connections that are not
-			// awaited.
-			// Let's wait for some random time for them to finish.
-			await setTimeout(5000);
-		}
+		// Wait for all potential queue jobs
+		await allSettled();
+		// And then close all queues
 		await Promise.all([
 			this.systemQueue.close(),
 			this.endedPollNotificationQueue.close(),
diff --git a/packages/backend/src/core/QueueService.ts b/packages/backend/src/core/QueueService.ts
index 2ee61eb549..103813acf2 100644
--- a/packages/backend/src/core/QueueService.ts
+++ b/packages/backend/src/core/QueueService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -17,6 +17,7 @@ import type { DbJobData, DeliverJobData, RelationshipJobData, ThinUser } from '.
 import type httpSignature from '@peertube/http-signature';
 import type * as Bull from 'bullmq';
 import { MiNote } from '@/models/Note.js';
+import { ApRequestCreator } from '@/core/activitypub/ApRequestService.js';
 
 @Injectable()
 export class QueueService {
@@ -75,11 +76,15 @@ export class QueueService {
 		if (content == null) return null;
 		if (to == null) return null;
 
+		const contentBody = JSON.stringify(content);
+		const digest = ApRequestCreator.createDigest(contentBody);
+
 		const data: DeliverJobData = {
 			user: {
 				id: user.id,
 			},
-			content,
+			content: contentBody,
+			digest,
 			to,
 			isSharedInbox,
 		};
@@ -104,6 +109,8 @@ export class QueueService {
 	@bindThis
 	public async deliverMany(user: ThinUser, content: IActivity | null, inboxes: Map<string, boolean>) {
 		if (content == null) return null;
+		const contentBody = JSON.stringify(content);
+		const digest = ApRequestCreator.createDigest(contentBody);
 
 		const opts = {
 			attempts: this.config.deliverJobMaxAttempts ?? 12,
@@ -118,7 +125,8 @@ export class QueueService {
 			name: d[0],
 			data: {
 				user,
-				content,
+				content: contentBody,
+				digest,
 				to: d[0],
 				isSharedInbox: d[1],
 			} as DeliverJobData,
@@ -186,6 +194,16 @@ export class QueueService {
 	}
 
 	@bindThis
+	public createExportClipsJob(user: ThinUser) {
+		return this.dbQueue.add('exportClips', {
+			user: { id: user.id },
+		}, {
+			removeOnComplete: true,
+			removeOnFail: true,
+		});
+	}
+
+	@bindThis
 	public createExportFavoritesJob(user: ThinUser) {
 		return this.dbQueue.add('exportFavorites', {
 			user: { id: user.id },
diff --git a/packages/backend/src/core/ReactionService.ts b/packages/backend/src/core/ReactionService.ts
index 0daee34ce5..90586b500e 100644
--- a/packages/backend/src/core/ReactionService.ts
+++ b/packages/backend/src/core/ReactionService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -28,13 +28,14 @@ import { UserBlockingService } from '@/core/UserBlockingService.js';
 import { CustomEmojiService } from '@/core/CustomEmojiService.js';
 import { RoleService } from '@/core/RoleService.js';
 import { FeaturedService } from '@/core/FeaturedService.js';
+import { trackPromise } from '@/misc/promise-tracker.js';
 
-const FALLBACK = '❤';
+const FALLBACK = '\u2764';
 const PER_NOTE_REACTION_USER_PAIR_CACHE_MAX = 16;
 
 const legacies: Record<string, string> = {
 	'like': '👍',
-	'love': '❤', // ここに記述する場合は異体字セレクタを入れない
+	'love': '\u2764', // ハート、異体字セレクタを入れない
 	'laugh': '😆',
 	'hmm': '🤔',
 	'surprise': '😮',
@@ -122,7 +123,7 @@ export class ReactionService {
 		let reaction = _reaction ?? FALLBACK;
 
 		if (note.reactionAcceptance === 'likeOnly' || ((note.reactionAcceptance === 'likeOnlyForRemote' || note.reactionAcceptance === 'nonSensitiveOnlyForLocalLikeOnlyForRemote') && (user.host != null))) {
-			reaction = '❤️';
+			reaction = '\u2764';
 		} else if (_reaction) {
 			const custom = reaction.match(isCustomEmojiRegexp);
 			if (custom) {
@@ -247,7 +248,7 @@ export class ReactionService {
 
 		// リアクションされたユーザーがローカルユーザーなら通知を作成
 		if (note.userHost === null) {
-			const isThreadMuted = await this.noteThreadMutingsRepository.exist({
+			const isThreadMuted = await this.noteThreadMutingsRepository.exists({
 				where: {
 					userId: note.userId,
 					threadId: note.threadId ?? note.id,
@@ -280,7 +281,7 @@ export class ReactionService {
 				}
 			}
 
-			dm.execute();
+			trackPromise(dm.execute());
 		}
 		//#endregion
 	}
@@ -328,40 +329,41 @@ export class ReactionService {
 				dm.addDirectRecipe(reactee as MiRemoteUser);
 			}
 			dm.addFollowersRecipe();
-			dm.execute();
+			trackPromise(dm.execute());
 		}
 		//#endregion
 	}
 
+	/**
+	 * 文字列タイプのレガシーな形式のリアクションを現在の形式に変換しつつ、
+	 * データベース上には存在する「0個のリアクションがついている」という情報を削除する。
+	 */
 	@bindThis
-	public convertLegacyReactions(reactions: Record<string, number>) {
-		const _reactions = {} as Record<string, number>;
+	public convertLegacyReactions(reactions: MiNote['reactions']): MiNote['reactions'] {
+		return Object.entries(reactions)
+			.filter(([, count]) => {
+				// `ReactionService.prototype.delete`ではリアクション削除時に、
+				// `MiNote['reactions']`のエントリの値をデクリメントしているが、
+				// デクリメントしているだけなのでエントリ自体は0を値として持つ形で残り続ける。
+				// そのため、この処理がなければ、「0個のリアクションがついている」ということになってしまう。
+				return count > 0;
+			})
+			.map(([reaction, count]) => {
+				// unchecked indexed access
+				const convertedReaction = legacies[reaction] as string | undefined;
 
-		for (const reaction of Object.keys(reactions)) {
-			if (reactions[reaction] <= 0) continue;
+				const key = this.decodeReaction(convertedReaction ?? reaction).reaction;
 
-			if (Object.keys(legacies).includes(reaction)) {
-				if (_reactions[legacies[reaction]]) {
-					_reactions[legacies[reaction]] += reactions[reaction];
-				} else {
-					_reactions[legacies[reaction]] = reactions[reaction];
-				}
-			} else {
-				if (_reactions[reaction]) {
-					_reactions[reaction] += reactions[reaction];
-				} else {
-					_reactions[reaction] = reactions[reaction];
-				}
-			}
-		}
-
-		const _reactions2 = {} as Record<string, number>;
+				return [key, count] as const;
+			})
+			.reduce<MiNote['reactions']>((acc, [key, count]) => {
+				// unchecked indexed access
+				const prevCount = acc[key] as number | undefined;
 
-		for (const reaction of Object.keys(_reactions)) {
-			_reactions2[this.decodeReaction(reaction).reaction] = _reactions[reaction];
-		}
+				acc[key] = (prevCount ?? 0) + count;
 
-		return _reactions2;
+				return acc;
+			}, {});
 	}
 
 	@bindThis
diff --git a/packages/backend/src/core/RegistryApiService.ts b/packages/backend/src/core/RegistryApiService.ts
index d340c5e480..2c8877d8a8 100644
--- a/packages/backend/src/core/RegistryApiService.ts
+++ b/packages/backend/src/core/RegistryApiService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/RelayService.ts b/packages/backend/src/core/RelayService.ts
index d40cd080c7..e9dc9b57af 100644
--- a/packages/backend/src/core/RelayService.ts
+++ b/packages/backend/src/core/RelayService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/RemoteLoggerService.ts b/packages/backend/src/core/RemoteLoggerService.ts
index 5d13988ed7..413b03bb56 100644
--- a/packages/backend/src/core/RemoteLoggerService.ts
+++ b/packages/backend/src/core/RemoteLoggerService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/RemoteUserResolveService.ts b/packages/backend/src/core/RemoteUserResolveService.ts
index 75c5f14aa4..f5a55eb8bc 100644
--- a/packages/backend/src/core/RemoteUserResolveService.ts
+++ b/packages/backend/src/core/RemoteUserResolveService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/ReversiService.ts b/packages/backend/src/core/ReversiService.ts
new file mode 100644
index 0000000000..53a7234823
--- /dev/null
+++ b/packages/backend/src/core/ReversiService.ts
@@ -0,0 +1,615 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import * as Redis from 'ioredis';
+import { ModuleRef } from '@nestjs/core';
+import * as Reversi from 'misskey-reversi';
+import { IsNull, LessThan, MoreThan } from 'typeorm';
+import type {
+	MiReversiGame,
+	ReversiGamesRepository,
+} from '@/models/_.js';
+import type { MiUser } from '@/models/User.js';
+import { DI } from '@/di-symbols.js';
+import { bindThis } from '@/decorators.js';
+import { CacheService } from '@/core/CacheService.js';
+import { UserEntityService } from '@/core/entities/UserEntityService.js';
+import { GlobalEventService } from '@/core/GlobalEventService.js';
+import { IdService } from '@/core/IdService.js';
+import { NotificationService } from '@/core/NotificationService.js';
+import { Serialized } from '@/types.js';
+import { ReversiGameEntityService } from './entities/ReversiGameEntityService.js';
+import type { OnApplicationShutdown, OnModuleInit } from '@nestjs/common';
+
+const INVITATION_TIMEOUT_MS = 1000 * 20; // 20sec
+
+@Injectable()
+export class ReversiService implements OnApplicationShutdown, OnModuleInit {
+	private notificationService: NotificationService;
+
+	constructor(
+		private moduleRef: ModuleRef,
+
+		@Inject(DI.redis)
+		private redisClient: Redis.Redis,
+
+		@Inject(DI.reversiGamesRepository)
+		private reversiGamesRepository: ReversiGamesRepository,
+
+		private cacheService: CacheService,
+		private userEntityService: UserEntityService,
+		private globalEventService: GlobalEventService,
+		private reversiGameEntityService: ReversiGameEntityService,
+		private idService: IdService,
+	) {
+	}
+
+	async onModuleInit() {
+		this.notificationService = this.moduleRef.get(NotificationService.name);
+	}
+
+	@bindThis
+	private async cacheGame(game: MiReversiGame) {
+		await this.redisClient.setex(`reversi:game:cache:${game.id}`, 60 * 60, JSON.stringify(game));
+	}
+
+	@bindThis
+	private async deleteGameCache(gameId: MiReversiGame['id']) {
+		await this.redisClient.del(`reversi:game:cache:${gameId}`);
+	}
+
+	@bindThis
+	private getBakeProps(game: MiReversiGame) {
+		return {
+			startedAt: game.startedAt,
+			endedAt: game.endedAt,
+			// ゲームの途中からユーザーが変わることは無いので
+			//user1Id: game.user1Id,
+			//user2Id: game.user2Id,
+			user1Ready: game.user1Ready,
+			user2Ready: game.user2Ready,
+			black: game.black,
+			isStarted: game.isStarted,
+			isEnded: game.isEnded,
+			winnerId: game.winnerId,
+			surrenderedUserId: game.surrenderedUserId,
+			timeoutUserId: game.timeoutUserId,
+			isLlotheo: game.isLlotheo,
+			canPutEverywhere: game.canPutEverywhere,
+			loopedBoard: game.loopedBoard,
+			timeLimitForEachTurn: game.timeLimitForEachTurn,
+			logs: game.logs,
+			map: game.map,
+			bw: game.bw,
+			crc32: game.crc32,
+			noIrregularRules: game.noIrregularRules,
+		} satisfies Partial<MiReversiGame>;
+	}
+
+	@bindThis
+	public async matchSpecificUser(me: MiUser, targetUser: MiUser, multiple = false): Promise<MiReversiGame | null> {
+		if (targetUser.id === me.id) {
+			throw new Error('You cannot match yourself.');
+		}
+
+		if (!multiple) {
+			// 既にマッチしている対局が無いか探す(3分以内)
+			const games = await this.reversiGamesRepository.find({
+				where: [
+					{ id: MoreThan(this.idService.gen(Date.now() - 1000 * 60 * 3)), user1Id: me.id, user2Id: targetUser.id, isStarted: false },
+					{ id: MoreThan(this.idService.gen(Date.now() - 1000 * 60 * 3)), user1Id: targetUser.id, user2Id: me.id, isStarted: false },
+				],
+				relations: ['user1', 'user2'],
+				order: { id: 'DESC' },
+			});
+			if (games.length > 0) {
+				return games[0];
+			}
+		}
+
+		//#region 相手から既に招待されてないか確認
+		const invitations = await this.redisClient.zrange(
+			`reversi:matchSpecific:${me.id}`,
+			Date.now() - INVITATION_TIMEOUT_MS,
+			'+inf',
+			'BYSCORE');
+
+		if (invitations.includes(targetUser.id)) {
+			await this.redisClient.zrem(`reversi:matchSpecific:${me.id}`, targetUser.id);
+
+			const game = await this.matched(targetUser.id, me.id, {
+				noIrregularRules: false,
+			});
+
+			return game;
+		}
+		//#endregion
+
+		const redisPipeline = this.redisClient.pipeline();
+		redisPipeline.zadd(`reversi:matchSpecific:${targetUser.id}`, Date.now(), me.id);
+		redisPipeline.expire(`reversi:matchSpecific:${targetUser.id}`, 120, 'NX');
+		await redisPipeline.exec();
+
+		this.globalEventService.publishReversiStream(targetUser.id, 'invited', {
+			user: await this.userEntityService.pack(me, targetUser),
+		});
+
+		return null;
+	}
+
+	@bindThis
+	public async matchAnyUser(me: MiUser, options: { noIrregularRules: boolean }, multiple = false): Promise<MiReversiGame | null> {
+		if (!multiple) {
+			// 既にマッチしている対局が無いか探す(3分以内)
+			const games = await this.reversiGamesRepository.find({
+				where: [
+					{ id: MoreThan(this.idService.gen(Date.now() - 1000 * 60 * 3)), user1Id: me.id, isStarted: false },
+					{ id: MoreThan(this.idService.gen(Date.now() - 1000 * 60 * 3)), user2Id: me.id, isStarted: false },
+				],
+				relations: ['user1', 'user2'],
+				order: { id: 'DESC' },
+			});
+			if (games.length > 0) {
+				return games[0];
+			}
+		}
+
+		//#region まず自分宛ての招待を探す
+		const invitations = await this.redisClient.zrange(
+			`reversi:matchSpecific:${me.id}`,
+			Date.now() - INVITATION_TIMEOUT_MS,
+			'+inf',
+			'BYSCORE');
+
+		if (invitations.length > 0) {
+			const invitorId = invitations[Math.floor(Math.random() * invitations.length)];
+			await this.redisClient.zrem(`reversi:matchSpecific:${me.id}`, invitorId);
+
+			const game = await this.matched(invitorId, me.id, {
+				noIrregularRules: false,
+			});
+
+			return game;
+		}
+		//#endregion
+
+		const matchings = await this.redisClient.zrange(
+			'reversi:matchAny',
+			0,
+			2, // 自分自身のIDが入っている場合もあるので2つ取得
+			'REV');
+
+		const items = matchings.filter(id => !id.startsWith(me.id));
+
+		if (items.length > 0) {
+			const [matchedUserId, option] = items[0].split(':');
+
+			await this.redisClient.zrem('reversi:matchAny',
+				me.id,
+				matchedUserId,
+				me.id + ':noIrregularRules',
+				matchedUserId + ':noIrregularRules');
+
+			const game = await this.matched(matchedUserId, me.id, {
+				noIrregularRules: options.noIrregularRules || option === 'noIrregularRules',
+			});
+
+			return game;
+		} else {
+			const redisPipeline = this.redisClient.pipeline();
+			if (options.noIrregularRules) {
+				redisPipeline.zadd('reversi:matchAny', Date.now(), me.id + ':noIrregularRules');
+			} else {
+				redisPipeline.zadd('reversi:matchAny', Date.now(), me.id);
+			}
+			redisPipeline.expire('reversi:matchAny', 15, 'NX');
+			await redisPipeline.exec();
+			return null;
+		}
+	}
+
+	@bindThis
+	public async matchSpecificUserCancel(user: MiUser, targetUserId: MiUser['id']) {
+		await this.redisClient.zrem(`reversi:matchSpecific:${targetUserId}`, user.id);
+	}
+
+	@bindThis
+	public async matchAnyUserCancel(user: MiUser) {
+		await this.redisClient.zrem('reversi:matchAny', user.id, user.id + ':noIrregularRules');
+	}
+
+	@bindThis
+	public async cleanOutdatedGames() {
+		await this.reversiGamesRepository.delete({
+			id: LessThan(this.idService.gen(Date.now() - 1000 * 60 * 10)),
+			isStarted: false,
+		});
+	}
+
+	@bindThis
+	public async gameReady(gameId: MiReversiGame['id'], user: MiUser, ready: boolean) {
+		const game = await this.get(gameId);
+		if (game == null) throw new Error('game not found');
+		if (game.isStarted) return;
+
+		let isBothReady = false;
+
+		if (game.user1Id === user.id) {
+			const updatedGame = {
+				...game,
+				user1Ready: ready,
+			};
+			this.cacheGame(updatedGame);
+
+			this.globalEventService.publishReversiGameStream(game.id, 'changeReadyStates', {
+				user1: ready,
+				user2: updatedGame.user2Ready,
+			});
+
+			if (ready && updatedGame.user2Ready) isBothReady = true;
+		} else if (game.user2Id === user.id) {
+			const updatedGame = {
+				...game,
+				user2Ready: ready,
+			};
+			this.cacheGame(updatedGame);
+
+			this.globalEventService.publishReversiGameStream(game.id, 'changeReadyStates', {
+				user1: updatedGame.user1Ready,
+				user2: ready,
+			});
+
+			if (ready && updatedGame.user1Ready) isBothReady = true;
+		} else {
+			return;
+		}
+
+		if (isBothReady) {
+			// 3秒後、両者readyならゲーム開始
+			setTimeout(async () => {
+				const freshGame = await this.get(game.id);
+				if (freshGame == null || freshGame.isStarted || freshGame.isEnded) return;
+				if (!freshGame.user1Ready || !freshGame.user2Ready) return;
+
+				this.startGame(freshGame);
+			}, 3000);
+		}
+	}
+
+	@bindThis
+	private async matched(parentId: MiUser['id'], childId: MiUser['id'], options: { noIrregularRules: boolean; }): Promise<MiReversiGame> {
+		const game = await this.reversiGamesRepository.insert({
+			id: this.idService.gen(),
+			user1Id: parentId,
+			user2Id: childId,
+			user1Ready: false,
+			user2Ready: false,
+			isStarted: false,
+			isEnded: false,
+			logs: [],
+			map: Reversi.maps.eighteight.data,
+			bw: 'random',
+			isLlotheo: false,
+			noIrregularRules: options.noIrregularRules,
+		}).then(x => this.reversiGamesRepository.findOneOrFail({
+			where: { id: x.identifiers[0].id },
+			relations: ['user1', 'user2'],
+		}));
+		this.cacheGame(game);
+
+		const packed = await this.reversiGameEntityService.packDetail(game);
+		this.globalEventService.publishReversiStream(parentId, 'matched', { game: packed });
+
+		return game;
+	}
+
+	@bindThis
+	private async startGame(game: MiReversiGame) {
+		let bw: number;
+		if (game.bw === 'random') {
+			bw = Math.random() > 0.5 ? 1 : 2;
+		} else {
+			bw = parseInt(game.bw, 10);
+		}
+
+		const engine = new Reversi.Game(game.map, {
+			isLlotheo: game.isLlotheo,
+			canPutEverywhere: game.canPutEverywhere,
+			loopedBoard: game.loopedBoard,
+		});
+
+		const crc32 = engine.calcCrc32().toString();
+
+		const updatedGame = await this.reversiGamesRepository.createQueryBuilder().update()
+			.set({
+				...this.getBakeProps(game),
+				startedAt: new Date(),
+				isStarted: true,
+				black: bw,
+				map: game.map,
+				crc32,
+			})
+			.where('id = :id', { id: game.id })
+			.returning('*')
+			.execute()
+			.then((response) => response.raw[0]);
+		// キャッシュ効率化のためにユーザー情報は再利用
+		updatedGame.user1 = game.user1;
+		updatedGame.user2 = game.user2;
+		this.cacheGame(updatedGame);
+
+		//#region 盤面に最初から石がないなどして始まった瞬間に勝敗が決定する場合があるのでその処理
+		if (engine.isEnded) {
+			let winnerId;
+			if (engine.winner === true) {
+				winnerId = bw === 1 ? updatedGame.user1Id : updatedGame.user2Id;
+			} else if (engine.winner === false) {
+				winnerId = bw === 1 ? updatedGame.user2Id : updatedGame.user1Id;
+			} else {
+				winnerId = null;
+			}
+
+			await this.endGame(updatedGame, winnerId, null);
+
+			return;
+		}
+		//#endregion
+
+		this.redisClient.setex(`reversi:game:turnTimer:${game.id}:1`, updatedGame.timeLimitForEachTurn, '');
+
+		this.globalEventService.publishReversiGameStream(game.id, 'started', {
+			game: await this.reversiGameEntityService.packDetail(updatedGame),
+		});
+	}
+
+	@bindThis
+	private async endGame(game: MiReversiGame, winnerId: MiUser['id'] | null, reason: 'surrender' | 'timeout' | null) {
+		const updatedGame = await this.reversiGamesRepository.createQueryBuilder().update()
+			.set({
+				...this.getBakeProps(game),
+				isEnded: true,
+				endedAt: new Date(),
+				winnerId: winnerId,
+				surrenderedUserId: reason === 'surrender' ? (winnerId === game.user1Id ? game.user2Id : game.user1Id) : null,
+				timeoutUserId: reason === 'timeout' ? (winnerId === game.user1Id ? game.user2Id : game.user1Id) : null,
+			})
+			.where('id = :id', { id: game.id })
+			.returning('*')
+			.execute()
+			.then((response) => response.raw[0]);
+		// キャッシュ効率化のためにユーザー情報は再利用
+		updatedGame.user1 = game.user1;
+		updatedGame.user2 = game.user2;
+		this.cacheGame(updatedGame);
+
+		this.globalEventService.publishReversiGameStream(game.id, 'ended', {
+			winnerId: winnerId,
+			game: await this.reversiGameEntityService.packDetail(updatedGame),
+		});
+	}
+
+	@bindThis
+	public async getInvitations(user: MiUser): Promise<MiUser['id'][]> {
+		const invitations = await this.redisClient.zrange(
+			`reversi:matchSpecific:${user.id}`,
+			Date.now() - INVITATION_TIMEOUT_MS,
+			'+inf',
+			'BYSCORE');
+		return invitations;
+	}
+
+	@bindThis
+	public async updateSettings(gameId: MiReversiGame['id'], user: MiUser, key: string, value: any) {
+		const game = await this.get(gameId);
+		if (game == null) throw new Error('game not found');
+		if (game.isStarted) return;
+		if ((game.user1Id !== user.id) && (game.user2Id !== user.id)) return;
+		if ((game.user1Id === user.id) && game.user1Ready) return;
+		if ((game.user2Id === user.id) && game.user2Ready) return;
+
+		if (!['map', 'bw', 'isLlotheo', 'canPutEverywhere', 'loopedBoard', 'timeLimitForEachTurn'].includes(key)) return;
+
+		// TODO: より厳格なバリデーション
+
+		const updatedGame = {
+			...game,
+			[key]: value,
+		};
+		this.cacheGame(updatedGame);
+
+		this.globalEventService.publishReversiGameStream(game.id, 'updateSettings', {
+			userId: user.id,
+			key: key,
+			value: value,
+		});
+	}
+
+	@bindThis
+	public async putStoneToGame(gameId: MiReversiGame['id'], user: MiUser, pos: number, id?: string | null) {
+		const game = await this.get(gameId);
+		if (game == null) throw new Error('game not found');
+		if (!game.isStarted) return;
+		if (game.isEnded) return;
+		if ((game.user1Id !== user.id) && (game.user2Id !== user.id)) return;
+
+		const myColor =
+			((game.user1Id === user.id) && game.black === 1) || ((game.user2Id === user.id) && game.black === 2)
+				? true
+				: false;
+
+		const engine = Reversi.Serializer.restoreGame({
+			map: game.map,
+			isLlotheo: game.isLlotheo,
+			canPutEverywhere: game.canPutEverywhere,
+			loopedBoard: game.loopedBoard,
+			logs: game.logs,
+		});
+
+		if (engine.turn !== myColor) return;
+		if (!engine.canPut(myColor, pos)) return;
+
+		engine.putStone(pos);
+
+		const logs = Reversi.Serializer.deserializeLogs(game.logs);
+
+		const log = {
+			time: Date.now(),
+			player: myColor,
+			operation: 'put',
+			pos,
+		} as const;
+
+		logs.push(log);
+
+		const serializeLogs = Reversi.Serializer.serializeLogs(logs);
+
+		const crc32 = engine.calcCrc32().toString();
+
+		const updatedGame = {
+			...game,
+			crc32,
+			logs: serializeLogs,
+		};
+		this.cacheGame(updatedGame);
+
+		this.globalEventService.publishReversiGameStream(game.id, 'log', {
+			...log,
+			id: id ?? null,
+		});
+
+		if (engine.isEnded) {
+			let winnerId;
+			if (engine.winner === true) {
+				winnerId = game.black === 1 ? game.user1Id : game.user2Id;
+			} else if (engine.winner === false) {
+				winnerId = game.black === 1 ? game.user2Id : game.user1Id;
+			} else {
+				winnerId = null;
+			}
+
+			await this.endGame(updatedGame, winnerId, null);
+		} else {
+			this.redisClient.setex(`reversi:game:turnTimer:${game.id}:${engine.turn ? '1' : '0'}`, updatedGame.timeLimitForEachTurn, '');
+		}
+	}
+
+	@bindThis
+	public async surrender(gameId: MiReversiGame['id'], user: MiUser) {
+		const game = await this.get(gameId);
+		if (game == null) throw new Error('game not found');
+		if (game.isEnded) return;
+		if ((game.user1Id !== user.id) && (game.user2Id !== user.id)) return;
+
+		const winnerId = game.user1Id === user.id ? game.user2Id : game.user1Id;
+
+		await this.endGame(game, winnerId, 'surrender');
+	}
+
+	@bindThis
+	public async checkTimeout(gameId: MiReversiGame['id']) {
+		const game = await this.get(gameId);
+		if (game == null) throw new Error('game not found');
+		if (game.isEnded) return;
+
+		const engine = Reversi.Serializer.restoreGame({
+			map: game.map,
+			isLlotheo: game.isLlotheo,
+			canPutEverywhere: game.canPutEverywhere,
+			loopedBoard: game.loopedBoard,
+			logs: game.logs,
+		});
+
+		if (engine.turn == null) return;
+
+		const timer = await this.redisClient.exists(`reversi:game:turnTimer:${game.id}:${engine.turn ? '1' : '0'}`);
+
+		if (timer === 0) {
+			const winnerId = engine.turn ? (game.black === 1 ? game.user2Id : game.user1Id) : (game.black === 1 ? game.user1Id : game.user2Id);
+
+			await this.endGame(game, winnerId, 'timeout');
+		}
+	}
+
+	@bindThis
+	public async cancelGame(gameId: MiReversiGame['id'], user: MiUser) {
+		const game = await this.get(gameId);
+		if (game == null) throw new Error('game not found');
+		if (game.isStarted) return;
+		if ((game.user1Id !== user.id) && (game.user2Id !== user.id)) return;
+
+		await this.reversiGamesRepository.delete(game.id);
+		this.deleteGameCache(game.id);
+
+		this.globalEventService.publishReversiGameStream(game.id, 'canceled', {
+			userId: user.id,
+		});
+	}
+
+	@bindThis
+	public async get(id: MiReversiGame['id']): Promise<MiReversiGame | null> {
+		const cached = await this.redisClient.get(`reversi:game:cache:${id}`);
+		if (cached != null) {
+			// TODO: この辺りのデシリアライズ処理をどこか別のサービスに切り出したい
+			const parsed = JSON.parse(cached) as Serialized<MiReversiGame>;
+			return {
+				...parsed,
+				startedAt: parsed.startedAt != null ? new Date(parsed.startedAt) : null,
+				endedAt: parsed.endedAt != null ? new Date(parsed.endedAt) : null,
+				user1: parsed.user1 != null ? {
+					...parsed.user1,
+					avatar: null,
+					banner: null,
+					background: null,
+					updatedAt: parsed.user1.updatedAt != null ? new Date(parsed.user1.updatedAt) : null,
+					lastActiveDate: parsed.user1.lastActiveDate != null ? new Date(parsed.user1.lastActiveDate) : null,
+					lastFetchedAt: parsed.user1.lastFetchedAt != null ? new Date(parsed.user1.lastFetchedAt) : null,
+					movedAt: parsed.user1.movedAt != null ? new Date(parsed.user1.movedAt) : null,
+				} : null,
+				user2: parsed.user2 != null ? {
+					...parsed.user2,
+					avatar: null,
+					banner: null,
+					background: null,
+					updatedAt: parsed.user2.updatedAt != null ? new Date(parsed.user2.updatedAt) : null,
+					lastActiveDate: parsed.user2.lastActiveDate != null ? new Date(parsed.user2.lastActiveDate) : null,
+					lastFetchedAt: parsed.user2.lastFetchedAt != null ? new Date(parsed.user2.lastFetchedAt) : null,
+					movedAt: parsed.user2.movedAt != null ? new Date(parsed.user2.movedAt) : null,
+				} : null,
+			};
+		} else {
+			const game = await this.reversiGamesRepository.findOne({
+				where: { id },
+				relations: ['user1', 'user2'],
+			});
+			if (game == null) return null;
+
+			this.cacheGame(game);
+
+			return game;
+		}
+	}
+
+	@bindThis
+	public async checkCrc(gameId: MiReversiGame['id'], crc32: string | number) {
+		const game = await this.get(gameId);
+		if (game == null) throw new Error('game not found');
+
+		if (crc32.toString() !== game.crc32) {
+			return game;
+		} else {
+			return null;
+		}
+	}
+
+	@bindThis
+	public dispose(): void {
+	}
+
+	@bindThis
+	public onApplicationShutdown(signal?: string | undefined): void {
+		this.dispose();
+	}
+}
diff --git a/packages/backend/src/core/RoleService.ts b/packages/backend/src/core/RoleService.ts
index dcd9d7399f..2059a6e784 100644
--- a/packages/backend/src/core/RoleService.ts
+++ b/packages/backend/src/core/RoleService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -36,6 +36,7 @@ export type RolePolicies = {
 	ltlAvailable: boolean;
 	btlAvailable: boolean;
 	canPublicNote: boolean;
+	mentionLimit: number;
 	canInvite: boolean;
 	inviteLimit: number;
 	inviteLimitCycle: number;
@@ -65,6 +66,7 @@ export const DEFAULT_POLICIES: RolePolicies = {
 	ltlAvailable: true,
 	btlAvailable: false,
 	canPublicNote: true,
+	mentionLimit: 20,
 	canInvite: false,
 	inviteLimit: 0,
 	inviteLimitCycle: 60 * 24 * 7,
@@ -181,9 +183,11 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 				case 'userRoleAssigned': {
 					const cached = this.roleAssignmentByUserIdCache.get(body.userId);
 					if (cached) {
-						cached.push({
+						cached.push({ // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
 							...body,
 							expiresAt: body.expiresAt ? new Date(body.expiresAt) : null,
+							user: null, // joinなカラムは通常取ってこないので
+							role: null, // joinなカラムは通常取ってこないので
 						});
 					}
 					break;
@@ -202,17 +206,20 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 	}
 
 	@bindThis
-	private evalCond(user: MiUser, value: RoleCondFormulaValue): boolean {
+	private evalCond(user: MiUser, roles: MiRole[], value: RoleCondFormulaValue): boolean {
 		try {
 			switch (value.type) {
 				case 'and': {
-					return value.values.every(v => this.evalCond(user, v));
+					return value.values.every(v => this.evalCond(user, roles, v));
 				}
 				case 'or': {
-					return value.values.some(v => this.evalCond(user, v));
+					return value.values.some(v => this.evalCond(user, roles, v));
 				}
 				case 'not': {
-					return !this.evalCond(user, value.value);
+					return !this.evalCond(user, roles, value.value);
+				}
+				case 'roleAssignedTo': {
+					return roles.some(r => r.id === value.roleId);
 				}
 				case 'isLocal': {
 					return this.userEntityService.isLocalUser(user);
@@ -274,7 +281,7 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 		const assigns = await this.getUserAssigns(userId);
 		const assignedRoles = roles.filter(r => assigns.map(x => x.roleId).includes(r.id));
 		const user = roles.some(r => r.target === 'conditional') ? await this.cacheService.findUserById(userId) : null;
-		const matchedCondRoles = roles.filter(r => r.target === 'conditional' && this.evalCond(user!, r.condFormula));
+		const matchedCondRoles = roles.filter(r => r.target === 'conditional' && this.evalCond(user!, assignedRoles, r.condFormula));
 		return [...assignedRoles, ...matchedCondRoles];
 	}
 
@@ -287,13 +294,13 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 		let assigns = await this.roleAssignmentByUserIdCache.fetch(userId, () => this.roleAssignmentsRepository.findBy({ userId }));
 		// 期限切れのロールを除外
 		assigns = assigns.filter(a => a.expiresAt == null || (a.expiresAt.getTime() > now));
-		const assignedRoleIds = assigns.map(x => x.roleId);
 		const roles = await this.rolesCache.fetch(() => this.rolesRepository.findBy({}));
-		const assignedBadgeRoles = roles.filter(r => r.asBadge && assignedRoleIds.includes(r.id));
+		const assignedRoles = roles.filter(r => assigns.map(x => x.roleId).includes(r.id));
+		const assignedBadgeRoles = assignedRoles.filter(r => r.asBadge);
 		const badgeCondRoles = roles.filter(r => r.asBadge && (r.target === 'conditional'));
 		if (badgeCondRoles.length > 0) {
 			const user = roles.some(r => r.target === 'conditional') ? await this.cacheService.findUserById(userId) : null;
-			const matchedBadgeCondRoles = badgeCondRoles.filter(r => this.evalCond(user!, r.condFormula));
+			const matchedBadgeCondRoles = badgeCondRoles.filter(r => this.evalCond(user!, assignedRoles, r.condFormula));
 			return [...assignedBadgeRoles, ...matchedBadgeCondRoles];
 		} else {
 			return assignedBadgeRoles;
@@ -328,6 +335,7 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 			btlAvailable: calc('btlAvailable', vs => vs.some(v => v === true)),
 			ltlAvailable: calc('ltlAvailable', vs => vs.some(v => v === true)),
 			canPublicNote: calc('canPublicNote', vs => vs.some(v => v === true)),
+			mentionLimit: calc('mentionLimit', vs => Math.max(...vs)),
 			canInvite: calc('canInvite', vs => vs.some(v => v === true)),
 			inviteLimit: calc('inviteLimit', vs => Math.max(...vs)),
 			inviteLimitCycle: calc('inviteLimitCycle', vs => Math.max(...vs)),
diff --git a/packages/backend/src/core/S3Service.ts b/packages/backend/src/core/S3Service.ts
index df0991539d..bb2a463354 100644
--- a/packages/backend/src/core/S3Service.ts
+++ b/packages/backend/src/core/S3Service.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/SearchService.ts b/packages/backend/src/core/SearchService.ts
index 57c7e4baba..6dc3e85fc8 100644
--- a/packages/backend/src/core/SearchService.ts
+++ b/packages/backend/src/core/SearchService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/SignupService.ts b/packages/backend/src/core/SignupService.ts
index 32e3dee937..e3d69e5e94 100644
--- a/packages/backend/src/core/SignupService.ts
+++ b/packages/backend/src/core/SignupService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -17,6 +17,7 @@ import { MiUserKeypair } from '@/models/UserKeypair.js';
 import { MiUsedUsername } from '@/models/UsedUsername.js';
 import generateUserToken from '@/misc/generate-native-user-token.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
+import { InstanceActorService } from '@/core/InstanceActorService.js';
 import { bindThis } from '@/decorators.js';
 import UsersChart from '@/core/chart/charts/users.js';
 import { UtilityService } from '@/core/UtilityService.js';
@@ -38,6 +39,7 @@ export class SignupService {
 		private userEntityService: UserEntityService,
 		private idService: IdService,
 		private metaService: MetaService,
+		private instanceActorService: InstanceActorService,
 		private usersChart: UsersChart,
 	) {
 	}
@@ -75,16 +77,16 @@ export class SignupService {
 		const secret = generateUserToken();
 
 		// Check username duplication
-		if (await this.usersRepository.exist({ where: { usernameLower: username.toLowerCase(), host: IsNull() } })) {
+		if (await this.usersRepository.exists({ where: { usernameLower: username.toLowerCase(), host: IsNull() } })) {
 			throw new Error('DUPLICATED_USERNAME');
 		}
 
 		// Check deleted username duplication
-		if (await this.usedUsernamesRepository.exist({ where: { username: username.toLowerCase() } })) {
+		if (await this.usedUsernamesRepository.exists({ where: { username: username.toLowerCase() } })) {
 			throw new Error('USED_USERNAME');
 		}
 
-		const isTheFirstUser = (await this.usersRepository.countBy({ host: IsNull() })) === 0;
+		const isTheFirstUser = !await this.instanceActorService.realLocalUsersPresent();
 
 		if (!opts.ignorePreservedUsernames && !isTheFirstUser) {
 			const isPreserved = instance.preservedUsernames.map(x => x.toLowerCase()).includes(username.toLowerCase());
diff --git a/packages/backend/src/core/UserAuthService.ts b/packages/backend/src/core/UserAuthService.ts
index ccf4dfc6bd..bdc27cbe8e 100644
--- a/packages/backend/src/core/UserAuthService.ts
+++ b/packages/backend/src/core/UserAuthService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/UserBlockingService.ts b/packages/backend/src/core/UserBlockingService.ts
index 39b19325c3..96f389b54c 100644
--- a/packages/backend/src/core/UserBlockingService.ts
+++ b/packages/backend/src/core/UserBlockingService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -109,13 +109,13 @@ export class UserBlockingService implements OnModuleInit {
 
 		if (this.userEntityService.isLocalUser(followee)) {
 			this.userEntityService.pack(followee, followee, {
-				detail: true,
+				schema: 'MeDetailed',
 			}).then(packed => this.globalEventService.publishMainStream(followee.id, 'meUpdated', packed));
 		}
 
 		if (this.userEntityService.isLocalUser(follower) && !silent) {
 			this.userEntityService.pack(followee, follower, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}).then(async packed => {
 				this.globalEventService.publishMainStream(follower.id, 'unfollow', packed);
 
diff --git a/packages/backend/src/core/UserFollowingService.ts b/packages/backend/src/core/UserFollowingService.ts
index d600ffb9d9..deeecdeb1f 100644
--- a/packages/backend/src/core/UserFollowingService.ts
+++ b/packages/backend/src/core/UserFollowingService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -30,6 +30,7 @@ import type { Config } from '@/config.js';
 import { AccountMoveService } from '@/core/AccountMoveService.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { FanoutTimelineService } from '@/core/FanoutTimelineService.js';
+import type { ThinUser } from '@/queue/types.js';
 import Logger from '../logger.js';
 
 const logger = new Logger('following/create');
@@ -95,20 +96,34 @@ export class UserFollowingService implements OnModuleInit {
 	}
 
 	@bindThis
+	public async deliverAccept(follower: MiRemoteUser, followee: MiPartialLocalUser, requestId?: string) {
+		const content = this.apRendererService.addContext(this.apRendererService.renderAccept(this.apRendererService.renderFollow(follower, followee, requestId), followee));
+		this.queueService.deliver(followee, content, follower.inbox, false);
+	}
+
+	@bindThis
 	public async follow(
-		_follower: { id: MiUser['id'] },
-		_followee: { id: MiUser['id'] },
+		_follower: ThinUser,
+		_followee: ThinUser,
 		{ requestId, silent = false, withReplies }: {
 			requestId?: string,
 			silent?: boolean,
 			withReplies?: boolean,
 		} = {},
 	): Promise<void> {
+		/**
+		 * 必ず最新のユーザー情報を取得する
+		 */
 		const [follower, followee] = await Promise.all([
 			this.usersRepository.findOneByOrFail({ id: _follower.id }),
 			this.usersRepository.findOneByOrFail({ id: _followee.id }),
 		]) as [MiLocalUser | MiRemoteUser, MiLocalUser | MiRemoteUser];
 
+		if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isRemoteUser(followee)) {
+			// What?
+			throw new Error('Remote user cannot follow remote user.');
+		}
+
 		// check blocking
 		const [blocking, blocked] = await Promise.all([
 			this.userBlockingService.checkBlocked(follower.id, followee.id),
@@ -129,6 +144,24 @@ export class UserFollowingService implements OnModuleInit {
 			if (blocked) throw new IdentifiableError('3338392a-f764-498d-8855-db939dcf8c48', 'blocked');
 		}
 
+		if (await this.followingsRepository.exists({
+			where: {
+				followerId: follower.id,
+				followeeId: followee.id,
+			},
+		})) {
+			// すでにフォロー関係が存在している場合
+			if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
+				// リモート → ローカル: acceptを送り返しておしまい
+				this.deliverAccept(follower, followee, requestId);
+				return;
+			}
+			if (this.userEntityService.isLocalUser(follower)) {
+				// ローカル → リモート/ローカル: 例外
+				throw new IdentifiableError('ec3f65c0-a9d1-47d9-8791-b2e7b9dcdced', 'already following');
+			}
+		}
+
 		const followeeProfile = await this.userProfilesRepository.findOneByOrFail({ userId: followee.id });
 		// フォロー対象が鍵アカウントである or
 		// フォロワーがBotであり、フォロー対象がBotからのフォローに慎重である or
@@ -144,7 +177,7 @@ export class UserFollowingService implements OnModuleInit {
 			let autoAccept = false;
 
 			// 鍵アカウントであっても、既にフォローされていた場合はスルー
-			const isFollowing = await this.followingsRepository.exist({
+			const isFollowing = await this.followingsRepository.exists({
 				where: {
 					followerId: follower.id,
 					followeeId: followee.id,
@@ -156,7 +189,7 @@ export class UserFollowingService implements OnModuleInit {
 
 			// フォローしているユーザーは自動承認オプション
 			if (!autoAccept && (this.userEntityService.isLocalUser(followee) && followeeProfile.autoAcceptFollowed)) {
-				const isFollowed = await this.followingsRepository.exist({
+				const isFollowed = await this.followingsRepository.exists({
 					where: {
 						followerId: followee.id,
 						followeeId: follower.id,
@@ -170,7 +203,7 @@ export class UserFollowingService implements OnModuleInit {
 			if (followee.isLocked && !autoAccept) {
 				autoAccept = !!(await this.accountMoveService.validateAlsoKnownAs(
 					follower,
-					(oldSrc, newSrc) => this.followingsRepository.exist({
+					(oldSrc, newSrc) => this.followingsRepository.exists({
 						where: {
 							followeeId: followee.id,
 							followerId: newSrc.id,
@@ -189,8 +222,7 @@ export class UserFollowingService implements OnModuleInit {
 		await this.insertFollowingDoc(followee, follower, silent, withReplies);
 
 		if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
-			const content = this.apRendererService.addContext(this.apRendererService.renderAccept(this.apRendererService.renderFollow(follower, followee, requestId), followee));
-			this.queueService.deliver(followee, content, follower.inbox, false);
+			this.deliverAccept(follower, followee, requestId);
 		}
 	}
 
@@ -233,7 +265,7 @@ export class UserFollowingService implements OnModuleInit {
 
 		this.cacheService.userFollowingsCache.refresh(follower.id);
 
-		const requestExist = await this.followRequestsRepository.exist({
+		const requestExist = await this.followRequestsRepository.exists({
 			where: {
 				followeeId: followee.id,
 				followerId: follower.id,
@@ -293,9 +325,9 @@ export class UserFollowingService implements OnModuleInit {
 		if (this.userEntityService.isLocalUser(follower) && !silent) {
 			// Publish follow event
 			this.userEntityService.pack(followee.id, follower, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}).then(async packed => {
-				this.globalEventService.publishMainStream(follower.id, 'follow', packed as Packed<'UserDetailedNotMe'>);
+				this.globalEventService.publishMainStream(follower.id, 'follow', packed);
 
 				const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === follower.id && x.on.includes('follow'));
 				for (const webhook of webhooks) {
@@ -360,7 +392,7 @@ export class UserFollowingService implements OnModuleInit {
 		if (!silent && this.userEntityService.isLocalUser(follower)) {
 			// Publish unfollow event
 			this.userEntityService.pack(followee.id, follower, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}).then(async packed => {
 				this.globalEventService.publishMainStream(follower.id, 'unfollow', packed);
 
@@ -479,6 +511,12 @@ export class UserFollowingService implements OnModuleInit {
 		if (blocking) throw new Error('blocking');
 		if (blocked) throw new Error('blocked');
 
+		// Remove old follow requests before creating a new one.
+		await this.followRequestsRepository.delete({
+			followeeId: followee.id,
+			followerId: follower.id,
+		});
+
 		const followRequest = await this.followRequestsRepository.insert({
 			id: this.idService.gen(),
 			followerId: follower.id,
@@ -500,7 +538,7 @@ export class UserFollowingService implements OnModuleInit {
 			this.userEntityService.pack(follower.id, followee).then(packed => this.globalEventService.publishMainStream(followee.id, 'receiveFollowRequest', packed));
 
 			this.userEntityService.pack(followee.id, followee, {
-				detail: true,
+				schema: 'MeDetailed',
 			}).then(packed => this.globalEventService.publishMainStream(followee.id, 'meUpdated', packed));
 
 			// 通知を作成
@@ -531,7 +569,7 @@ export class UserFollowingService implements OnModuleInit {
 			}
 		}
 
-		const requestExist = await this.followRequestsRepository.exist({
+		const requestExist = await this.followRequestsRepository.exists({
 			where: {
 				followeeId: followee.id,
 				followerId: follower.id,
@@ -548,7 +586,7 @@ export class UserFollowingService implements OnModuleInit {
 		});
 
 		this.userEntityService.pack(followee.id, followee, {
-			detail: true,
+			schema: 'MeDetailed',
 		}).then(packed => this.globalEventService.publishMainStream(followee.id, 'meUpdated', packed));
 	}
 
@@ -571,12 +609,11 @@ export class UserFollowingService implements OnModuleInit {
 		await this.insertFollowingDoc(followee, follower, false, request.withReplies);
 
 		if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
-			const content = this.apRendererService.addContext(this.apRendererService.renderAccept(this.apRendererService.renderFollow(follower, followee as MiPartialLocalUser, request.requestId!), followee));
-			this.queueService.deliver(followee, content, follower.inbox, false);
+			this.deliverAccept(follower, followee as MiPartialLocalUser, request.requestId ?? undefined);
 		}
 
 		this.userEntityService.pack(followee.id, followee, {
-			detail: true,
+			schema: 'MeDetailed',
 		}).then(packed => this.globalEventService.publishMainStream(followee.id, 'meUpdated', packed));
 	}
 
@@ -696,7 +733,7 @@ export class UserFollowingService implements OnModuleInit {
 	@bindThis
 	private async publishUnfollow(followee: Both, follower: Local): Promise<void> {
 		const packedFollowee = await this.userEntityService.pack(followee.id, follower, {
-			detail: true,
+			schema: 'UserDetailedNotMe',
 		});
 
 		this.globalEventService.publishMainStream(follower.id, 'unfollow', packedFollowee);
diff --git a/packages/backend/src/core/UserKeypairService.ts b/packages/backend/src/core/UserKeypairService.ts
index 425a97f3f1..51ac99179a 100644
--- a/packages/backend/src/core/UserKeypairService.ts
+++ b/packages/backend/src/core/UserKeypairService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/UserListService.ts b/packages/backend/src/core/UserListService.ts
index b6e4e1e884..bbdcfed738 100644
--- a/packages/backend/src/core/UserListService.ts
+++ b/packages/backend/src/core/UserListService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/UserMutingService.ts b/packages/backend/src/core/UserMutingService.ts
index 397e6bdd5d..06643be5fb 100644
--- a/packages/backend/src/core/UserMutingService.ts
+++ b/packages/backend/src/core/UserMutingService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/UserService.ts b/packages/backend/src/core/UserService.ts
index d16e1be615..72fa4d928d 100644
--- a/packages/backend/src/core/UserService.ts
+++ b/packages/backend/src/core/UserService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/UserSuspendService.ts b/packages/backend/src/core/UserSuspendService.ts
index 8940a142d1..d594a223f4 100644
--- a/packages/backend/src/core/UserSuspendService.ts
+++ b/packages/backend/src/core/UserSuspendService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/UtilityService.ts b/packages/backend/src/core/UtilityService.ts
index 5dec36c89e..652e8f7449 100644
--- a/packages/backend/src/core/UtilityService.ts
+++ b/packages/backend/src/core/UtilityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -43,13 +43,27 @@ export class UtilityService {
 	}
 
 	@bindThis
-	public isSensitiveWordIncluded(text: string, sensitiveWords: string[]): boolean {
-		if (sensitiveWords.length === 0) return false;
+	public concatNoteContentsForKeyWordCheck(content: {
+		cw?: string | null;
+		text?: string | null;
+		pollChoices?: string[] | null;
+		others?: string[] | null;
+	}): string {
+		/**
+		 * ノートの内容を結合してキーワードチェック用の文字列を生成する
+		 * cwとtextは内容が繋がっているかもしれないので間に何も入れずにチェックする
+		 */
+		return `${content.cw ?? ''}${content.text ?? ''}\n${(content.pollChoices ?? []).join('\n')}\n${(content.others ?? []).join('\n')}`;
+	}
+
+	@bindThis
+	public isKeyWordIncluded(text: string, keyWords: string[]): boolean {
+		if (keyWords.length === 0) return false;
 		if (text === '') return false;
 
 		const regexpregexp = /^\/(.+)\/(.*)$/;
 
-		const matched = sensitiveWords.some(filter => {
+		const matched = keyWords.some(filter => {
 			// represents RegExp
 			const regexp = filter.match(regexpregexp);
 			// This should never happen due to input sanitisation.
diff --git a/packages/backend/src/core/VideoProcessingService.ts b/packages/backend/src/core/VideoProcessingService.ts
index ffb7573358..747fe4fc7e 100644
--- a/packages/backend/src/core/VideoProcessingService.ts
+++ b/packages/backend/src/core/VideoProcessingService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/WebAuthnService.ts b/packages/backend/src/core/WebAuthnService.ts
index 5945dc2919..42fbed2110 100644
--- a/packages/backend/src/core/WebAuthnService.ts
+++ b/packages/backend/src/core/WebAuthnService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -26,7 +26,7 @@ import type {
 	PublicKeyCredentialDescriptorFuture,
 	PublicKeyCredentialRequestOptionsJSON,
 	RegistrationResponseJSON,
-} from '@simplewebauthn/typescript-types';
+} from '@simplewebauthn/types';
 
 @Injectable()
 export class WebAuthnService {
@@ -191,7 +191,7 @@ export class WebAuthnService {
 			if (cert[0] === 0x04) { // 前の実装ではいつも 0x04 で始まっていた
 				const halfLength = (cert.length - 1) / 2;
 
-				const cborMap = new Map<number, number | ArrayBufferLike>();
+				const cborMap = new Map<number, number | Uint8Array>();
 				cborMap.set(1, 2); // kty, EC2
 				cborMap.set(3, -7); // alg, ES256
 				cborMap.set(-1, 1); // crv, P256
diff --git a/packages/backend/src/core/WebfingerService.ts b/packages/backend/src/core/WebfingerService.ts
index 3d5747aebd..374536a741 100644
--- a/packages/backend/src/core/WebfingerService.ts
+++ b/packages/backend/src/core/WebfingerService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/WebhookService.ts b/packages/backend/src/core/WebhookService.ts
index 930e6ef64a..6be34977b0 100644
--- a/packages/backend/src/core/WebhookService.ts
+++ b/packages/backend/src/core/WebhookService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -49,9 +49,10 @@ export class WebhookService implements OnApplicationShutdown {
 			switch (type) {
 				case 'webhookCreated':
 					if (body.active) {
-						this.webhooks.push({
+						this.webhooks.push({ // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
 							...body,
 							latestSentAt: body.latestSentAt ? new Date(body.latestSentAt) : null,
+							user: null, // joinなカラムは通常取ってこないので
 						});
 					}
 					break;
@@ -59,14 +60,16 @@ export class WebhookService implements OnApplicationShutdown {
 					if (body.active) {
 						const i = this.webhooks.findIndex(a => a.id === body.id);
 						if (i > -1) {
-							this.webhooks[i] = {
+							this.webhooks[i] = { // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
 								...body,
 								latestSentAt: body.latestSentAt ? new Date(body.latestSentAt) : null,
+								user: null, // joinなカラムは通常取ってこないので
 							};
 						} else {
-							this.webhooks.push({
+							this.webhooks.push({ // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
 								...body,
 								latestSentAt: body.latestSentAt ? new Date(body.latestSentAt) : null,
+								user: null, // joinなカラムは通常取ってこないので
 							});
 						}
 					} else {
diff --git a/packages/backend/src/core/activitypub/ApAudienceService.ts b/packages/backend/src/core/activitypub/ApAudienceService.ts
index 440852bdf3..0fccc7b950 100644
--- a/packages/backend/src/core/activitypub/ApAudienceService.ts
+++ b/packages/backend/src/core/activitypub/ApAudienceService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -8,6 +8,7 @@ import promiseLimit from 'promise-limit';
 import type { MiRemoteUser, MiUser } from '@/models/User.js';
 import { concat, unique } from '@/misc/prelude/array.js';
 import { bindThis } from '@/decorators.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import { getApIds } from './type.js';
 import { ApPersonService } from './models/ApPersonService.js';
 import type { ApObject } from './type.js';
@@ -40,7 +41,7 @@ export class ApAudienceService {
 		const limit = promiseLimit<MiUser | null>(2);
 		const mentionedUsers = (await Promise.all(
 			others.map(id => limit(() => this.apPersonService.resolvePerson(id, resolver).catch(() => null))),
-		)).filter((x): x is MiUser => x != null);
+		)).filter(isNotNull);
 
 		if (toGroups.public.length > 0) {
 			return {
@@ -58,7 +59,7 @@ export class ApAudienceService {
 			};
 		}
 
-		if (toGroups.followers.length > 0) {
+		if (toGroups.followers.length > 0 || ccGroups.followers.length > 0) {
 			return {
 				visibility: 'followers',
 				mentionedUsers,
diff --git a/packages/backend/src/core/activitypub/ApDbResolverService.ts b/packages/backend/src/core/activitypub/ApDbResolverService.ts
index dd1687edeb..44680a2ed5 100644
--- a/packages/backend/src/core/activitypub/ApDbResolverService.ts
+++ b/packages/backend/src/core/activitypub/ApDbResolverService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -106,12 +106,12 @@ export class ApDbResolverService implements OnApplicationShutdown {
 
 			return await this.cacheService.userByIdCache.fetchMaybe(
 				parsed.id,
-				() => this.usersRepository.findOneBy({ id: parsed.id }).then(x => x ?? undefined),
+				() => this.usersRepository.findOneBy({ id: parsed.id, isDeleted: false }).then(x => x ?? undefined),
 			) as MiLocalUser | undefined ?? null;
 		} else {
 			return await this.cacheService.uriPersonCache.fetch(
 				parsed.uri,
-				() => this.usersRepository.findOneBy({ uri: parsed.uri }),
+				() => this.usersRepository.findOneBy({ uri: parsed.uri, isDeleted: false }),
 			) as MiRemoteUser | null;
 		}
 	}
@@ -136,8 +136,12 @@ export class ApDbResolverService implements OnApplicationShutdown {
 
 		if (key == null) return null;
 
+		const user = await this.cacheService.findUserById(key.userId).catch(() => null) as MiRemoteUser | null;
+		if (user == null) return null;
+		if (user.isDeleted) return null;
+
 		return {
-			user: await this.cacheService.findUserById(key.userId) as MiRemoteUser,
+			user,
 			key,
 		};
 	}
@@ -151,6 +155,7 @@ export class ApDbResolverService implements OnApplicationShutdown {
 		key: MiUserPublickey | null;
 	} | null> {
 		const user = await this.apPersonService.resolvePerson(uri) as MiRemoteUser;
+		if (user.isDeleted) return null;
 
 		const key = await this.publicKeyByUserIdCache.fetch(
 			user.id,
diff --git a/packages/backend/src/core/activitypub/ApDeliverManagerService.ts b/packages/backend/src/core/activitypub/ApDeliverManagerService.ts
index 81003bcf1c..5d07cd8e8f 100644
--- a/packages/backend/src/core/activitypub/ApDeliverManagerService.ts
+++ b/packages/backend/src/core/activitypub/ApDeliverManagerService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -144,7 +144,7 @@ class DeliverManager {
 		}
 
 		// deliver
-		this.queueService.deliverMany(this.actor, this.activity, inboxes);
+		await this.queueService.deliverMany(this.actor, this.activity, inboxes);
 	}
 }
 
diff --git a/packages/backend/src/core/activitypub/ApInboxService.ts b/packages/backend/src/core/activitypub/ApInboxService.ts
index d8616d293d..6ff03b22e1 100644
--- a/packages/backend/src/core/activitypub/ApInboxService.ts
+++ b/packages/backend/src/core/activitypub/ApInboxService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -27,6 +27,7 @@ import { QueueService } from '@/core/QueueService.js';
 import type { UsersRepository, NotesRepository, FollowingsRepository, AbuseUserReportsRepository, FollowRequestsRepository } from '@/models/_.js';
 import { bindThis } from '@/decorators.js';
 import type { MiRemoteUser } from '@/models/User.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import { getApHrefNullable, getApId, getApIds, getApType, isAccept, isActor, isAdd, isAnnounce, isBlock, isCollection, isCollectionOrOrderedCollection, isCreate, isDelete, isFlag, isFollow, isLike, isMove, isPost, isReject, isRemove, isTombstone, isUndo, isUpdate, validActor, validPost } from './type.js';
 import { ApNoteService } from './models/ApNoteService.js';
 import { ApLoggerService } from './ApLoggerService.js';
@@ -35,6 +36,7 @@ import { ApResolverService } from './ApResolverService.js';
 import { ApAudienceService } from './ApAudienceService.js';
 import { ApPersonService } from './models/ApPersonService.js';
 import { ApQuestionService } from './models/ApQuestionService.js';
+import { GlobalEventService } from '@/core/GlobalEventService.js';
 import type { Resolver } from './ApResolverService.js';
 import type { IAccept, IAdd, IAnnounce, IBlock, ICreate, IDelete, IFlag, IFollow, ILike, IObject, IReject, IRemove, IUndo, IUpdate, IMove } from './type.js';
 
@@ -82,6 +84,7 @@ export class ApInboxService {
 		private apPersonService: ApPersonService,
 		private apQuestionService: ApQuestionService,
 		private queueService: QueueService,
+		private globalEventService: GlobalEventService,
 	) {
 		this.logger = this.apLoggerService.logger;
 	}
@@ -97,6 +100,8 @@ export class ApInboxService {
 				} catch (err) {
 					if (err instanceof Error || typeof err === 'string') {
 						this.logger.error(err);
+					} else {
+						throw err;
 					}
 				}
 			}
@@ -256,7 +261,7 @@ export class ApInboxService {
 
 		const targetUri = getApId(activity.object);
 
-		this.announceNote(actor, activity, targetUri);
+		await this.announceNote(actor, activity, targetUri);
 	}
 
 	@bindThis
@@ -288,7 +293,7 @@ export class ApInboxService {
 			} catch (err) {
 				// 対象が4xxならスキップ
 				if (err instanceof StatusError) {
-					if (err.isClientError) {
+					if (!err.isRetryable) {
 						this.logger.warn(`Ignored announce target ${targetUri} - ${err.statusCode}`);
 						return;
 					}
@@ -373,7 +378,7 @@ export class ApInboxService {
 		});
 
 		if (isPost(object)) {
-			this.createNote(resolver, actor, object, false, activity);
+			await this.createNote(resolver, actor, object, false, activity);
 		} else {
 			this.logger.warn(`Unknown type: ${getApType(object)}`);
 		}
@@ -404,7 +409,7 @@ export class ApInboxService {
 			await this.apNoteService.createNote(note, resolver, silent);
 			return 'ok';
 		} catch (err) {
-			if (err instanceof StatusError && err.isClientError) {
+			if (err instanceof StatusError && !err.isRetryable) {
 				return `skip ${err.statusCode}`;
 			} else {
 				throw err;
@@ -477,6 +482,8 @@ export class ApInboxService {
 			isDeleted: true,
 		});
 
+		this.globalEventService.publishInternalEvent('remoteUserUpdated', { id: actor.id });
+
 		return `ok: queued ${job.name} ${job.id}`;
 	}
 
@@ -513,7 +520,7 @@ export class ApInboxService {
 		const userIds = uris
 			.filter(uri => uri.startsWith(this.config.url + '/users/'))
 			.map(uri => uri.split('/').at(-1))
-			.filter((userId): userId is string => userId !== undefined);
+			.filter(isNotNull);
 		const users = await this.usersRepository.findBy({
 			id: In(userIds),
 		});
@@ -627,7 +634,7 @@ export class ApInboxService {
 			return 'skip: follower not found';
 		}
 
-		const isFollowing = await this.followingsRepository.exist({
+		const isFollowing = await this.followingsRepository.exists({
 			where: {
 				followerId: follower.id,
 				followeeId: actor.id,
@@ -684,14 +691,14 @@ export class ApInboxService {
 			return 'skip: フォロー解除しようとしているユーザーはローカルユーザーではありません';
 		}
 
-		const requestExist = await this.followRequestsRepository.exist({
+		const requestExist = await this.followRequestsRepository.exists({
 			where: {
 				followerId: actor.id,
 				followeeId: followee.id,
 			},
 		});
 
-		const isFollowing = await this.followingsRepository.exist({
+		const isFollowing = await this.followingsRepository.exists({
 			where: {
 				followerId: actor.id,
 				followeeId: followee.id,
diff --git a/packages/backend/src/core/activitypub/ApLoggerService.ts b/packages/backend/src/core/activitypub/ApLoggerService.ts
index cd9597e423..428d8061ce 100644
--- a/packages/backend/src/core/activitypub/ApLoggerService.ts
+++ b/packages/backend/src/core/activitypub/ApLoggerService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/activitypub/ApMfmService.ts b/packages/backend/src/core/activitypub/ApMfmService.ts
index c19eb310d2..6d53ce5147 100644
--- a/packages/backend/src/core/activitypub/ApMfmService.ts
+++ b/packages/backend/src/core/activitypub/ApMfmService.ts
@@ -1,10 +1,10 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 import { Injectable } from '@nestjs/common';
-import * as mfm from '@sharkey/sfm-js';
+import * as mfm from '@transfem-org/sfm-js';
 import { MfmService } from '@/core/MfmService.js';
 import type { MiNote } from '@/models/Note.js';
 import { bindThis } from '@/decorators.js';
@@ -25,8 +25,21 @@ export class ApMfmService {
 	}
 
 	@bindThis
-	public getNoteHtml(note: MiNote): string | null {
-		if (!note.text) return '';
-		return this.mfmService.toHtml(mfm.parse(note.text), note.mentionedRemoteUsers ? JSON.parse(note.mentionedRemoteUsers) : []);
+	public getNoteHtml(note: MiNote, apAppend?: string) {
+		let noMisskeyContent = false;
+		const srcMfm = (note.text ?? '') + (apAppend ?? '');
+
+		const parsed = mfm.parse(srcMfm);
+
+		if (!apAppend && parsed?.every(n => ['text', 'unicodeEmoji', 'emojiCode', 'mention', 'hashtag', 'url'].includes(n.type))) {
+			noMisskeyContent = true;
+		}
+
+		const content = this.mfmService.toHtml(parsed, note.mentionedRemoteUsers ? JSON.parse(note.mentionedRemoteUsers) : []);
+
+		return {
+			content,
+			noMisskeyContent,
+		};
 	}
 }
diff --git a/packages/backend/src/core/activitypub/ApRendererService.ts b/packages/backend/src/core/activitypub/ApRendererService.ts
index f4d39d2408..a84feffac6 100644
--- a/packages/backend/src/core/activitypub/ApRendererService.ts
+++ b/packages/backend/src/core/activitypub/ApRendererService.ts
@@ -1,12 +1,12 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 import { createPublicKey, randomUUID } from 'node:crypto';
 import { Inject, Injectable } from '@nestjs/common';
 import { In } from 'typeorm';
-import * as mfm from '@sharkey/sfm-js';
+import * as mfm from '@transfem-org/sfm-js';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
 import type { MiPartialLocalUser, MiLocalUser, MiPartialRemoteUser, MiRemoteUser, MiUser } from '@/models/User.js';
@@ -28,10 +28,10 @@ import { bindThis } from '@/decorators.js';
 import { CustomEmojiService } from '@/core/CustomEmojiService.js';
 import { isNotNull } from '@/misc/is-not-null.js';
 import { IdService } from '@/core/IdService.js';
+import { MetaService } from '../MetaService.js';
 import { LdSignatureService } from './LdSignatureService.js';
 import { ApMfmService } from './ApMfmService.js';
 import type { IAccept, IActivity, IAdd, IAnnounce, IApDocument, IApEmoji, IApHashtag, IApImage, IApMention, IBlock, ICreate, IDelete, IFlag, IFollow, IKey, ILike, IMove, IObject, IPost, IQuestion, IReject, IRemove, ITombstone, IUndo, IUpdate } from './type.js';
-import { MetaService } from '../MetaService.js';
 
 @Injectable()
 export class ApRendererService {
@@ -335,7 +335,7 @@ export class ApRendererService {
 		const getPromisedFiles = async (ids: string[]): Promise<MiDriveFile[]> => {
 			if (ids.length === 0) return [];
 			const items = await this.driveFilesRepository.findBy({ id: In(ids) });
-			return ids.map(id => items.find(item => item.id === id)).filter((item): item is MiDriveFile => item != null);
+			return ids.map(id => items.find(item => item.id === id)).filter(isNotNull);
 		};
 
 		let inReplyTo;
@@ -345,7 +345,7 @@ export class ApRendererService {
 			inReplyToNote = await this.notesRepository.findOneBy({ id: note.replyId });
 
 			if (inReplyToNote != null) {
-				const inReplyToUserExist = await this.usersRepository.exist({ where: { id: inReplyToNote.userId } });
+				const inReplyToUserExist = await this.usersRepository.exists({ where: { id: inReplyToNote.userId } });
 
 				if (inReplyToUserExist) {
 					if (inReplyToNote.uri) {
@@ -409,17 +409,15 @@ export class ApRendererService {
 			poll = await this.pollsRepository.findOneBy({ noteId: note.id });
 		}
 
-		let apText = text;
+		let apAppend = '';
 
 		if (quote) {
-			apText += `\n\nRE: ${quote}`;
+			apAppend += `\n\nRE: ${quote}`;
 		}
 
 		const summary = note.cw === '' ? String.fromCharCode(0x200B) : note.cw;
 
-		const content = this.apMfmService.getNoteHtml(Object.assign({}, note, {
-			text: apText,
-		}));
+		const { content, noMisskeyContent } = this.apMfmService.getNoteHtml(note, apAppend);
 
 		const emojis = await this.getEmojis(note.emojis);
 		const apemojis = emojis.filter(emoji => !emoji.localOnly).map(emoji => this.renderEmoji(emoji));
@@ -432,9 +430,6 @@ export class ApRendererService {
 
 		const asPoll = poll ? {
 			type: 'Question',
-			content: this.apMfmService.getNoteHtml(Object.assign({}, note, {
-				text: text,
-			})),
 			[poll.expiresAt && poll.expiresAt < new Date() ? 'closed' : 'endTime']: poll.expiresAt,
 			[poll.multiple ? 'anyOf' : 'oneOf']: poll.choices.map((text, i) => ({
 				type: 'Note',
@@ -452,11 +447,13 @@ export class ApRendererService {
 			attributedTo,
 			summary: summary ?? undefined,
 			content: content ?? undefined,
-			_misskey_content: text,
-			source: {
-				content: text,
-				mediaType: 'text/x.misskeymarkdown',
-			},
+			...(noMisskeyContent ? {} : {
+				_misskey_content: text,
+				source: {
+					content: text,
+					mediaType: 'text/x.misskeymarkdown',
+				},
+			}),
 			_misskey_quote: quote,
 			quoteUrl: quote,
 			quoteUri: quote,
@@ -639,7 +636,7 @@ export class ApRendererService {
 			inReplyToNote = await this.notesRepository.findOneBy({ id: note.replyId });
 
 			if (inReplyToNote != null) {
-				const inReplyToUserExist = await this.usersRepository.exist({ where: { id: inReplyToNote.userId } });
+				const inReplyToUserExist = await this.usersRepository.exists({ where: { id: inReplyToNote.userId } });
 
 				if (inReplyToUserExist) {
 					if (inReplyToNote.uri) {
@@ -703,17 +700,15 @@ export class ApRendererService {
 			poll = await this.pollsRepository.findOneBy({ noteId: note.id });
 		}
 
-		let apText = text;
+		let apAppend = '';
 
 		if (quote) {
-			apText += `\n\nRE: ${quote}`;
+			apAppend += `\n\nRE: ${quote}`;
 		}
 
 		const summary = note.cw === '' ? String.fromCharCode(0x200B) : note.cw;
 
-		const content = this.apMfmService.getNoteHtml(Object.assign({}, note, {
-			text: apText,
-		}));
+		const { content, noMisskeyContent } = this.apMfmService.getNoteHtml(note, apAppend);
 
 		const emojis = await this.getEmojis(note.emojis);
 		const apemojis = emojis.filter(emoji => !emoji.localOnly).map(emoji => this.renderEmoji(emoji));
@@ -726,9 +721,6 @@ export class ApRendererService {
 
 		const asPoll = poll ? {
 			type: 'Question',
-			content: this.apMfmService.getNoteHtml(Object.assign({}, note, {
-				text: text,
-			})),
 			[poll.expiresAt && poll.expiresAt < new Date() ? 'closed' : 'endTime']: poll.expiresAt,
 			[poll.multiple ? 'anyOf' : 'oneOf']: poll.choices.map((text, i) => ({
 				type: 'Note',
@@ -747,11 +739,13 @@ export class ApRendererService {
 			summary: summary ?? undefined,
 			content: content ?? undefined,
 			updated: note.updatedAt?.toISOString(),
-			_misskey_content: text,
-			source: {
-				content: text,
-				mediaType: 'text/x.misskeymarkdown',
-			},
+			...(noMisskeyContent ? {} : {
+				_misskey_content: text,
+				source: {
+					content: text,
+					mediaType: 'text/x.misskeymarkdown',
+				},
+			}),
 			_misskey_quote: quote,
 			quoteUrl: quote,
 			quoteUri: quote,
@@ -796,6 +790,7 @@ export class ApRendererService {
 				'https://www.w3.org/ns/activitystreams',
 				'https://w3id.org/security/v1',
 				{
+					Key: 'sec:Key',
 					// as non-standards
 					manuallyApprovesFollowers: 'as:manuallyApprovesFollowers',
 					sensitive: 'as:sensitive',
@@ -821,12 +816,12 @@ export class ApRendererService {
 					'_misskey_summary': 'misskey:_misskey_summary',
 					'isCat': 'misskey:isCat',
 					// Firefish
-					firefish: "https://joinfirefish.org/ns#",
-					speakAsCat: "firefish:speakAsCat",
+					firefish: 'https://joinfirefish.org/ns#',
+					speakAsCat: 'firefish:speakAsCat',
 					// Sharkey
-					sharkey: "https://joinsharkey.org/ns#",
-					backgroundUrl: "sharkey:backgroundUrl",
-					listenbrainz: "sharkey:listenbrainz",
+					sharkey: 'https://joinsharkey.org/ns#',
+					backgroundUrl: 'sharkey:backgroundUrl',
+					listenbrainz: 'sharkey:listenbrainz',
 					// vcard
 					vcard: 'http://www.w3.org/2006/vcard/ns#',
 				},
diff --git a/packages/backend/src/core/activitypub/ApRequestService.ts b/packages/backend/src/core/activitypub/ApRequestService.ts
index bd7b9bdf09..93ac8ce9a7 100644
--- a/packages/backend/src/core/activitypub/ApRequestService.ts
+++ b/packages/backend/src/core/activitypub/ApRequestService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -35,9 +35,9 @@ type PrivateKey = {
 };
 
 export class ApRequestCreator {
-	static createSignedPost(args: { key: PrivateKey, url: string, body: string, additionalHeaders: Record<string, string> }): Signed {
+	static createSignedPost(args: { key: PrivateKey, url: string, body: string, digest?: string, additionalHeaders: Record<string, string> }): Signed {
 		const u = new URL(args.url);
-		const digestHeader = `SHA-256=${crypto.createHash('sha256').update(args.body).digest('base64')}`;
+		const digestHeader = args.digest ?? this.createDigest(args.body);
 
 		const request: Request = {
 			url: u.href,
@@ -60,6 +60,10 @@ export class ApRequestCreator {
 		};
 	}
 
+	static createDigest(body: string) {
+		return `SHA-256=${crypto.createHash('sha256').update(body).digest('base64')}`;
+	}
+
 	static createSignedGet(args: { key: PrivateKey, url: string, additionalHeaders: Record<string, string> }): Signed {
 		const u = new URL(args.url);
 
@@ -146,8 +150,8 @@ export class ApRequestService {
 	}
 
 	@bindThis
-	public async signedPost(user: { id: MiUser['id'] }, url: string, object: unknown): Promise<void> {
-		const body = JSON.stringify(object);
+	public async signedPost(user: { id: MiUser['id'] }, url: string, object: unknown, digest?: string): Promise<void> {
+		const body = typeof object === 'string' ? object : JSON.stringify(object);
 
 		const keypair = await this.userKeypairService.getUserKeypair(user.id);
 
@@ -158,6 +162,7 @@ export class ApRequestService {
 			},
 			url,
 			body,
+			digest,
 			additionalHeaders: {
 			},
 		});
diff --git a/packages/backend/src/core/activitypub/ApResolverService.ts b/packages/backend/src/core/activitypub/ApResolverService.ts
index 870cf6372a..bb3c40f093 100644
--- a/packages/backend/src/core/activitypub/ApResolverService.ts
+++ b/packages/backend/src/core/activitypub/ApResolverService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/activitypub/LdSignatureService.ts b/packages/backend/src/core/activitypub/LdSignatureService.ts
index d8464b3839..9de184336f 100644
--- a/packages/backend/src/core/activitypub/LdSignatureService.ts
+++ b/packages/backend/src/core/activitypub/LdSignatureService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/activitypub/misc/contexts.ts b/packages/backend/src/core/activitypub/misc/contexts.ts
index 71c440e5cc..88afdefcd3 100644
--- a/packages/backend/src/core/activitypub/misc/contexts.ts
+++ b/packages/backend/src/core/activitypub/misc/contexts.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/activitypub/models/ApImageService.ts b/packages/backend/src/core/activitypub/models/ApImageService.ts
index 2eff7c64e0..1017a5018a 100644
--- a/packages/backend/src/core/activitypub/models/ApImageService.ts
+++ b/packages/backend/src/core/activitypub/models/ApImageService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/activitypub/models/ApMentionService.ts b/packages/backend/src/core/activitypub/models/ApMentionService.ts
index 9aa8ba5ede..0ced7e88af 100644
--- a/packages/backend/src/core/activitypub/models/ApMentionService.ts
+++ b/packages/backend/src/core/activitypub/models/ApMentionService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -8,6 +8,7 @@ import promiseLimit from 'promise-limit';
 import type { MiUser } from '@/models/_.js';
 import { toArray, unique } from '@/misc/prelude/array.js';
 import { bindThis } from '@/decorators.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import { isMention } from '../type.js';
 import { Resolver } from '../ApResolverService.js';
 import { ApPersonService } from './ApPersonService.js';
@@ -27,7 +28,7 @@ export class ApMentionService {
 		const limit = promiseLimit<MiUser | null>(2);
 		const mentionedUsers = (await Promise.all(
 			hrefs.map(x => limit(() => this.apPersonService.resolvePerson(x, resolver).catch(() => null))),
-		)).filter((x): x is MiUser => x != null);
+		)).filter(isNotNull);
 
 		return mentionedUsers;
 	}
diff --git a/packages/backend/src/core/activitypub/models/ApNoteService.ts b/packages/backend/src/core/activitypub/models/ApNoteService.ts
index 2595783e04..6d9dc86c16 100644
--- a/packages/backend/src/core/activitypub/models/ApNoteService.ts
+++ b/packages/backend/src/core/activitypub/models/ApNoteService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -25,6 +25,8 @@ import { StatusError } from '@/misc/status-error.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { bindThis } from '@/decorators.js';
 import { checkHttps } from '@/misc/check-https.js';
+import { IdentifiableError } from '@/misc/identifiable-error.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import { getOneApId, getApId, getOneApHrefNullable, validPost, isEmoji, getApType } from '../type.js';
 import { ApLoggerService } from '../ApLoggerService.js';
 import { ApMfmService } from '../ApMfmService.js';
@@ -156,11 +158,47 @@ export class ApNoteService {
 			throw new Error('invalid note.attributedTo: ' + note.attributedTo);
 		}
 
-		const actor = await this.apPersonService.resolvePerson(getOneApId(note.attributedTo), resolver) as MiRemoteUser;
+		const uri = getOneApId(note.attributedTo);
 
-		// 投稿者が凍結されていたらスキップ
+		// ローカルで投稿者を検索し、もし凍結されていたらスキップ
+		const cachedActor = await this.apPersonService.fetchPerson(uri) as MiRemoteUser;
+		if (cachedActor && cachedActor.isSuspended) {
+			throw new IdentifiableError('85ab9bd7-3a41-4530-959d-f07073900109', 'actor has been suspended');
+		}
+
+		const apMentions = await this.apMentionService.extractApMentions(note.tag, resolver);
+		const apHashtags = extractApHashtags(note.tag);
+
+		const cw = note.summary === '' ? null : note.summary;
+
+		// テキストのパース
+		let text: string | null = null;
+		if (note.source?.mediaType === 'text/x.misskeymarkdown' && typeof note.source.content === 'string') {
+			text = note.source.content;
+		} else if (typeof note._misskey_content !== 'undefined') {
+			text = note._misskey_content;
+		} else if (typeof note.content === 'string') {
+			text = this.apMfmService.htmlToMfm(note.content, note.tag);
+		}
+
+		const poll = await this.apQuestionService.extractPollFromQuestion(note, resolver).catch(() => undefined);
+
+		//#region Contents Check
+		// 添付ファイルとユーザーをこのサーバーで登録する前に内容をチェックする
+		/**
+		 * 禁止ワードチェック
+		 */
+		const hasProhibitedWords = await this.noteCreateService.checkProhibitedWordsContain({ cw, text, pollChoices: poll?.choices });
+		if (hasProhibitedWords) {
+			throw new IdentifiableError('689ee33f-f97c-479a-ac49-1b9f8140af99', 'Note contains prohibited words');
+		}
+		//#endregion
+
+		const actor = cachedActor ?? await this.apPersonService.resolvePerson(uri, resolver) as MiRemoteUser;
+
+		// 解決した投稿者が凍結されていたらスキップ
 		if (actor.isSuspended) {
-			throw new Error('actor has been suspended');
+			throw new IdentifiableError('85ab9bd7-3a41-4530-959d-f07073900109', 'actor has been suspended');
 		}
 
 		const noteAudience = await this.apAudienceService.parseAudience(actor, note.to, note.cc, resolver);
@@ -175,9 +213,6 @@ export class ApNoteService {
 			}
 		}
 
-		const apMentions = await this.apMentionService.extractApMentions(note.tag, resolver);
-		const apHashtags = extractApHashtags(note.tag);
-
 		// 添付ファイル
 		// TODO: attachmentは必ずしもImageではない
 		// TODO: attachmentは必ずしも配列ではない
@@ -221,12 +256,12 @@ export class ApNoteService {
 					return { status: 'ok', res };
 				} catch (e) {
 					return {
-						status: (e instanceof StatusError && e.isClientError) ? 'permerror' : 'temperror',
+						status: (e instanceof StatusError && !e.isRetryable) ? 'permerror' : 'temperror',
 					};
 				}
 			};
 
-			const uris = unique([note._misskey_quote, note.quoteUrl, note.quoteUri].filter((x): x is string => typeof x === 'string'));
+			const uris = unique([note._misskey_quote, note.quoteUrl, note.quoteUri].filter(isNotNull));
 			const results = await Promise.all(uris.map(tryResolveNote));
 
 			quote = results.filter((x): x is { status: 'ok', res: MiNote } => x.status === 'ok').map(x => x.res).at(0);
@@ -237,18 +272,6 @@ export class ApNoteService {
 			}
 		}
 
-		const cw = note.summary === '' ? null : note.summary;
-
-		// テキストのパース
-		let text: string | null = null;
-		if (note.source?.mediaType === 'text/x.misskeymarkdown' && typeof note.source.content === 'string') {
-			text = note.source.content;
-		} else if (typeof note._misskey_content !== 'undefined') {
-			text = note._misskey_content;
-		} else if (typeof note.content === 'string') {
-			text = this.apMfmService.htmlToMfm(note.content, note.tag);
-		}
-
 		// vote
 		if (reply && reply.hasPoll) {
 			const poll = await this.pollsRepository.findOneByOrFail({ noteId: reply.id });
@@ -278,8 +301,6 @@ export class ApNoteService {
 
 		const apEmojis = emojis.map(emoji => emoji.name);
 
-		const poll = await this.apQuestionService.extractPollFromQuestion(note, resolver).catch(() => undefined);
-
 		try {
 			return await this.noteCreateService.create(actor, {
 				createdAt: note.published ? new Date(note.published) : null,
@@ -317,14 +338,14 @@ export class ApNoteService {
 	 */
 	@bindThis
 	public async updateNote(value: string | IObject, resolver?: Resolver, silent = false): Promise<MiNote | null> {
-		const uri = typeof value === 'string' ? value : value.id;
-		if (uri == null) throw new Error('uri is null');
+		const noteUri = typeof value === 'string' ? value : value.id;
+		if (noteUri == null) throw new Error('uri is null');
 
 		// URIがこのサーバーを指しているならスキップ
-		if (uri.startsWith(this.config.url + '/')) throw new Error('uri points local');
+		if (noteUri.startsWith(this.config.url + '/')) throw new Error('uri points local');
 
 		//#region このサーバーに既に登録されているか
-		const UpdatedNote = await this.notesRepository.findOneBy({ uri });
+		const UpdatedNote = await this.notesRepository.findOneBy({ uri: noteUri });
 		if (UpdatedNote == null) throw new Error('Note is not registered');
 
 		// eslint-disable-next-line no-param-reassign
@@ -364,11 +385,47 @@ export class ApNoteService {
 			throw new Error('invalid note.attributedTo: ' + note.attributedTo);
 		}
 
-		const actor = await this.apPersonService.resolvePerson(getOneApId(note.attributedTo), resolver) as MiRemoteUser;
+		const uri = getOneApId(note.attributedTo);
+
+		// ローカルで投稿者を検索し、もし凍結されていたらスキップ
+		const cachedActor = await this.apPersonService.fetchPerson(uri) as MiRemoteUser;
+		if (cachedActor && cachedActor.isSuspended) {
+			throw new IdentifiableError('85ab9bd7-3a41-4530-959d-f07073900109', 'actor has been suspended');
+		}
+
+		const apMentions = await this.apMentionService.extractApMentions(note.tag, resolver);
+		const apHashtags = extractApHashtags(note.tag);
+
+		const cw = note.summary === '' ? null : note.summary;
+
+		// テキストのパース
+		let text: string | null = null;
+		if (note.source?.mediaType === 'text/x.misskeymarkdown' && typeof note.source.content === 'string') {
+			text = note.source.content;
+		} else if (typeof note._misskey_content !== 'undefined') {
+			text = note._misskey_content;
+		} else if (typeof note.content === 'string') {
+			text = this.apMfmService.htmlToMfm(note.content, note.tag);
+		}
+
+		const poll = await this.apQuestionService.extractPollFromQuestion(note, resolver).catch(() => undefined);
+
+		//#region Contents Check
+		// 添付ファイルとユーザーをこのサーバーで登録する前に内容をチェックする
+		/**
+		 * 禁止ワードチェック
+		 */
+		const hasProhibitedWords = await this.noteCreateService.checkProhibitedWordsContain({ cw, text, pollChoices: poll?.choices });
+		if (hasProhibitedWords) {
+			throw new IdentifiableError('689ee33f-f97c-479a-ac49-1b9f8140af99', 'Note contains prohibited words');
+		}
+		//#endregion
+
+		const actor = cachedActor ?? await this.apPersonService.resolvePerson(uri, resolver) as MiRemoteUser;
 
 		// 投稿者が凍結されていたらスキップ
 		if (actor.isSuspended) {
-			throw new Error('actor has been suspended');
+			throw new IdentifiableError('85ab9bd7-3a41-4530-959d-f07073900109', 'actor has been suspended');
 		}
 
 		const noteAudience = await this.apAudienceService.parseAudience(actor, note.to, note.cc, resolver);
@@ -383,9 +440,6 @@ export class ApNoteService {
 			}
 		}
 
-		const apMentions = await this.apMentionService.extractApMentions(note.tag, resolver);
-		const apHashtags = extractApHashtags(note.tag);
-
 		// 添付ファイル
 		// TODO: attachmentは必ずしもImageではない
 		// TODO: attachmentは必ずしも配列ではない
@@ -445,24 +499,12 @@ export class ApNoteService {
 			}
 		}
 
-		const cw = note.summary === '' ? null : note.summary;
-
-		// テキストのパース
-		let text: string | null = null;
-		if (note.source?.mediaType === 'text/x.misskeymarkdown' && typeof note.source.content === 'string') {
-			text = note.source.content;
-		} else if (typeof note._misskey_content !== 'undefined') {
-			text = note._misskey_content;
-		} else if (typeof note.content === 'string') {
-			text = this.apMfmService.htmlToMfm(note.content, note.tag);
-		}
-
 		// vote
 		if (reply && reply.hasPoll) {
-			const poll = await this.pollsRepository.findOneByOrFail({ noteId: reply.id });
+			const replyPoll = await this.pollsRepository.findOneByOrFail({ noteId: reply.id });
 
 			const tryCreateVote = async (name: string, index: number): Promise<null> => {
-				if (poll.expiresAt && Date.now() > new Date(poll.expiresAt).getTime()) {
+				if (replyPoll.expiresAt && Date.now() > new Date(replyPoll.expiresAt).getTime()) {
 					this.logger.warn(`vote to expired poll from AP: actor=${actor.username}@${actor.host}, note=${note.id}, choice=${name}`);
 				} else if (index >= 0) {
 					this.logger.info(`vote from AP: actor=${actor.username}@${actor.host}, note=${note.id}, choice=${name}`);
@@ -475,7 +517,7 @@ export class ApNoteService {
 			};
 
 			if (note.name) {
-				return await tryCreateVote(note.name, poll.choices.findIndex(x => x === note.name));
+				return await tryCreateVote(note.name, replyPoll.choices.findIndex(x => x === note.name));
 			}
 		}
 
@@ -486,8 +528,6 @@ export class ApNoteService {
 
 		const apEmojis = emojis.map(emoji => emoji.name);
 
-		const poll = await this.apQuestionService.extractPollFromQuestion(note, resolver).catch(() => undefined);
-
 		try {
 			return await this.noteEditService.edit(actor, UpdatedNote.id, {
 				createdAt: note.published ? new Date(note.published) : null,
diff --git a/packages/backend/src/core/activitypub/models/ApPersonService.ts b/packages/backend/src/core/activitypub/models/ApPersonService.ts
index 8507c6f949..c489d38d90 100644
--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -38,6 +38,7 @@ import { MetaService } from '@/core/MetaService.js';
 import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
 import type { AccountMoveService } from '@/core/AccountMoveService.js';
 import { checkHttps } from '@/misc/check-https.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import { getApId, getApType, getOneApHrefNullable, isActor, isCollection, isCollectionOrOrderedCollection, isPropertyValue } from '../type.js';
 import { extractApHashtags } from './tag.js';
 import type { OnModuleInit } from '@nestjs/common';
@@ -225,23 +226,42 @@ export class ApPersonService implements OnModuleInit {
 		return null;
 	}
 
-	private async resolveAvatarAndBanner(user: MiRemoteUser, icon: any, image: any, bgimg: any): Promise<Pick<MiRemoteUser, 'avatarId' | 'bannerId' | 'backgroundId' | 'avatarUrl' | 'bannerUrl' | 'backgroundUrl' | 'avatarBlurhash' | 'bannerBlurhash' | 'backgroundBlurhash'>> {
+	private async resolveAvatarAndBanner(user: MiRemoteUser, icon: any, image: any, bgimg: any): Promise<Partial<Pick<MiRemoteUser, 'avatarId' | 'bannerId' | 'backgroundId' | 'avatarUrl' | 'bannerUrl' | 'backgroundUrl' | 'avatarBlurhash' | 'bannerBlurhash' | 'backgroundBlurhash'>>> {
+		if (user == null) throw new Error('failed to create user: user is null');
+
 		const [avatar, banner, background] = await Promise.all([icon, image, bgimg].map(img => {
-			if (img == null) return null;
-			if (user == null) throw new Error('failed to create user: user is null');
+			// if we have an explicitly missing image, return an
+			// explicitly-null set of values
+			if ((img == null) || (typeof img === 'object' && img.url == null)) {
+				return { id: null, url: null, blurhash: null };
+			}
+
 			return this.apImageService.resolveImage(user, img).catch(() => null);
 		}));
 
+		/*
+			we don't want to return nulls on errors! if the database fields
+			are already null, nothing changes; if the database has old
+			values, we should keep those. The exception is if the remote has
+			actually removed the images: in that case, the block above
+			returns the special {id:null}&c value, and we return those
+		*/
 		return {
-			avatarId: avatar?.id ?? null,
-			bannerId: banner?.id ?? null,
-			backgroundId: background?.id ?? null,
-			avatarUrl: avatar ? this.driveFileEntityService.getPublicUrl(avatar, 'avatar') : null,
-			bannerUrl: banner ? this.driveFileEntityService.getPublicUrl(banner) : null,
-			backgroundUrl: background ? this.driveFileEntityService.getPublicUrl(background) : null,
-			avatarBlurhash: avatar?.blurhash ?? null,
-			bannerBlurhash: banner?.blurhash ?? null,
-			backgroundBlurhash: background?.blurhash ?? null
+			...( avatar ? {
+				avatarId: avatar.id,
+				avatarUrl: avatar.url ? this.driveFileEntityService.getPublicUrl(avatar, 'avatar') : null,
+				avatarBlurhash: avatar.blurhash,
+			} : {}),
+			...( banner ? {
+				bannerId: banner.id,
+				bannerUrl: banner.url ? this.driveFileEntityService.getPublicUrl(banner) : null,
+				bannerBlurhash: banner.blurhash,
+			} : {}),
+			...( background ? {
+				backgroundId: background.id,
+				backgroundUrl: background.url ? this.driveFileEntityService.getPublicUrl(background) : null,
+				backgroundBlurhash: background.blurhash,
+			} : {}),
 		};
 	}
 
@@ -640,7 +660,7 @@ export class ApPersonService implements OnModuleInit {
 
 			// とりあえずidを別の時間で生成して順番を維持
 			let td = 0;
-			for (const note of featuredNotes.filter((note): note is MiNote => note != null)) {
+			for (const note of featuredNotes.filter(isNotNull)) {
 				td -= 1000;
 				transactionalEntityManager.insert(MiUserNotePining, {
 					id: this.idService.gen(Date.now() + td),
diff --git a/packages/backend/src/core/activitypub/models/ApQuestionService.ts b/packages/backend/src/core/activitypub/models/ApQuestionService.ts
index 27bd62268b..d1936cfe1d 100644
--- a/packages/backend/src/core/activitypub/models/ApQuestionService.ts
+++ b/packages/backend/src/core/activitypub/models/ApQuestionService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -10,6 +10,7 @@ import type { Config } from '@/config.js';
 import type { IPoll } from '@/models/Poll.js';
 import type Logger from '@/logger.js';
 import { bindThis } from '@/decorators.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import { isQuestion } from '../type.js';
 import { ApLoggerService } from '../ApLoggerService.js';
 import { ApResolverService } from '../ApResolverService.js';
@@ -51,7 +52,7 @@ export class ApQuestionService {
 
 		const choices = question[multiple ? 'anyOf' : 'oneOf']
 			?.map((x) => x.name)
-			.filter((x): x is string => typeof x === 'string')
+			.filter(isNotNull)
 			?? [];
 
 		const votes = question[multiple ? 'anyOf' : 'oneOf']?.map((x) => x.replies?.totalItems ?? x._misskey_votes ?? 0);
diff --git a/packages/backend/src/core/activitypub/models/icon.ts b/packages/backend/src/core/activitypub/models/icon.ts
index 9fed78020d..5722507a3b 100644
--- a/packages/backend/src/core/activitypub/models/icon.ts
+++ b/packages/backend/src/core/activitypub/models/icon.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/activitypub/models/identifier.ts b/packages/backend/src/core/activitypub/models/identifier.ts
index 22a7b0a76e..dce4f410b4 100644
--- a/packages/backend/src/core/activitypub/models/identifier.ts
+++ b/packages/backend/src/core/activitypub/models/identifier.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/activitypub/models/tag.ts b/packages/backend/src/core/activitypub/models/tag.ts
index 772ea11864..e7ceec3262 100644
--- a/packages/backend/src/core/activitypub/models/tag.ts
+++ b/packages/backend/src/core/activitypub/models/tag.ts
@@ -1,9 +1,10 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
 import { toArray } from '@/misc/prelude/array.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import { isHashtag } from '../type.js';
 import type { IObject, IApHashtag } from '../type.js';
 
@@ -15,7 +16,7 @@ export function extractApHashtags(tags: IObject | IObject[] | null | undefined):
 	return hashtags.map(tag => {
 		const m = tag.name.match(/^#(.+)/);
 		return m ? m[1] : null;
-	}).filter((x): x is string => x != null);
+	}).filter(isNotNull);
 }
 
 export function extractApHashtagObjects(tags: IObject | IObject[] | null | undefined): IApHashtag[] {
diff --git a/packages/backend/src/core/activitypub/type.ts b/packages/backend/src/core/activitypub/type.ts
index ce3317ef72..716515840c 100644
--- a/packages/backend/src/core/activitypub/type.ts
+++ b/packages/backend/src/core/activitypub/type.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/ChartLoggerService.ts b/packages/backend/src/core/chart/ChartLoggerService.ts
index bd90efec64..afc728d564 100644
--- a/packages/backend/src/core/chart/ChartLoggerService.ts
+++ b/packages/backend/src/core/chart/ChartLoggerService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/ChartManagementService.ts b/packages/backend/src/core/chart/ChartManagementService.ts
index f751a68cb4..79681370a1 100644
--- a/packages/backend/src/core/chart/ChartManagementService.ts
+++ b/packages/backend/src/core/chart/ChartManagementService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/active-users.ts b/packages/backend/src/core/chart/charts/active-users.ts
index f0918e059c..05905f3782 100644
--- a/packages/backend/src/core/chart/charts/active-users.ts
+++ b/packages/backend/src/core/chart/charts/active-users.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/ap-request.ts b/packages/backend/src/core/chart/charts/ap-request.ts
index 03c9b42be1..04e771a95b 100644
--- a/packages/backend/src/core/chart/charts/ap-request.ts
+++ b/packages/backend/src/core/chart/charts/ap-request.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/drive.ts b/packages/backend/src/core/chart/charts/drive.ts
index bbcbf1a955..613e074a9f 100644
--- a/packages/backend/src/core/chart/charts/drive.ts
+++ b/packages/backend/src/core/chart/charts/drive.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/active-users.ts b/packages/backend/src/core/chart/charts/entities/active-users.ts
index e68022ef29..fc2b88a2bb 100644
--- a/packages/backend/src/core/chart/charts/entities/active-users.ts
+++ b/packages/backend/src/core/chart/charts/entities/active-users.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/ap-request.ts b/packages/backend/src/core/chart/charts/entities/ap-request.ts
index a824515255..93e47e081b 100644
--- a/packages/backend/src/core/chart/charts/entities/ap-request.ts
+++ b/packages/backend/src/core/chart/charts/entities/ap-request.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/drive.ts b/packages/backend/src/core/chart/charts/entities/drive.ts
index 4a56bd45c5..4ea16da38c 100644
--- a/packages/backend/src/core/chart/charts/entities/drive.ts
+++ b/packages/backend/src/core/chart/charts/entities/drive.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/federation.ts b/packages/backend/src/core/chart/charts/entities/federation.ts
index e067c71a7f..5ed7804343 100644
--- a/packages/backend/src/core/chart/charts/entities/federation.ts
+++ b/packages/backend/src/core/chart/charts/entities/federation.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/instance.ts b/packages/backend/src/core/chart/charts/entities/instance.ts
index 4ea10d56d1..d0cac3e73f 100644
--- a/packages/backend/src/core/chart/charts/entities/instance.ts
+++ b/packages/backend/src/core/chart/charts/entities/instance.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/notes.ts b/packages/backend/src/core/chart/charts/entities/notes.ts
index 26e2529b17..325236ab35 100644
--- a/packages/backend/src/core/chart/charts/entities/notes.ts
+++ b/packages/backend/src/core/chart/charts/entities/notes.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/per-user-drive.ts b/packages/backend/src/core/chart/charts/entities/per-user-drive.ts
index aec3dd5140..25d4619dde 100644
--- a/packages/backend/src/core/chart/charts/entities/per-user-drive.ts
+++ b/packages/backend/src/core/chart/charts/entities/per-user-drive.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/per-user-following.ts b/packages/backend/src/core/chart/charts/entities/per-user-following.ts
index afb5813058..1618bd22f3 100644
--- a/packages/backend/src/core/chart/charts/entities/per-user-following.ts
+++ b/packages/backend/src/core/chart/charts/entities/per-user-following.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/per-user-notes.ts b/packages/backend/src/core/chart/charts/entities/per-user-notes.ts
index 60a0b01c8e..30404b2e48 100644
--- a/packages/backend/src/core/chart/charts/entities/per-user-notes.ts
+++ b/packages/backend/src/core/chart/charts/entities/per-user-notes.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/per-user-pv.ts b/packages/backend/src/core/chart/charts/entities/per-user-pv.ts
index 78d4464d7e..7a903afad4 100644
--- a/packages/backend/src/core/chart/charts/entities/per-user-pv.ts
+++ b/packages/backend/src/core/chart/charts/entities/per-user-pv.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/per-user-reactions.ts b/packages/backend/src/core/chart/charts/entities/per-user-reactions.ts
index 761101d479..bb62bb2386 100644
--- a/packages/backend/src/core/chart/charts/entities/per-user-reactions.ts
+++ b/packages/backend/src/core/chart/charts/entities/per-user-reactions.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/test-grouped.ts b/packages/backend/src/core/chart/charts/entities/test-grouped.ts
index 15eb1fd1f8..599c1dc136 100644
--- a/packages/backend/src/core/chart/charts/entities/test-grouped.ts
+++ b/packages/backend/src/core/chart/charts/entities/test-grouped.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/test-intersection.ts b/packages/backend/src/core/chart/charts/entities/test-intersection.ts
index 2ef63977a5..d29b39716c 100644
--- a/packages/backend/src/core/chart/charts/entities/test-intersection.ts
+++ b/packages/backend/src/core/chart/charts/entities/test-intersection.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/test-unique.ts b/packages/backend/src/core/chart/charts/entities/test-unique.ts
index 56233585db..bdaa1716ed 100644
--- a/packages/backend/src/core/chart/charts/entities/test-unique.ts
+++ b/packages/backend/src/core/chart/charts/entities/test-unique.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/test.ts b/packages/backend/src/core/chart/charts/entities/test.ts
index 163db4e79f..c80ff55c99 100644
--- a/packages/backend/src/core/chart/charts/entities/test.ts
+++ b/packages/backend/src/core/chart/charts/entities/test.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/entities/users.ts b/packages/backend/src/core/chart/charts/entities/users.ts
index c7bffd3fd4..f94a5029d7 100644
--- a/packages/backend/src/core/chart/charts/entities/users.ts
+++ b/packages/backend/src/core/chart/charts/entities/users.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/federation.ts b/packages/backend/src/core/chart/charts/federation.ts
index fc474b002b..5e4555ee96 100644
--- a/packages/backend/src/core/chart/charts/federation.ts
+++ b/packages/backend/src/core/chart/charts/federation.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/instance.ts b/packages/backend/src/core/chart/charts/instance.ts
index 9df0afb02e..97f3bc6f2b 100644
--- a/packages/backend/src/core/chart/charts/instance.ts
+++ b/packages/backend/src/core/chart/charts/instance.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/notes.ts b/packages/backend/src/core/chart/charts/notes.ts
index df3295dbac..f763b5fffa 100644
--- a/packages/backend/src/core/chart/charts/notes.ts
+++ b/packages/backend/src/core/chart/charts/notes.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/per-user-drive.ts b/packages/backend/src/core/chart/charts/per-user-drive.ts
index 18354359c8..404964d8b7 100644
--- a/packages/backend/src/core/chart/charts/per-user-drive.ts
+++ b/packages/backend/src/core/chart/charts/per-user-drive.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/per-user-following.ts b/packages/backend/src/core/chart/charts/per-user-following.ts
index 79bff2cb66..588ac638de 100644
--- a/packages/backend/src/core/chart/charts/per-user-following.ts
+++ b/packages/backend/src/core/chart/charts/per-user-following.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/per-user-notes.ts b/packages/backend/src/core/chart/charts/per-user-notes.ts
index 0db0e6f07f..e4900772bb 100644
--- a/packages/backend/src/core/chart/charts/per-user-notes.ts
+++ b/packages/backend/src/core/chart/charts/per-user-notes.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/per-user-pv.ts b/packages/backend/src/core/chart/charts/per-user-pv.ts
index cf1b4c71f6..31708fefa8 100644
--- a/packages/backend/src/core/chart/charts/per-user-pv.ts
+++ b/packages/backend/src/core/chart/charts/per-user-pv.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/per-user-reactions.ts b/packages/backend/src/core/chart/charts/per-user-reactions.ts
index 9f4f6e9651..c29c4d2870 100644
--- a/packages/backend/src/core/chart/charts/per-user-reactions.ts
+++ b/packages/backend/src/core/chart/charts/per-user-reactions.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/test-grouped.ts b/packages/backend/src/core/chart/charts/test-grouped.ts
index 00fb872237..7a2844f4ed 100644
--- a/packages/backend/src/core/chart/charts/test-grouped.ts
+++ b/packages/backend/src/core/chart/charts/test-grouped.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/test-intersection.ts b/packages/backend/src/core/chart/charts/test-intersection.ts
index 45a7e805c5..b8d0556c9f 100644
--- a/packages/backend/src/core/chart/charts/test-intersection.ts
+++ b/packages/backend/src/core/chart/charts/test-intersection.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/test-unique.ts b/packages/backend/src/core/chart/charts/test-unique.ts
index e9d38eaf13..f94e008059 100644
--- a/packages/backend/src/core/chart/charts/test-unique.ts
+++ b/packages/backend/src/core/chart/charts/test-unique.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/test.ts b/packages/backend/src/core/chart/charts/test.ts
index 4dd6063b5b..a90dc8f99b 100644
--- a/packages/backend/src/core/chart/charts/test.ts
+++ b/packages/backend/src/core/chart/charts/test.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/charts/users.ts b/packages/backend/src/core/chart/charts/users.ts
index c2026c2aea..d148fc629b 100644
--- a/packages/backend/src/core/chart/charts/users.ts
+++ b/packages/backend/src/core/chart/charts/users.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/chart/core.ts b/packages/backend/src/core/chart/core.ts
index 8d0a89f2d6..aa0cb9dc2b 100644
--- a/packages/backend/src/core/chart/core.ts
+++ b/packages/backend/src/core/chart/core.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -94,6 +94,29 @@ type ToJsonSchema<S> = {
 };
 
 export function getJsonSchema<S extends Schema>(schema: S): ToJsonSchema<Unflatten<ChartResult<S>>> {
+	const unflatten = (str: string, parent: Record<string, any>) => {
+		const keys = str.split('.');
+		const key = keys.shift();
+		const nextKey = keys[0];
+
+		if (key == null) return;
+
+		if (parent.properties[key] == null) {
+			parent.properties[key] = nextKey ? {
+				type: 'object',
+				properties: {},
+				required: [],
+			} : {
+				type: 'array',
+				items: {
+					type: 'number',
+				},
+			};
+		}
+
+		if (nextKey) unflatten(keys.join('.'), parent.properties[key] as Record<string, any>);
+	};
+
 	const jsonSchema = {
 		type: 'object',
 		properties: {} as Record<string, unknown>,
@@ -101,10 +124,7 @@ export function getJsonSchema<S extends Schema>(schema: S): ToJsonSchema<Unflatt
 	};
 
 	for (const k in schema) {
-		jsonSchema.properties[k] = {
-			type: 'array',
-			items: { type: 'number' },
-		};
+		unflatten(k, jsonSchema);
 	}
 
 	return jsonSchema as ToJsonSchema<Unflatten<ChartResult<S>>>;
diff --git a/packages/backend/src/core/chart/entities.ts b/packages/backend/src/core/chart/entities.ts
index b6a1299a2f..e424f2c8c5 100644
--- a/packages/backend/src/core/chart/entities.ts
+++ b/packages/backend/src/core/chart/entities.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/AbuseUserReportEntityService.ts b/packages/backend/src/core/entities/AbuseUserReportEntityService.ts
index 97de891ece..49f256d870 100644
--- a/packages/backend/src/core/entities/AbuseUserReportEntityService.ts
+++ b/packages/backend/src/core/entities/AbuseUserReportEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -38,13 +38,13 @@ export class AbuseUserReportEntityService {
 			targetUserId: report.targetUserId,
 			assigneeId: report.assigneeId,
 			reporter: this.userEntityService.pack(report.reporter ?? report.reporterId, null, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}),
 			targetUser: this.userEntityService.pack(report.targetUser ?? report.targetUserId, null, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}),
 			assignee: report.assigneeId ? this.userEntityService.pack(report.assignee ?? report.assigneeId, null, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}) : null,
 			forwarded: report.forwarded,
 		});
diff --git a/packages/backend/src/core/entities/AntennaEntityService.ts b/packages/backend/src/core/entities/AntennaEntityService.ts
index 265a61e8ad..64d6a3c978 100644
--- a/packages/backend/src/core/entities/AntennaEntityService.ts
+++ b/packages/backend/src/core/entities/AntennaEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/AppEntityService.ts b/packages/backend/src/core/entities/AppEntityService.ts
index 14a93cda5b..785b84689a 100644
--- a/packages/backend/src/core/entities/AppEntityService.ts
+++ b/packages/backend/src/core/entities/AppEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/AuthSessionEntityService.ts b/packages/backend/src/core/entities/AuthSessionEntityService.ts
index fd356cc89d..72873680c9 100644
--- a/packages/backend/src/core/entities/AuthSessionEntityService.ts
+++ b/packages/backend/src/core/entities/AuthSessionEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/BlockingEntityService.ts b/packages/backend/src/core/entities/BlockingEntityService.ts
index b4760346b7..c8c1520ceb 100644
--- a/packages/backend/src/core/entities/BlockingEntityService.ts
+++ b/packages/backend/src/core/entities/BlockingEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -37,7 +37,7 @@ export class BlockingEntityService {
 			createdAt: this.idService.parse(blocking.id).date.toISOString(),
 			blockeeId: blocking.blockeeId,
 			blockee: this.userEntityService.pack(blocking.blockeeId, me, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}),
 		});
 	}
diff --git a/packages/backend/src/core/entities/ChannelEntityService.ts b/packages/backend/src/core/entities/ChannelEntityService.ts
index 305946b8a6..1ba7ca8e57 100644
--- a/packages/backend/src/core/entities/ChannelEntityService.ts
+++ b/packages/backend/src/core/entities/ChannelEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -51,14 +51,14 @@ export class ChannelEntityService {
 
 		const banner = channel.bannerId ? await this.driveFilesRepository.findOneBy({ id: channel.bannerId }) : null;
 
-		const isFollowing = meId ? await this.channelFollowingsRepository.exist({
+		const isFollowing = meId ? await this.channelFollowingsRepository.exists({
 			where: {
 				followerId: meId,
 				followeeId: channel.id,
 			},
 		}) : false;
 
-		const isFavorited = meId ? await this.channelFavoritesRepository.exist({
+		const isFavorited = meId ? await this.channelFavoritesRepository.exists({
 			where: {
 				userId: meId,
 				channelId: channel.id,
diff --git a/packages/backend/src/core/entities/ClipEntityService.ts b/packages/backend/src/core/entities/ClipEntityService.ts
index 96422894fd..26fcd6714d 100644
--- a/packages/backend/src/core/entities/ClipEntityService.ts
+++ b/packages/backend/src/core/entities/ClipEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -46,7 +46,7 @@ export class ClipEntityService {
 			description: clip.description,
 			isPublic: clip.isPublic,
 			favoritedCount: await this.clipFavoritesRepository.countBy({ clipId: clip.id }),
-			isFavorited: meId ? await this.clipFavoritesRepository.exist({ where: { clipId: clip.id, userId: meId } }) : undefined,
+			isFavorited: meId ? await this.clipFavoritesRepository.exists({ where: { clipId: clip.id, userId: meId } }) : undefined,
 		});
 	}
 
diff --git a/packages/backend/src/core/entities/DriveFileEntityService.ts b/packages/backend/src/core/entities/DriveFileEntityService.ts
index 14be000367..8affe2b3bf 100644
--- a/packages/backend/src/core/entities/DriveFileEntityService.ts
+++ b/packages/backend/src/core/entities/DriveFileEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -259,7 +259,7 @@ export class DriveFileEntityService {
 		options?: PackOptions,
 	): Promise<Packed<'DriveFile'>[]> {
 		const items = await Promise.all(files.map(f => this.packNullable(f, options)));
-		return items.filter((x): x is Packed<'DriveFile'> => x != null);
+		return items.filter(isNotNull);
 	}
 
 	@bindThis
diff --git a/packages/backend/src/core/entities/DriveFolderEntityService.ts b/packages/backend/src/core/entities/DriveFolderEntityService.ts
index 8fa78154b9..299f23ad38 100644
--- a/packages/backend/src/core/entities/DriveFolderEntityService.ts
+++ b/packages/backend/src/core/entities/DriveFolderEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/EmojiEntityService.ts b/packages/backend/src/core/entities/EmojiEntityService.ts
index 5b97cfad5e..841bd731c0 100644
--- a/packages/backend/src/core/entities/EmojiEntityService.ts
+++ b/packages/backend/src/core/entities/EmojiEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -31,6 +31,7 @@ export class EmojiEntityService {
 			category: emoji.category,
 			// || emoji.originalUrl してるのは後方互換性のため（publicUrlはstringなので??はだめ）
 			url: emoji.publicUrl || emoji.originalUrl,
+			localOnly: emoji.localOnly ? true : undefined,
 			isSensitive: emoji.isSensitive ? true : undefined,
 			roleIdsThatCanBeUsedThisEmojiAsReaction: emoji.roleIdsThatCanBeUsedThisEmojiAsReaction.length > 0 ? emoji.roleIdsThatCanBeUsedThisEmojiAsReaction : undefined,
 		};
diff --git a/packages/backend/src/core/entities/FlashEntityService.ts b/packages/backend/src/core/entities/FlashEntityService.ts
index dc335d9975..db4cf6d360 100644
--- a/packages/backend/src/core/entities/FlashEntityService.ts
+++ b/packages/backend/src/core/entities/FlashEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -42,12 +42,12 @@ export class FlashEntityService {
 			createdAt: this.idService.parse(flash.id).date.toISOString(),
 			updatedAt: flash.updatedAt.toISOString(),
 			userId: flash.userId,
-			user: this.userEntityService.pack(flash.user ?? flash.userId, me), // { detail: true } すると無限ループするので注意
+			user: this.userEntityService.pack(flash.user ?? flash.userId, me), // { schema: 'UserDetailed' } すると無限ループするので注意
 			title: flash.title,
 			summary: flash.summary,
 			script: flash.script,
 			likedCount: flash.likedCount,
-			isLiked: meId ? await this.flashLikesRepository.exist({ where: { flashId: flash.id, userId: meId } }) : undefined,
+			isLiked: meId ? await this.flashLikesRepository.exists({ where: { flashId: flash.id, userId: meId } }) : undefined,
 		});
 	}
 
diff --git a/packages/backend/src/core/entities/FlashLikeEntityService.ts b/packages/backend/src/core/entities/FlashLikeEntityService.ts
index 2eff86217a..6e0b9d6e11 100644
--- a/packages/backend/src/core/entities/FlashLikeEntityService.ts
+++ b/packages/backend/src/core/entities/FlashLikeEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/FollowRequestEntityService.ts b/packages/backend/src/core/entities/FollowRequestEntityService.ts
index 0e0fec9f46..763b75101f 100644
--- a/packages/backend/src/core/entities/FollowRequestEntityService.ts
+++ b/packages/backend/src/core/entities/FollowRequestEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/FollowingEntityService.ts b/packages/backend/src/core/entities/FollowingEntityService.ts
index 52aa979677..24cd33e3f7 100644
--- a/packages/backend/src/core/entities/FollowingEntityService.ts
+++ b/packages/backend/src/core/entities/FollowingEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -89,10 +89,10 @@ export class FollowingEntityService {
 			followeeId: following.followeeId,
 			followerId: following.followerId,
 			followee: opts.populateFollowee ? this.userEntityService.pack(following.followee ?? following.followeeId, me, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}) : undefined,
 			follower: opts.populateFollower ? this.userEntityService.pack(following.follower ?? following.followerId, me, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}) : undefined,
 		});
 	}
diff --git a/packages/backend/src/core/entities/GalleryLikeEntityService.ts b/packages/backend/src/core/entities/GalleryLikeEntityService.ts
index e740701888..f199a81b4d 100644
--- a/packages/backend/src/core/entities/GalleryLikeEntityService.ts
+++ b/packages/backend/src/core/entities/GalleryLikeEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/GalleryPostEntityService.ts b/packages/backend/src/core/entities/GalleryPostEntityService.ts
index d7b960e0d9..101182a9e5 100644
--- a/packages/backend/src/core/entities/GalleryPostEntityService.ts
+++ b/packages/backend/src/core/entities/GalleryPostEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -53,7 +53,7 @@ export class GalleryPostEntityService {
 			tags: post.tags.length > 0 ? post.tags : undefined,
 			isSensitive: post.isSensitive,
 			likedCount: post.likedCount,
-			isLiked: meId ? await this.galleryLikesRepository.exist({ where: { postId: post.id, userId: meId } }) : undefined,
+			isLiked: meId ? await this.galleryLikesRepository.exists({ where: { postId: post.id, userId: meId } }) : undefined,
 		});
 	}
 
diff --git a/packages/backend/src/core/entities/HashtagEntityService.ts b/packages/backend/src/core/entities/HashtagEntityService.ts
index 006e267b12..d798b15807 100644
--- a/packages/backend/src/core/entities/HashtagEntityService.ts
+++ b/packages/backend/src/core/entities/HashtagEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/InstanceEntityService.ts b/packages/backend/src/core/entities/InstanceEntityService.ts
index 515b356dee..b4a518a1c6 100644
--- a/packages/backend/src/core/entities/InstanceEntityService.ts
+++ b/packages/backend/src/core/entities/InstanceEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -8,12 +8,15 @@ import type { Packed } from '@/misc/json-schema.js';
 import type { MiInstance } from '@/models/Instance.js';
 import { MetaService } from '@/core/MetaService.js';
 import { bindThis } from '@/decorators.js';
-import { UtilityService } from '../UtilityService.js';
+import { UtilityService } from '@/core/UtilityService.js';
+import { RoleService } from '@/core/RoleService.js';
+import { MiUser } from '@/models/User.js';
 
 @Injectable()
 export class InstanceEntityService {
 	constructor(
 		private metaService: MetaService,
+		private roleService: RoleService,
 
 		private utilityService: UtilityService,
 	) {
@@ -22,8 +25,11 @@ export class InstanceEntityService {
 	@bindThis
 	public async pack(
 		instance: MiInstance,
+		me?: { id: MiUser['id']; } | null | undefined,
 	): Promise<Packed<'FederationInstance'>> {
 		const meta = await this.metaService.fetch();
+		const iAmModerator = me ? await this.roleService.isModerator(me as MiUser) : false;
+
 		return {
 			id: instance.id,
 			firstRetrievedAt: instance.firstRetrievedAt.toISOString(),
@@ -49,6 +55,7 @@ export class InstanceEntityService {
 			infoUpdatedAt: instance.infoUpdatedAt ? instance.infoUpdatedAt.toISOString() : null,
 			latestRequestReceivedAt: instance.latestRequestReceivedAt ? instance.latestRequestReceivedAt.toISOString() : null,
 			isNSFW: instance.isNSFW,
+			moderationNote: iAmModerator ? instance.moderationNote : null,
 		};
 	}
 
diff --git a/packages/backend/src/core/entities/InviteCodeEntityService.ts b/packages/backend/src/core/entities/InviteCodeEntityService.ts
index 0f15fb5ab2..891543bc0f 100644
--- a/packages/backend/src/core/entities/InviteCodeEntityService.ts
+++ b/packages/backend/src/core/entities/InviteCodeEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/MetaEntityService.ts b/packages/backend/src/core/entities/MetaEntityService.ts
new file mode 100644
index 0000000000..7e3926c431
--- /dev/null
+++ b/packages/backend/src/core/entities/MetaEntityService.ts
@@ -0,0 +1,157 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Brackets } from 'typeorm';
+import { Inject, Injectable } from '@nestjs/common';
+import JSON5 from 'json5';
+import type { Packed } from '@/misc/json-schema.js';
+import type { MiMeta } from '@/models/Meta.js';
+import type { AdsRepository } from '@/models/_.js';
+import { MetaService } from '@/core/MetaService.js';
+import { bindThis } from '@/decorators.js';
+import { UserEntityService } from '@/core/entities/UserEntityService.js';
+import { InstanceActorService } from '@/core/InstanceActorService.js';
+import type { Config } from '@/config.js';
+import { DI } from '@/di-symbols.js';
+import { DEFAULT_POLICIES } from '@/core/RoleService.js';
+
+@Injectable()
+export class MetaEntityService {
+	constructor(
+		@Inject(DI.config)
+		private config: Config,
+
+		@Inject(DI.adsRepository)
+		private adsRepository: AdsRepository,
+
+		private userEntityService: UserEntityService,
+		private metaService: MetaService,
+		private instanceActorService: InstanceActorService,
+	) { }
+
+	@bindThis
+	public async pack(meta?: MiMeta): Promise<Packed<'MetaLite'>> {
+		let instance = meta;
+
+		if (!instance) {
+			instance = await this.metaService.fetch();
+		}
+
+		const ads = await this.adsRepository.createQueryBuilder('ads')
+			.where('ads.expiresAt > :now', { now: new Date() })
+			.andWhere('ads.startsAt <= :now', { now: new Date() })
+			.andWhere(new Brackets(qb => {
+				// 曜日のビットフラグを確認する
+				qb.where('ads.dayOfWeek & :dayOfWeek > 0', { dayOfWeek: 1 << new Date().getDay() })
+					.orWhere('ads.dayOfWeek = 0');
+			}))
+			.getMany();
+
+		const packed: Packed<'MetaLite'> = {
+			maintainerName: instance.maintainerName,
+			maintainerEmail: instance.maintainerEmail,
+
+			version: this.config.version,
+			providesTarball: this.config.publishTarballInsteadOfProvideRepositoryUrl,
+
+			name: instance.name,
+			shortName: instance.shortName,
+			uri: this.config.url,
+			description: instance.description,
+			langs: instance.langs,
+			tosUrl: instance.termsOfServiceUrl,
+			repositoryUrl: instance.repositoryUrl,
+			feedbackUrl: instance.feedbackUrl,
+			impressumUrl: instance.impressumUrl,
+			donationUrl: instance.donationUrl,
+			privacyPolicyUrl: instance.privacyPolicyUrl,
+			disableRegistration: instance.disableRegistration,
+			emailRequiredForSignup: instance.emailRequiredForSignup,
+			approvalRequiredForSignup: instance.approvalRequiredForSignup,
+			enableHcaptcha: instance.enableHcaptcha,
+			hcaptchaSiteKey: instance.hcaptchaSiteKey,
+			enableMcaptcha: instance.enableMcaptcha,
+			mcaptchaSiteKey: instance.mcaptchaSitekey,
+			mcaptchaInstanceUrl: instance.mcaptchaInstanceUrl,
+			enableRecaptcha: instance.enableRecaptcha,
+			enableAchievements: instance.enableAchievements,
+			recaptchaSiteKey: instance.recaptchaSiteKey,
+			enableTurnstile: instance.enableTurnstile,
+			turnstileSiteKey: instance.turnstileSiteKey,
+			swPublickey: instance.swPublicKey,
+			themeColor: instance.themeColor,
+			mascotImageUrl: instance.mascotImageUrl ?? '/assets/ai.png',
+			bannerUrl: instance.bannerUrl,
+			infoImageUrl: instance.infoImageUrl,
+			serverErrorImageUrl: instance.serverErrorImageUrl,
+			notFoundImageUrl: instance.notFoundImageUrl,
+			iconUrl: instance.iconUrl,
+			backgroundImageUrl: instance.backgroundImageUrl,
+			logoImageUrl: instance.logoImageUrl,
+			maxNoteTextLength: this.config.maxNoteLength,
+			// クライアントの手間を減らすためあらかじめJSONに変換しておく
+			defaultLightTheme: instance.defaultLightTheme ? JSON.stringify(JSON5.parse(instance.defaultLightTheme)) : null,
+			defaultDarkTheme: instance.defaultDarkTheme ? JSON.stringify(JSON5.parse(instance.defaultDarkTheme)) : null,
+			defaultLike: instance.defaultLike,
+			ads: ads.map(ad => ({
+				id: ad.id,
+				url: ad.url,
+				place: ad.place,
+				ratio: ad.ratio,
+				imageUrl: ad.imageUrl,
+				dayOfWeek: ad.dayOfWeek,
+			})),
+			notesPerOneAd: instance.notesPerOneAd,
+			enableEmail: instance.enableEmail,
+			enableServiceWorker: instance.enableServiceWorker,
+
+			translatorAvailable: instance.deeplAuthKey != null || instance.deeplFreeMode && instance.deeplFreeInstance != null,
+
+			serverRules: instance.serverRules,
+
+			policies: { ...DEFAULT_POLICIES, ...instance.policies },
+
+			mediaProxy: this.config.mediaProxy,
+		};
+
+		return packed;
+	}
+
+	@bindThis
+	public async packDetailed(meta?: MiMeta): Promise<Packed<'MetaDetailed'>> {
+		let instance = meta;
+
+		if (!instance) {
+			instance = await this.metaService.fetch();
+		}
+
+		const packed = await this.pack(instance);
+
+		const proxyAccount = instance.proxyAccountId ? await this.userEntityService.pack(instance.proxyAccountId).catch(() => null) : null;
+
+		const packDetailed: Packed<'MetaDetailed'> = {
+			...packed,
+			cacheRemoteFiles: instance.cacheRemoteFiles,
+			cacheRemoteSensitiveFiles: instance.cacheRemoteSensitiveFiles,
+			requireSetup: !await this.instanceActorService.realLocalUsersPresent(),
+			proxyAccountName: proxyAccount ? proxyAccount.username : null,
+			features: {
+				localTimeline: instance.policies.ltlAvailable,
+				globalTimeline: instance.policies.gtlAvailable,
+				registration: !instance.disableRegistration,
+				emailRequiredForSignup: instance.emailRequiredForSignup,
+				hcaptcha: instance.enableHcaptcha,
+				recaptcha: instance.enableRecaptcha,
+				turnstile: instance.enableTurnstile,
+				objectStorage: instance.useObjectStorage,
+				serviceWorker: instance.enableServiceWorker,
+				miauth: true,
+			},
+		};
+
+		return packDetailed;
+	}
+}
+
diff --git a/packages/backend/src/core/entities/ModerationLogEntityService.ts b/packages/backend/src/core/entities/ModerationLogEntityService.ts
index 6729ca2671..205e147bd1 100644
--- a/packages/backend/src/core/entities/ModerationLogEntityService.ts
+++ b/packages/backend/src/core/entities/ModerationLogEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -37,7 +37,7 @@ export class ModerationLogEntityService {
 			info: log.info,
 			userId: log.userId,
 			user: this.userEntityService.pack(log.user ?? log.userId, null, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}),
 		});
 	}
diff --git a/packages/backend/src/core/entities/MutingEntityService.ts b/packages/backend/src/core/entities/MutingEntityService.ts
index 9d672169ba..0a52f429a2 100644
--- a/packages/backend/src/core/entities/MutingEntityService.ts
+++ b/packages/backend/src/core/entities/MutingEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -39,7 +39,7 @@ export class MutingEntityService {
 			expiresAt: muting.expiresAt ? muting.expiresAt.toISOString() : null,
 			muteeId: muting.muteeId,
 			mutee: this.userEntityService.pack(muting.muteeId, me, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}),
 		});
 	}
diff --git a/packages/backend/src/core/entities/NoteEntityService.ts b/packages/backend/src/core/entities/NoteEntityService.ts
index fee96bb80d..86a8670f29 100644
--- a/packages/backend/src/core/entities/NoteEntityService.ts
+++ b/packages/backend/src/core/entities/NoteEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -114,7 +114,7 @@ export class NoteEntityService implements OnModuleInit {
 				hide = false;
 			} else {
 				if (packedNote.renote) {
-					const isFollowing = await this.followingsRepository.exist({
+					const isFollowing = await this.followingsRepository.exists({
 						where: {
 							followeeId: packedNote.renote.userId,
 							followerId: meId,
@@ -124,7 +124,7 @@ export class NoteEntityService implements OnModuleInit {
 					hide = !isFollowing;
 				} else {
 					// フォロワーかどうか
-					const isFollowing = await this.followingsRepository.exist({
+					const isFollowing = await this.followingsRepository.exists({
 						where: {
 							followeeId: packedNote.userId,
 							followerId: meId,
@@ -181,7 +181,7 @@ export class NoteEntityService implements OnModuleInit {
 
 		return {
 			multiple: poll.multiple,
-			expiresAt: poll.expiresAt,
+			expiresAt: poll.expiresAt?.toISOString() ?? null,
 			choices,
 		};
 	}
@@ -342,9 +342,7 @@ export class NoteEntityService implements OnModuleInit {
 			createdAt: this.idService.parse(note.id).date.toISOString(),
 			updatedAt: note.updatedAt ? note.updatedAt.toISOString() : undefined,
 			userId: note.userId,
-			user: this.userEntityService.pack(note.user ?? note.userId, me, {
-				detail: false,
-			}),
+			user: this.userEntityService.pack(note.user ?? note.userId, me),
 			text: text,
 			cw: note.cw,
 			visibility: note.visibility,
@@ -369,6 +367,7 @@ export class NoteEntityService implements OnModuleInit {
 				color: channel.color,
 				isSensitive: channel.isSensitive,
 				allowRenoteToExternal: channel.allowRenoteToExternal,
+				userId: channel.userId,
 			} : undefined,
 			mentions: note.mentions && note.mentions.length > 0 ? note.mentions : undefined,
 			uri: note.uri ?? undefined,
diff --git a/packages/backend/src/core/entities/NoteFavoriteEntityService.ts b/packages/backend/src/core/entities/NoteFavoriteEntityService.ts
index 1c9aed413f..3cdafe48ad 100644
--- a/packages/backend/src/core/entities/NoteFavoriteEntityService.ts
+++ b/packages/backend/src/core/entities/NoteFavoriteEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/NoteReactionEntityService.ts b/packages/backend/src/core/entities/NoteReactionEntityService.ts
index f4aba3e543..3f4fa3cf96 100644
--- a/packages/backend/src/core/entities/NoteReactionEntityService.ts
+++ b/packages/backend/src/core/entities/NoteReactionEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -69,4 +69,19 @@ export class NoteReactionEntityService implements OnModuleInit {
 			} : {}),
 		};
 	}
+
+	@bindThis
+	public async packMany(
+		reactions: MiNoteReaction[],
+		me?: { id: MiUser['id'] } | null | undefined,
+		options?: {
+			withNote: boolean;
+		},
+	): Promise<Packed<'NoteReaction'>[]> {
+		const opts = Object.assign({
+			withNote: false,
+		}, options);
+
+		return Promise.all(reactions.map(reaction => this.pack(reaction, me, opts)));
+	}
 }
diff --git a/packages/backend/src/core/entities/NotificationEntityService.ts b/packages/backend/src/core/entities/NotificationEntityService.ts
index 704081ed00..18b9d148c4 100644
--- a/packages/backend/src/core/entities/NotificationEntityService.ts
+++ b/packages/backend/src/core/entities/NotificationEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -14,14 +14,14 @@ import type { MiNote } from '@/models/Note.js';
 import type { Packed } from '@/misc/json-schema.js';
 import { bindThis } from '@/decorators.js';
 import { isNotNull } from '@/misc/is-not-null.js';
-import { FilterUnionByProperty, notificationTypes } from '@/types.js';
+import { FilterUnionByProperty, groupedNotificationTypes } from '@/types.js';
+import { CacheService } from '@/core/CacheService.js';
 import { RoleEntityService } from './RoleEntityService.js';
 import type { OnModuleInit } from '@nestjs/common';
 import type { UserEntityService } from './UserEntityService.js';
 import type { NoteEntityService } from './NoteEntityService.js';
 
-const NOTE_REQUIRED_NOTIFICATION_TYPES = new Set(['note', 'mention', 'reply', 'renote', 'quote', 'reaction', 'pollEnded'] as (typeof notificationTypes[number])[]);
-const NOTE_REQUIRED_GROUPED_NOTIFICATION_TYPES = new Set(['note', 'mention', 'reply', 'renote', 'renote:grouped', 'quote', 'reaction', 'reaction:grouped', 'pollEnded']);
+const NOTE_REQUIRED_NOTIFICATION_TYPES = new Set(['note', 'mention', 'reply', 'renote', 'renote:grouped', 'quote', 'reaction', 'reaction:grouped', 'pollEnded', 'edited'] as (typeof groupedNotificationTypes[number])[]);
 
 @Injectable()
 export class NotificationEntityService implements OnModuleInit {
@@ -41,6 +41,8 @@ export class NotificationEntityService implements OnModuleInit {
 		@Inject(DI.followRequestsRepository)
 		private followRequestsRepository: FollowRequestsRepository,
 
+		private cacheService: CacheService,
+
 		//private userEntityService: UserEntityService,
 		//private noteEntityService: NoteEntityService,
 	) {
@@ -52,146 +54,61 @@ export class NotificationEntityService implements OnModuleInit {
 		this.roleEntityService = this.moduleRef.get('RoleEntityService');
 	}
 
-	@bindThis
-	public async pack(
-		src: MiNotification,
+	/**
+	 * 通知をパックする共通処理
+	*/
+	async #packInternal <T extends MiNotification | MiGroupedNotification> (
+		src: T,
 		meId: MiUser['id'],
 		// eslint-disable-next-line @typescript-eslint/ban-types
 		options: {
-
+			checkValidNotifier?: boolean;
 		},
 		hint?: {
 			packedNotes: Map<MiNote['id'], Packed<'Note'>>;
-			packedUsers: Map<MiUser['id'], Packed<'User'>>;
+			packedUsers: Map<MiUser['id'], Packed<'UserLite'>>;
 		},
-	): Promise<Packed<'Notification'>> {
+	): Promise<Packed<'Notification'> | null> {
 		const notification = src;
-		const noteIfNeed = NOTE_REQUIRED_NOTIFICATION_TYPES.has(notification.type) && 'noteId' in notification ? (
-			hint?.packedNotes != null
-				? hint.packedNotes.get(notification.noteId)
-				: this.noteEntityService.pack(notification.noteId, { id: meId }, {
-					detail: true,
-				})
-		) : undefined;
-		const userIfNeed = 'notifierId' in notification ? (
-			hint?.packedUsers != null
-				? hint.packedUsers.get(notification.notifierId)
-				: this.userEntityService.pack(notification.notifierId, { id: meId }, {
-					detail: false,
-				})
-		) : undefined;
-		const role = notification.type === 'roleAssigned' ? await this.roleEntityService.pack(notification.roleId) : undefined;
-
-		return await awaitAll({
-			id: notification.id,
-			createdAt: new Date(notification.createdAt).toISOString(),
-			type: notification.type,
-			userId: 'notifierId' in notification ? notification.notifierId : undefined,
-			...(userIfNeed != null ? { user: userIfNeed } : {}),
-			...(noteIfNeed != null ? { note: noteIfNeed } : {}),
-			...(notification.type === 'reaction' ? {
-				reaction: notification.reaction,
-			} : {}),
-			...(notification.type === 'roleAssigned' ? {
-				role: role,
-			} : {}),
-			...(notification.type === 'achievementEarned' ? {
-				achievement: notification.achievement,
-			} : {}),
-			...(notification.type === 'app' ? {
-				body: notification.customBody,
-				header: notification.customHeader,
-				icon: notification.customIcon,
-			} : {}),
-		});
-	}
-
-	@bindThis
-	public async packMany(
-		notifications: MiNotification[],
-		meId: MiUser['id'],
-	) {
-		if (notifications.length === 0) return [];
-
-		let validNotifications = notifications;
-
-		const noteIds = validNotifications.map(x => 'noteId' in x ? x.noteId : null).filter(isNotNull);
-		const notes = noteIds.length > 0 ? await this.notesRepository.find({
-			where: { id: In(noteIds) },
-			relations: ['user', 'reply', 'reply.user', 'renote', 'renote.user'],
-		}) : [];
-		const packedNotesArray = await this.noteEntityService.packMany(notes, { id: meId }, {
-			detail: true,
-		});
-		const packedNotes = new Map(packedNotesArray.map(p => [p.id, p]));
-
-		validNotifications = validNotifications.filter(x => !('noteId' in x) || packedNotes.has(x.noteId));
-
-		const userIds = validNotifications.map(x => 'notifierId' in x ? x.notifierId : null).filter(isNotNull);
-		const users = userIds.length > 0 ? await this.usersRepository.find({
-			where: { id: In(userIds) },
-		}) : [];
-		const packedUsersArray = await this.userEntityService.packMany(users, { id: meId }, {
-			detail: false,
-		});
-		const packedUsers = new Map(packedUsersArray.map(p => [p.id, p]));
-
-		// 既に解決されたフォローリクエストの通知を除外
-		const followRequestNotifications = validNotifications.filter((x): x is FilterUnionByProperty<MiGroupedNotification, 'type', 'receiveFollowRequest'> => x.type === 'receiveFollowRequest');
-		if (followRequestNotifications.length > 0) {
-			const reqs = await this.followRequestsRepository.find({
-				where: { followerId: In(followRequestNotifications.map(x => x.notifierId)) },
-			});
-			validNotifications = validNotifications.filter(x => (x.type !== 'receiveFollowRequest') || reqs.some(r => r.followerId === x.notifierId));
-		}
 
-		return await Promise.all(validNotifications.map(x => this.pack(x, meId, {}, {
-			packedNotes,
-			packedUsers,
-		})));
-	}
+		if (options.checkValidNotifier !== false && !(await this.#isValidNotifier(notification, meId))) return null;
 
-	@bindThis
-	public async packGrouped(
-		src: MiGroupedNotification,
-		meId: MiUser['id'],
-		// eslint-disable-next-line @typescript-eslint/ban-types
-		options: {
-
-		},
-		hint?: {
-			packedNotes: Map<MiNote['id'], Packed<'Note'>>;
-			packedUsers: Map<MiUser['id'], Packed<'User'>>;
-		},
-	): Promise<Packed<'Notification'>> {
-		const notification = src;
-		const noteIfNeed = NOTE_REQUIRED_GROUPED_NOTIFICATION_TYPES.has(notification.type) && 'noteId' in notification ? (
+		const needsNote = NOTE_REQUIRED_NOTIFICATION_TYPES.has(notification.type) && 'noteId' in notification;
+		const noteIfNeed = needsNote ? (
 			hint?.packedNotes != null
 				? hint.packedNotes.get(notification.noteId)
 				: this.noteEntityService.pack(notification.noteId, { id: meId }, {
 					detail: true,
 				})
 		) : undefined;
-		const userIfNeed = 'notifierId' in notification ? (
+		// if the note has been deleted, don't show this notification
+		if (needsNote && !noteIfNeed) return null;
+
+		const needsUser = 'notifierId' in notification;
+		const userIfNeed = needsUser ? (
 			hint?.packedUsers != null
 				? hint.packedUsers.get(notification.notifierId)
-				: this.userEntityService.pack(notification.notifierId, { id: meId }, {
-					detail: false,
-				})
+				: this.userEntityService.pack(notification.notifierId, { id: meId })
 		) : undefined;
+		// if the user has been deleted, don't show this notification
+		if (needsUser && !userIfNeed) return null;
 
+		// #region Grouped notifications
 		if (notification.type === 'reaction:grouped') {
-			const reactions = await Promise.all(notification.reactions.map(async reaction => {
+			const reactions = (await Promise.all(notification.reactions.map(async reaction => {
 				const user = hint?.packedUsers != null
 					? hint.packedUsers.get(reaction.userId)!
-					: await this.userEntityService.pack(reaction.userId, { id: meId }, {
-						detail: false,
-					});
+					: await this.userEntityService.pack(reaction.userId, { id: meId });
 				return {
 					user,
 					reaction: reaction.reaction,
 				};
-			}));
+			}))).filter(r => isNotNull(r.user));
+			// if all users have been deleted, don't show this notification
+			if (reactions.length === 0) {
+				return null;
+			}
+
 			return await awaitAll({
 				id: notification.id,
 				createdAt: new Date(notification.createdAt).toISOString(),
@@ -200,16 +117,19 @@ export class NotificationEntityService implements OnModuleInit {
 				reactions,
 			});
 		} else if (notification.type === 'renote:grouped') {
-			const users = await Promise.all(notification.userIds.map(userId => {
+			const users = (await Promise.all(notification.userIds.map(userId => {
 				const packedUser = hint?.packedUsers != null ? hint.packedUsers.get(userId) : null;
 				if (packedUser) {
 					return packedUser;
 				}
 
-				return this.userEntityService.pack(userId, { id: meId }, {
-					detail: false,
-				});
-			}));
+				return this.userEntityService.pack(userId, { id: meId });
+			}))).filter(isNotNull);
+			// if all users have been deleted, don't show this notification
+			if (users.length === 0) {
+				return null;
+			}
+
 			return await awaitAll({
 				id: notification.id,
 				createdAt: new Date(notification.createdAt).toISOString(),
@@ -218,8 +138,14 @@ export class NotificationEntityService implements OnModuleInit {
 				users,
 			});
 		}
+		// #endregion
 
-		const role = notification.type === 'roleAssigned' ? await this.roleEntityService.pack(notification.roleId) : undefined;
+		const needsRole = notification.type === 'roleAssigned';
+		const role = needsRole ? await this.roleEntityService.pack(notification.roleId) : undefined;
+		// if the role has been deleted, don't show this notification
+		if (needsRole && !role) {
+			return null;
+		}
 
 		return await awaitAll({
 			id: notification.id,
@@ -245,15 +171,16 @@ export class NotificationEntityService implements OnModuleInit {
 		});
 	}
 
-	@bindThis
-	public async packGroupedMany(
-		notifications: MiGroupedNotification[],
+	async #packManyInternal <T extends MiNotification | MiGroupedNotification>	(
+		notifications: T[],
 		meId: MiUser['id'],
-	) {
+	): Promise<T[]> {
 		if (notifications.length === 0) return [];
 
 		let validNotifications = notifications;
 
+		validNotifications = await this.#filterValidNotifier(validNotifications, meId);
+
 		const noteIds = validNotifications.map(x => 'noteId' in x ? x.noteId : null).filter(isNotNull);
 		const notes = noteIds.length > 0 ? await this.notesRepository.find({
 			where: { id: In(noteIds) },
@@ -275,13 +202,11 @@ export class NotificationEntityService implements OnModuleInit {
 		const users = userIds.length > 0 ? await this.usersRepository.find({
 			where: { id: In(userIds) },
 		}) : [];
-		const packedUsersArray = await this.userEntityService.packMany(users, { id: meId }, {
-			detail: false,
-		});
+		const packedUsersArray = await this.userEntityService.packMany(users, { id: meId });
 		const packedUsers = new Map(packedUsersArray.map(p => [p.id, p]));
 
 		// 既に解決されたフォローリクエストの通知を除外
-		const followRequestNotifications = validNotifications.filter((x): x is FilterUnionByProperty<MiGroupedNotification, 'type', 'receiveFollowRequest'> => x.type === 'receiveFollowRequest');
+		const followRequestNotifications = validNotifications.filter((x): x is FilterUnionByProperty<T, 'type', 'receiveFollowRequest'> => x.type === 'receiveFollowRequest');
 		if (followRequestNotifications.length > 0) {
 			const reqs = await this.followRequestsRepository.find({
 				where: { followerId: In(followRequestNotifications.map(x => x.notifierId)) },
@@ -289,9 +214,107 @@ export class NotificationEntityService implements OnModuleInit {
 			validNotifications = validNotifications.filter(x => (x.type !== 'receiveFollowRequest') || reqs.some(r => r.followerId === x.notifierId));
 		}
 
-		return await Promise.all(validNotifications.map(x => this.packGrouped(x, meId, {}, {
-			packedNotes,
-			packedUsers,
-		})));
+		const packPromises = validNotifications.map(x => {
+			return this.pack(
+				x,
+				meId,
+				{ checkValidNotifier: false },
+				{ packedNotes, packedUsers },
+			);
+		});
+
+		return (await Promise.all(packPromises)).filter(isNotNull);
+	}
+
+	@bindThis
+	public async pack(
+		src: MiNotification | MiGroupedNotification,
+		meId: MiUser['id'],
+		// eslint-disable-next-line @typescript-eslint/ban-types
+		options: {
+			checkValidNotifier?: boolean;
+		},
+		hint?: {
+			packedNotes: Map<MiNote['id'], Packed<'Note'>>;
+			packedUsers: Map<MiUser['id'], Packed<'UserLite'>>;
+		},
+	): Promise<Packed<'Notification'> | null> {
+		return await this.#packInternal(src, meId, options, hint);
+	}
+
+	@bindThis
+	public async packMany(
+		notifications: MiNotification[],
+		meId: MiUser['id'],
+	): Promise<MiNotification[]> {
+		return await this.#packManyInternal(notifications, meId);
+	}
+
+	@bindThis
+	public async packGroupedMany(
+		notifications: MiGroupedNotification[],
+		meId: MiUser['id'],
+	): Promise<MiGroupedNotification[]> {
+		return await this.#packManyInternal(notifications, meId);
+	}
+
+	/**
+	 * notifierが存在するか、ミュートされていないか、サスペンドされていないかを確認するvalidator
+	 */
+	#validateNotifier <T extends MiNotification | MiGroupedNotification> (
+		notification: T,
+		userIdsWhoMeMuting: Set<MiUser['id']>,
+		userMutedInstances: Set<string>,
+		notifiers: MiUser[],
+	): boolean {
+		if (!('notifierId' in notification)) return true;
+		if (userIdsWhoMeMuting.has(notification.notifierId)) return false;
+
+		const notifier = notifiers.find(x => x.id === notification.notifierId) ?? null;
+
+		if (notifier == null) return false;
+		if (notifier.host && userMutedInstances.has(notifier.host)) return false;
+
+		if (notifier.isSuspended) return false;
+
+		return true;
+	}
+
+	/**
+	 * notifierが存在するか、ミュートされていないか、サスペンドされていないかを実際に確認する
+	 */
+	async #isValidNotifier(
+		notification: MiNotification | MiGroupedNotification,
+		meId: MiUser['id'],
+	): Promise<boolean> {
+		return (await this.#filterValidNotifier([notification], meId)).length === 1;
+	}
+
+	/**
+	 * notifierが存在するか、ミュートされていないか、サスペンドされていないかを実際に複数確認する
+	 */
+	async #filterValidNotifier <T extends MiNotification | MiGroupedNotification> (
+		notifications: T[],
+		meId: MiUser['id'],
+	): Promise<T[]> {
+		const [
+			userIdsWhoMeMuting,
+			userMutedInstances,
+		] = await Promise.all([
+			this.cacheService.userMutingsCache.fetch(meId),
+			this.cacheService.userProfileCache.fetch(meId).then(p => new Set(p.mutedInstances)),
+		]);
+
+		const notifierIds = notifications.map(notification => 'notifierId' in notification ? notification.notifierId : null).filter(isNotNull);
+		const notifiers = notifierIds.length > 0 ? await this.usersRepository.find({
+			where: { id: In(notifierIds) },
+		}) : [];
+
+		const filteredNotifications = ((await Promise.all(notifications.map(async (notification) => {
+			const isValid = this.#validateNotifier(notification, userIdsWhoMeMuting, userMutedInstances, notifiers);
+			return isValid ? notification : null;
+		}))) as [T | null] ).filter(isNotNull);
+
+		return filteredNotifications;
 	}
 }
diff --git a/packages/backend/src/core/entities/PageEntityService.ts b/packages/backend/src/core/entities/PageEntityService.ts
index f39ef949db..65c69a49a7 100644
--- a/packages/backend/src/core/entities/PageEntityService.ts
+++ b/packages/backend/src/core/entities/PageEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -14,6 +14,7 @@ import type { MiPage } from '@/models/Page.js';
 import type { MiDriveFile } from '@/models/DriveFile.js';
 import { bindThis } from '@/decorators.js';
 import { IdService } from '@/core/IdService.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import { UserEntityService } from './UserEntityService.js';
 import { DriveFileEntityService } from './DriveFileEntityService.js';
 
@@ -90,7 +91,7 @@ export class PageEntityService {
 			createdAt: this.idService.parse(page.id).date.toISOString(),
 			updatedAt: page.updatedAt.toISOString(),
 			userId: page.userId,
-			user: this.userEntityService.pack(page.user ?? page.userId, me), // { detail: true } すると無限ループするので注意
+			user: this.userEntityService.pack(page.user ?? page.userId, me), // { schema: 'UserDetailed' } すると無限ループするので注意
 			content: page.content,
 			variables: page.variables,
 			title: page.title,
@@ -102,9 +103,9 @@ export class PageEntityService {
 			script: page.script,
 			eyeCatchingImageId: page.eyeCatchingImageId,
 			eyeCatchingImage: page.eyeCatchingImageId ? await this.driveFileEntityService.pack(page.eyeCatchingImageId) : null,
-			attachedFiles: this.driveFileEntityService.packMany((await Promise.all(attachedFiles)).filter((x): x is MiDriveFile => x != null)),
+			attachedFiles: this.driveFileEntityService.packMany((await Promise.all(attachedFiles)).filter(isNotNull)),
 			likedCount: page.likedCount,
-			isLiked: meId ? await this.pageLikesRepository.exist({ where: { pageId: page.id, userId: meId } }) : undefined,
+			isLiked: meId ? await this.pageLikesRepository.exists({ where: { pageId: page.id, userId: meId } }) : undefined,
 		});
 	}
 
diff --git a/packages/backend/src/core/entities/PageLikeEntityService.ts b/packages/backend/src/core/entities/PageLikeEntityService.ts
index 4dc691ab93..cfccbcb660 100644
--- a/packages/backend/src/core/entities/PageLikeEntityService.ts
+++ b/packages/backend/src/core/entities/PageLikeEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/RenoteMutingEntityService.ts b/packages/backend/src/core/entities/RenoteMutingEntityService.ts
index 3f9dc9180a..0b05a5db80 100644
--- a/packages/backend/src/core/entities/RenoteMutingEntityService.ts
+++ b/packages/backend/src/core/entities/RenoteMutingEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -38,7 +38,7 @@ export class RenoteMutingEntityService {
 			createdAt: this.idService.parse(muting.id).date.toISOString(),
 			muteeId: muting.muteeId,
 			mutee: this.userEntityService.pack(muting.muteeId, me, {
-				detail: true,
+				schema: 'UserDetailedNotMe',
 			}),
 		});
 	}
diff --git a/packages/backend/src/core/entities/ReversiGameEntityService.ts b/packages/backend/src/core/entities/ReversiGameEntityService.ts
new file mode 100644
index 0000000000..32cbe631e4
--- /dev/null
+++ b/packages/backend/src/core/entities/ReversiGameEntityService.ts
@@ -0,0 +1,120 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import { DI } from '@/di-symbols.js';
+import type { ReversiGamesRepository } from '@/models/_.js';
+import { awaitAll } from '@/misc/prelude/await-all.js';
+import type { Packed } from '@/misc/json-schema.js';
+import type { } from '@/models/Blocking.js';
+import type { MiReversiGame } from '@/models/ReversiGame.js';
+import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
+import { UserEntityService } from './UserEntityService.js';
+
+@Injectable()
+export class ReversiGameEntityService {
+	constructor(
+		@Inject(DI.reversiGamesRepository)
+		private reversiGamesRepository: ReversiGamesRepository,
+
+		private userEntityService: UserEntityService,
+		private idService: IdService,
+	) {
+	}
+
+	@bindThis
+	public async packDetail(
+		src: MiReversiGame['id'] | MiReversiGame,
+	): Promise<Packed<'ReversiGameDetailed'>> {
+		const game = typeof src === 'object' ? src : await this.reversiGamesRepository.findOneByOrFail({ id: src });
+
+		const users = await Promise.all([
+			this.userEntityService.pack(game.user1 ?? game.user1Id),
+			this.userEntityService.pack(game.user2 ?? game.user2Id),
+		]);
+
+		return await awaitAll({
+			id: game.id,
+			createdAt: this.idService.parse(game.id).date.toISOString(),
+			startedAt: game.startedAt && game.startedAt.toISOString(),
+			endedAt: game.endedAt && game.endedAt.toISOString(),
+			isStarted: game.isStarted,
+			isEnded: game.isEnded,
+			form1: game.form1,
+			form2: game.form2,
+			user1Ready: game.user1Ready,
+			user2Ready: game.user2Ready,
+			user1Id: game.user1Id,
+			user2Id: game.user2Id,
+			user1: users[0],
+			user2: users[1],
+			winnerId: game.winnerId,
+			winner: game.winnerId ? users.find(u => u.id === game.winnerId)! : null,
+			surrenderedUserId: game.surrenderedUserId,
+			timeoutUserId: game.timeoutUserId,
+			black: game.black,
+			bw: game.bw,
+			isLlotheo: game.isLlotheo,
+			canPutEverywhere: game.canPutEverywhere,
+			loopedBoard: game.loopedBoard,
+			timeLimitForEachTurn: game.timeLimitForEachTurn,
+			noIrregularRules: game.noIrregularRules,
+			logs: game.logs,
+			map: game.map,
+		});
+	}
+
+	@bindThis
+	public packDetailMany(
+		xs: MiReversiGame[],
+	) {
+		return Promise.all(xs.map(x => this.packDetail(x)));
+	}
+
+	@bindThis
+	public async packLite(
+		src: MiReversiGame['id'] | MiReversiGame,
+	): Promise<Packed<'ReversiGameLite'>> {
+		const game = typeof src === 'object' ? src : await this.reversiGamesRepository.findOneByOrFail({ id: src });
+
+		const users = await Promise.all([
+			this.userEntityService.pack(game.user1 ?? game.user1Id),
+			this.userEntityService.pack(game.user2 ?? game.user2Id),
+		]);
+
+		return await awaitAll({
+			id: game.id,
+			createdAt: this.idService.parse(game.id).date.toISOString(),
+			startedAt: game.startedAt && game.startedAt.toISOString(),
+			endedAt: game.endedAt && game.endedAt.toISOString(),
+			isStarted: game.isStarted,
+			isEnded: game.isEnded,
+			user1Id: game.user1Id,
+			user2Id: game.user2Id,
+			user1: users[0],
+			user2: users[1],
+			winnerId: game.winnerId,
+			winner: game.winnerId ? users.find(u => u.id === game.winnerId)! : null,
+			surrenderedUserId: game.surrenderedUserId,
+			timeoutUserId: game.timeoutUserId,
+			black: game.black,
+			bw: game.bw,
+			isLlotheo: game.isLlotheo,
+			canPutEverywhere: game.canPutEverywhere,
+			loopedBoard: game.loopedBoard,
+			timeLimitForEachTurn: game.timeLimitForEachTurn,
+			noIrregularRules: game.noIrregularRules,
+		});
+	}
+
+	@bindThis
+	public packLiteMany(
+		xs: MiReversiGame[],
+	) {
+		return Promise.all(xs.map(x => this.packLite(x)));
+	}
+}
+
diff --git a/packages/backend/src/core/entities/RoleEntityService.ts b/packages/backend/src/core/entities/RoleEntityService.ts
index 5563f9a1ac..2a7dc37bce 100644
--- a/packages/backend/src/core/entities/RoleEntityService.ts
+++ b/packages/backend/src/core/entities/RoleEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/SigninEntityService.ts b/packages/backend/src/core/entities/SigninEntityService.ts
index 6bde3e589a..00b124d594 100644
--- a/packages/backend/src/core/entities/SigninEntityService.ts
+++ b/packages/backend/src/core/entities/SigninEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
diff --git a/packages/backend/src/core/entities/UserEntityService.ts b/packages/backend/src/core/entities/UserEntityService.ts
index adb7dfbf86..8f5d986fac 100644
--- a/packages/backend/src/core/entities/UserEntityService.ts
+++ b/packages/backend/src/core/entities/UserEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
@@ -25,19 +25,12 @@ import { IdService } from '@/core/IdService.js';
 import type { AnnouncementService } from '@/core/AnnouncementService.js';
 import type { CustomEmojiService } from '@/core/CustomEmojiService.js';
 import { AvatarDecorationService } from '@/core/AvatarDecorationService.js';
+import { isNotNull } from '@/misc/is-not-null.js';
 import type { OnModuleInit } from '@nestjs/common';
 import type { NoteEntityService } from './NoteEntityService.js';
 import type { DriveFileEntityService } from './DriveFileEntityService.js';
 import type { PageEntityService } from './PageEntityService.js';
 
-type IsUserDetailed<Detailed extends boolean> = Detailed extends true ? Packed<'UserDetailed'> : Packed<'UserLite'>;
-type IsMeAndIsUserDetailed<ExpectsMe extends boolean | null, Detailed extends boolean> =
-	Detailed extends true ?
-		ExpectsMe extends true ? Packed<'MeDetailed'> :
-		ExpectsMe extends false ? Packed<'UserDetailedNotMe'> :
-		Packed<'UserDetailed'> :
-	Packed<'UserLite'>;
-
 const Ajv = _Ajv.default;
 const ajv = new Ajv();
 
@@ -161,43 +154,43 @@ export class UserEntityService implements OnModuleInit {
 				followerId: me,
 				followeeId: target,
 			}),
-			this.followingsRepository.exist({
+			this.followingsRepository.exists({
 				where: {
 					followerId: target,
 					followeeId: me,
 				},
 			}),
-			this.followRequestsRepository.exist({
+			this.followRequestsRepository.exists({
 				where: {
 					followerId: me,
 					followeeId: target,
 				},
 			}),
-			this.followRequestsRepository.exist({
+			this.followRequestsRepository.exists({
 				where: {
 					followerId: target,
 					followeeId: me,
 				},
 			}),
-			this.blockingsRepository.exist({
+			this.blockingsRepository.exists({
 				where: {
 					blockerId: me,
 					blockeeId: target,
 				},
 			}),
-			this.blockingsRepository.exist({
+			this.blockingsRepository.exists({
 				where: {
 					blockerId: target,
 					blockeeId: me,
 				},
 			}),
-			this.mutingsRepository.exist({
+			this.mutingsRepository.exists({
 				where: {
 					muterId: me,
 					muteeId: target,
 				},
 			}),
-			this.renoteMutingsRepository.exist({
+			this.renoteMutingsRepository.exists({
 				where: {
 					muterId: me,
 					muteeId: target,
@@ -224,7 +217,7 @@ export class UserEntityService implements OnModuleInit {
 		/*
 		const myAntennas = (await this.antennaService.getAntennas()).filter(a => a.userId === userId);
 
-		const isUnread = (myAntennas.length > 0 ? await this.antennaNotesRepository.exist({
+		const isUnread = (myAntennas.length > 0 ? await this.antennaNotesRepository.exists({
 			where: {
 				antennaId: In(myAntennas.map(x => x.id)),
 				read: false,
@@ -304,17 +297,17 @@ export class UserEntityService implements OnModuleInit {
 		return `${this.config.url}/users/${userId}`;
 	}
 
-	public async pack<ExpectsMe extends boolean | null = null, D extends boolean = false>(
+	public async pack<S extends 'MeDetailed' | 'UserDetailedNotMe' | 'UserDetailed' | 'UserLite' = 'UserLite'>(
 		src: MiUser['id'] | MiUser,
 		me?: { id: MiUser['id']; } | null | undefined,
 		options?: {
-			detail?: D,
+			schema?: S,
 			includeSecrets?: boolean,
 			userProfile?: MiUserProfile,
 		},
-	): Promise<IsMeAndIsUserDetailed<ExpectsMe, D>> {
+	): Promise<Packed<S>> {
 		const opts = Object.assign({
-			detail: false,
+			schema: 'UserLite',
 			includeSecrets: false,
 		}, options);
 
@@ -346,19 +339,20 @@ export class UserEntityService implements OnModuleInit {
 			});
 		}
 
+		const isDetailed = opts.schema !== 'UserLite';
 		const meId = me ? me.id : null;
 		const isMe = meId === user.id;
 		const iAmModerator = me ? await this.roleService.isModerator(me as MiUser) : false;
 
-		const relation = meId && !isMe && opts.detail ? await this.getRelation(meId, user.id) : null;
-		const pins = opts.detail ? await this.userNotePiningsRepository.createQueryBuilder('pin')
+		const relation = meId && !isMe && isDetailed ? await this.getRelation(meId, user.id) : null;
+		const pins = isDetailed ? await this.userNotePiningsRepository.createQueryBuilder('pin')
 			.where('pin.userId = :userId', { userId: user.id })
 			.innerJoinAndSelect('pin.note', 'note')
 			.orderBy('pin.id', 'DESC')
 			.getMany() : [];
-		const profile = opts.detail ? (opts.userProfile ?? await this.userProfilesRepository.findOneByOrFail({ userId: user.id })) : null;
+		const profile = isDetailed ? (opts.userProfile ?? await this.userProfilesRepository.findOneByOrFail({ userId: user.id })) : null;
 
-		const mastoapi = !opts.detail ? opts.userProfile ?? await this.userProfilesRepository.findOneByOrFail({ userId: user.id }) : null;
+		const mastoapi = !isDetailed ? opts.userProfile ?? await this.userProfilesRepository.findOneByOrFail({ userId: user.id }) : null;
 
 		const followingCount = profile == null ? null :
 			(profile.followingVisibility === 'public') || isMe ? user.followingCount :
@@ -370,17 +364,16 @@ export class UserEntityService implements OnModuleInit {
 			(profile.followersVisibility === 'followers') && (relation && relation.isFollowing) ? user.followersCount :
 			null;
 
-		const isModerator = isMe && opts.detail ? this.roleService.isModerator(user) : null;
-		const isAdmin = isMe && opts.detail ? this.roleService.isAdministrator(user) : null;
-		const unreadAnnouncements = isMe && opts.detail ?
+		const isModerator = isMe && isDetailed ? this.roleService.isModerator(user) : null;
+		const isAdmin = isMe && isDetailed ? this.roleService.isAdministrator(user) : null;
+		const unreadAnnouncements = isMe && isDetailed ?
 			(await this.announcementService.getUnreadAnnouncements(user)).map((announcement) => ({
 				createdAt: this.idService.parse(announcement.id).date.toISOString(),
 				...announcement,
 			})) : null;
 
 		const checkHost = user.host == null ? this.config.host : user.host;
-		
-		const notificationsInfo = isMe && opts.detail ? await this.getNotificationsInfo(user.id) : null;
+		const notificationsInfo = isMe && isDetailed ? await this.getNotificationsInfo(user.id) : null;
 
 		const packed = {
 			id: user.id,
@@ -425,13 +418,13 @@ export class UserEntityService implements OnModuleInit {
 				displayOrder: r.displayOrder,
 			}))) : undefined,
 
-			...(opts.detail ? {
+			...(isDetailed ? {
 				url: profile!.url,
 				uri: user.uri,
 				movedTo: user.movedToUri ? this.apPersonService.resolvePerson(user.movedToUri).then(user => user.id).catch(() => null) : null,
 				alsoKnownAs: user.alsoKnownAs
 					? Promise.all(user.alsoKnownAs.map(uri => this.apPersonService.fetchPerson(uri).then(user => user?.id).catch(() => null)))
-						.then(xs => xs.length === 0 ? null : xs.filter(x => x != null) as string[])
+						.then(xs => xs.length === 0 ? null : xs.filter(isNotNull))
 					: null,
 				updatedAt: user.updatedAt ? user.updatedAt.toISOString() : null,
 				lastFetchedAt: user.lastFetchedAt ? user.lastFetchedAt.toISOString() : null,
@@ -453,7 +446,7 @@ export class UserEntityService implements OnModuleInit {
 				}),
 				pinnedPageId: profile!.pinnedPageId,
 				pinnedPage: profile!.pinnedPageId ? this.pageEntityService.pack(profile!.pinnedPageId, me) : null,
-				publicReactions: profile!.publicReactions,
+				publicReactions: this.isLocalUser(user) ? profile!.publicReactions : false, // https://github.com/misskey-dev/misskey/issues/12964
 				followersVisibility: profile!.followersVisibility,
 				followingVisibility: profile!.followingVisibility,
 				twoFactorEnabled: profile!.twoFactorEnabled,
@@ -480,7 +473,7 @@ export class UserEntityService implements OnModuleInit {
 				moderationNote: iAmModerator ? (profile!.moderationNote ?? '') : undefined,
 			} : {}),
 
-			...(opts.detail && isMe ? {
+			...(isDetailed && isMe ? {
 				avatarId: user.avatarId,
 				bannerId: user.bannerId,
 				backgroundId: user.backgroundId,
@@ -554,19 +547,19 @@ export class UserEntityService implements OnModuleInit {
 				notify: relation.following?.notify ?? 'none',
 				withReplies: relation.following?.withReplies ?? false,
 			} : {}),
-		} as Promiseable<Packed<'User'>> as Promiseable<IsMeAndIsUserDetailed<ExpectsMe, D>>;
+		} as Promiseable<Packed<S>>;
 
 		return await awaitAll(packed);
 	}
 
-	public packMany<D extends boolean = false>(
+	public packMany<S extends 'MeDetailed' | 'UserDetailedNotMe' | 'UserDetailed' | 'UserLite' = 'UserLite'>(
 		users: (MiUser['id'] | MiUser)[],
 		me?: { id: MiUser['id'] } | null | undefined,
 		options?: {
-			detail?: D,
+			schema?: S,
 			includeSecrets?: boolean,
 		},
-	): Promise<IsUserDetailed<D>[]> {
+	): Promise<Packed<S>[]> {
 		return Promise.all(users.map(u => this.pack(u, me, options)));
 	}
 }
diff --git a/packages/backend/src/core/entities/UserListEntityService.ts b/packages/backend/src/core/entities/UserListEntityService.ts
index 31ab7293da..09cab24521 100644
--- a/packages/backend/src/core/entities/UserListEntityService.ts
+++ b/packages/backend/src/core/entities/UserListEntityService.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */