Merge pull request #12177 from misskey-dev/develop

Release: 2023.11.0

37 files changed, 1439 insertions, 594 deletions

diff --git a/packages/backend/src/server/api/endpoints/admin/announcements/create.ts b/packages/backend/src/server/api/endpoints/admin/announcements/create.ts
index 253a29cf5a..69c31a05eb 100644
--- a/packages/backend/src/server/api/endpoints/admin/announcements/create.ts
+++ b/packages/backend/src/server/api/endpoints/admin/announcements/create.ts
@@ -58,6 +58,7 @@ export const paramDef = {
 		icon: { type: 'string', enum: ['info', 'warning', 'error', 'success'], default: 'info' },
 		display: { type: 'string', enum: ['normal', 'banner', 'dialog'], default: 'normal' },
 		forExistingUsers: { type: 'boolean', default: false },
+		silence: { type: 'boolean', default: false },
 		needConfirmationToRead: { type: 'boolean', default: false },
 		userId: { type: 'string', format: 'misskey:id', nullable: true, default: null },
 	},
@@ -78,6 +79,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				icon: ps.icon,
 				display: ps.display,
 				forExistingUsers: ps.forExistingUsers,
+				silence: ps.silence,
 				needConfirmationToRead: ps.needConfirmationToRead,
 				userId: ps.userId,
 			}, me);
diff --git a/packages/backend/src/server/api/endpoints/admin/announcements/list.ts b/packages/backend/src/server/api/endpoints/admin/announcements/list.ts
index fefc379c00..9630299a6e 100644
--- a/packages/backend/src/server/api/endpoints/admin/announcements/list.ts
+++ b/packages/backend/src/server/api/endpoints/admin/announcements/list.ts
@@ -86,6 +86,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const query = this.queryService.makePaginationQuery(this.announcementsRepository.createQueryBuilder('announcement'), ps.sinceId, ps.untilId);
+			query.andWhere('announcement.isActive = true');
 			if (ps.userId) {
 				query.andWhere('announcement.userId = :userId', { userId: ps.userId });
 			} else {
@@ -113,6 +114,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				display: announcement.display,
 				isActive: announcement.isActive,
 				forExistingUsers: announcement.forExistingUsers,
+				silence: announcement.silence,
 				needConfirmationToRead: announcement.needConfirmationToRead,
 				userId: announcement.userId,
 				reads: reads.get(announcement)!,
diff --git a/packages/backend/src/server/api/endpoints/admin/announcements/update.ts b/packages/backend/src/server/api/endpoints/admin/announcements/update.ts
index d36590c264..717866aead 100644
--- a/packages/backend/src/server/api/endpoints/admin/announcements/update.ts
+++ b/packages/backend/src/server/api/endpoints/admin/announcements/update.ts
@@ -35,6 +35,7 @@ export const paramDef = {
 		icon: { type: 'string', enum: ['info', 'warning', 'error', 'success'] },
 		display: { type: 'string', enum: ['normal', 'banner', 'dialog'] },
 		forExistingUsers: { type: 'boolean' },
+		silence: { type: 'boolean' },
 		needConfirmationToRead: { type: 'boolean' },
 		isActive: { type: 'boolean' },
 	},
@@ -63,6 +64,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				display: ps.display,
 				icon: ps.icon,
 				forExistingUsers: ps.forExistingUsers,
+				silence: ps.silence,
 				needConfirmationToRead: ps.needConfirmationToRead,
 				isActive: ps.isActive,
 			}, me);
diff --git a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/create.ts b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/create.ts
new file mode 100644
index 0000000000..ec143fcb53
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/create.ts
@@ -0,0 +1,44 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { AvatarDecorationService } from '@/core/AvatarDecorationService.js';
+
+export const meta = {
+	tags: ['admin'],
+
+	requireCredential: true,
+	requireRolePolicy: 'canManageAvatarDecorations',
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		name: { type: 'string', minLength: 1 },
+		description: { type: 'string' },
+		url: { type: 'string', minLength: 1 },
+		roleIdsThatCanBeUsedThisDecoration: { type: 'array', items: {
+			type: 'string',
+		} },
+	},
+	required: ['name', 'description', 'url'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private avatarDecorationService: AvatarDecorationService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			await this.avatarDecorationService.create({
+				name: ps.name,
+				description: ps.description,
+				url: ps.url,
+				roleIdsThatCanBeUsedThisDecoration: ps.roleIdsThatCanBeUsedThisDecoration,
+			}, me);
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/delete.ts b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/delete.ts
new file mode 100644
index 0000000000..6f1f386871
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/delete.ts
@@ -0,0 +1,38 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { DI } from '@/di-symbols.js';
+import { AvatarDecorationService } from '@/core/AvatarDecorationService.js';
+import { ApiError } from '../../../error.js';
+
+export const meta = {
+	tags: ['admin'],
+
+	requireCredential: true,
+	requireRolePolicy: 'canManageAvatarDecorations',
+	errors: {
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		id: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['id'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private avatarDecorationService: AvatarDecorationService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			await this.avatarDecorationService.delete(ps.id, me);
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/list.ts b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/list.ts
new file mode 100644
index 0000000000..d9c669377d
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/list.ts
@@ -0,0 +1,101 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import type { AnnouncementsRepository, AnnouncementReadsRepository } from '@/models/_.js';
+import type { MiAnnouncement } from '@/models/Announcement.js';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { QueryService } from '@/core/QueryService.js';
+import { DI } from '@/di-symbols.js';
+import { IdService } from '@/core/IdService.js';
+import { AvatarDecorationService } from '@/core/AvatarDecorationService.js';
+
+export const meta = {
+	tags: ['admin'],
+
+	requireCredential: true,
+	requireRolePolicy: 'canManageAvatarDecorations',
+
+	res: {
+		type: 'array',
+		optional: false, nullable: false,
+		items: {
+			type: 'object',
+			optional: false, nullable: false,
+			properties: {
+				id: {
+					type: 'string',
+					optional: false, nullable: false,
+					format: 'id',
+					example: 'xxxxxxxxxx',
+				},
+				createdAt: {
+					type: 'string',
+					optional: false, nullable: false,
+					format: 'date-time',
+				},
+				updatedAt: {
+					type: 'string',
+					optional: false, nullable: true,
+					format: 'date-time',
+				},
+				name: {
+					type: 'string',
+					optional: false, nullable: false,
+				},
+				description: {
+					type: 'string',
+					optional: false, nullable: false,
+				},
+				url: {
+					type: 'string',
+					optional: false, nullable: false,
+				},
+				roleIdsThatCanBeUsedThisDecoration: {
+					type: 'array',
+					optional: false, nullable: false,
+					items: {
+						type: 'string',
+						optional: false, nullable: false,
+						format: 'id',
+					},
+				},
+			},
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		userId: { type: 'string', format: 'misskey:id', nullable: true },
+	},
+	required: [],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private avatarDecorationService: AvatarDecorationService,
+		private idService: IdService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const avatarDecorations = await this.avatarDecorationService.getAll(true);
+
+			return avatarDecorations.map(avatarDecoration => ({
+				id: avatarDecoration.id,
+				createdAt: this.idService.parse(avatarDecoration.id).date.toISOString(),
+				updatedAt: avatarDecoration.updatedAt?.toISOString() ?? null,
+				name: avatarDecoration.name,
+				description: avatarDecoration.description,
+				url: avatarDecoration.url,
+				roleIdsThatCanBeUsedThisDecoration: avatarDecoration.roleIdsThatCanBeUsedThisDecoration,
+			}));
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/update.ts b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/update.ts
new file mode 100644
index 0000000000..5ea9a40762
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/update.ts
@@ -0,0 +1,50 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { DI } from '@/di-symbols.js';
+import { AvatarDecorationService } from '@/core/AvatarDecorationService.js';
+import { ApiError } from '../../../error.js';
+
+export const meta = {
+	tags: ['admin'],
+
+	requireCredential: true,
+	requireRolePolicy: 'canManageAvatarDecorations',
+
+	errors: {
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		id: { type: 'string', format: 'misskey:id' },
+		name: { type: 'string', minLength: 1 },
+		description: { type: 'string' },
+		url: { type: 'string', minLength: 1 },
+		roleIdsThatCanBeUsedThisDecoration: { type: 'array', items: {
+			type: 'string',
+		} },
+	},
+	required: ['id'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private avatarDecorationService: AvatarDecorationService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			await this.avatarDecorationService.update(ps.id, {
+				name: ps.name,
+				description: ps.description,
+				url: ps.url,
+				roleIdsThatCanBeUsedThisDecoration: ps.roleIdsThatCanBeUsedThisDecoration,
+			}, me);
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/admin/meta.ts b/packages/backend/src/server/api/endpoints/admin/meta.ts
index f294934344..73c84a8674 100644
--- a/packages/backend/src/server/api/endpoints/admin/meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/meta.ts
@@ -106,11 +106,11 @@ export const meta = {
 				optional: false, nullable: false,
 			},
 			silencedHosts: {
-				type: "array",
+				type: 'array',
 				optional: true,
 				nullable: false,
 				items: {
-					type: "string",
+					type: 'string',
 					optional: false,
 					nullable: false,
 				},
@@ -291,6 +291,10 @@ export const meta = {
 				type: 'object',
 				optional: false, nullable: false,
 			},
+			enableFanoutTimeline: {
+				type: 'boolean',
+				optional: false, nullable: false,
+			},
 			perLocalUserUserTimelineCacheMax: {
 				type: 'number',
 				optional: false, nullable: false,
@@ -419,6 +423,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				enableIdenticonGeneration: instance.enableIdenticonGeneration,
 				policies: { ...DEFAULT_POLICIES, ...instance.policies },
 				manifestJsonOverride: instance.manifestJsonOverride,
+				enableFanoutTimeline: instance.enableFanoutTimeline,
 				perLocalUserUserTimelineCacheMax: instance.perLocalUserUserTimelineCacheMax,
 				perRemoteUserUserTimelineCacheMax: instance.perRemoteUserUserTimelineCacheMax,
 				perUserHomeTimelineCacheMax: instance.perUserHomeTimelineCacheMax,
diff --git a/packages/backend/src/server/api/endpoints/admin/update-meta.ts b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
index f05819b186..c58569a31c 100644
--- a/packages/backend/src/server/api/endpoints/admin/update-meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
@@ -120,6 +120,7 @@ export const paramDef = {
 		serverRules: { type: 'array', items: { type: 'string' } },
 		preservedUsernames: { type: 'array', items: { type: 'string' } },
 		manifestJsonOverride: { type: 'string' },
+		enableFanoutTimeline: { type: 'boolean' },
 		perLocalUserUserTimelineCacheMax: { type: 'integer' },
 		perRemoteUserUserTimelineCacheMax: { type: 'integer' },
 		perUserHomeTimelineCacheMax: { type: 'integer' },
@@ -480,6 +481,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				set.manifestJsonOverride = ps.manifestJsonOverride;
 			}
 
+			if (ps.enableFanoutTimeline !== undefined) {
+				set.enableFanoutTimeline = ps.enableFanoutTimeline;
+			}
+
 			if (ps.perLocalUserUserTimelineCacheMax !== undefined) {
 				set.perLocalUserUserTimelineCacheMax = ps.perLocalUserUserTimelineCacheMax;
 			}
diff --git a/packages/backend/src/server/api/endpoints/channels/create.ts b/packages/backend/src/server/api/endpoints/channels/create.ts
index 3ba411d28c..3dd1eddd01 100644
--- a/packages/backend/src/server/api/endpoints/channels/create.ts
+++ b/packages/backend/src/server/api/endpoints/channels/create.ts
@@ -50,6 +50,7 @@ export const paramDef = {
 		bannerId: { type: 'string', format: 'misskey:id', nullable: true },
 		color: { type: 'string', minLength: 1, maxLength: 16 },
 		isSensitive: { type: 'boolean', nullable: true },
+		allowRenoteToExternal: { type: 'boolean', nullable: true },
 	},
 	required: ['name'],
 } as const;
@@ -87,6 +88,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				bannerId: banner ? banner.id : null,
 				isSensitive: ps.isSensitive ?? false,
 				...(ps.color !== undefined ? { color: ps.color } : {}),
+				allowRenoteToExternal: ps.allowRenoteToExternal ?? true,
 			} as MiChannel).then(x => this.channelsRepository.findOneByOrFail(x.identifiers[0]));
 
 			return await this.channelEntityService.pack(channel, me);
diff --git a/packages/backend/src/server/api/endpoints/channels/follow.ts b/packages/backend/src/server/api/endpoints/channels/follow.ts
index 76ec6be805..bb5a477eb8 100644
--- a/packages/backend/src/server/api/endpoints/channels/follow.ts
+++ b/packages/backend/src/server/api/endpoints/channels/follow.ts
@@ -5,9 +5,9 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { ChannelFollowingsRepository, ChannelsRepository } from '@/models/_.js';
-import { IdService } from '@/core/IdService.js';
+import type { ChannelsRepository } from '@/models/_.js';
 import { DI } from '@/di-symbols.js';
+import { ChannelFollowingService } from '@/core/ChannelFollowingService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -41,11 +41,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	constructor(
 		@Inject(DI.channelsRepository)
 		private channelsRepository: ChannelsRepository,
-
-		@Inject(DI.channelFollowingsRepository)
-		private channelFollowingsRepository: ChannelFollowingsRepository,
-
-		private idService: IdService,
+		private channelFollowingService: ChannelFollowingService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const channel = await this.channelsRepository.findOneBy({
@@ -56,11 +52,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.noSuchChannel);
 			}
 
-			await this.channelFollowingsRepository.insert({
-				id: this.idService.gen(),
-				followerId: me.id,
-				followeeId: channel.id,
-			});
+			await this.channelFollowingService.follow(me, channel);
 		});
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/channels/unfollow.ts b/packages/backend/src/server/api/endpoints/channels/unfollow.ts
index 46883dd548..c95332c7f8 100644
--- a/packages/backend/src/server/api/endpoints/channels/unfollow.ts
+++ b/packages/backend/src/server/api/endpoints/channels/unfollow.ts
@@ -5,8 +5,9 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { ChannelFollowingsRepository, ChannelsRepository } from '@/models/_.js';
+import type { ChannelsRepository } from '@/models/_.js';
 import { DI } from '@/di-symbols.js';
+import { ChannelFollowingService } from '@/core/ChannelFollowingService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -40,9 +41,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	constructor(
 		@Inject(DI.channelsRepository)
 		private channelsRepository: ChannelsRepository,
-
-		@Inject(DI.channelFollowingsRepository)
-		private channelFollowingsRepository: ChannelFollowingsRepository,
+		private channelFollowingService: ChannelFollowingService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const channel = await this.channelsRepository.findOneBy({
@@ -53,10 +52,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.noSuchChannel);
 			}
 
-			await this.channelFollowingsRepository.delete({
-				followerId: me.id,
-				followeeId: channel.id,
-			});
+			await this.channelFollowingService.unfollow(me, channel);
 		});
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/channels/update.ts b/packages/backend/src/server/api/endpoints/channels/update.ts
index ab69f62a7b..93d02e4a12 100644
--- a/packages/backend/src/server/api/endpoints/channels/update.ts
+++ b/packages/backend/src/server/api/endpoints/channels/update.ts
@@ -61,6 +61,7 @@ export const paramDef = {
 		},
 		color: { type: 'string', minLength: 1, maxLength: 16 },
 		isSensitive: { type: 'boolean', nullable: true },
+		allowRenoteToExternal: { type: 'boolean', nullable: true },
 	},
 	required: ['channelId'],
 } as const;
@@ -115,6 +116,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				...(typeof ps.isArchived === 'boolean' ? { isArchived: ps.isArchived } : {}),
 				...(banner ? { bannerId: banner.id } : {}),
 				...(typeof ps.isSensitive === 'boolean' ? { isSensitive: ps.isSensitive } : {}),
+				...(typeof ps.allowRenoteToExternal === 'boolean' ? { allowRenoteToExternal: ps.allowRenoteToExternal } : {}),
 			});
 
 			return await this.channelEntityService.pack(channel.id, me);
diff --git a/packages/backend/src/server/api/endpoints/fetch-external-resources.ts b/packages/backend/src/server/api/endpoints/fetch-external-resources.ts
new file mode 100644
index 0000000000..d7b46cc666
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/fetch-external-resources.ts
@@ -0,0 +1,72 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { createHash } from 'crypto';
+import ms from 'ms';
+import { Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { HttpRequestService } from '@/core/HttpRequestService.js';
+import { ApiError } from '../error.js';
+
+export const meta = {
+	tags: ['meta'],
+
+	requireCredential: true,
+
+	limit: {
+		duration: ms('1hour'),
+		max: 50,
+	},
+
+	errors: {
+		invalidSchema: {
+			message: 'External resource returned invalid schema.',
+			code: 'EXT_RESOURCE_RETURNED_INVALID_SCHEMA',
+			id: 'bb774091-7a15-4a70-9dc5-6ac8cf125856',
+		},
+		hashUnmached: {
+			message: 'Hash did not match.',
+			code: 'EXT_RESOURCE_HASH_DIDNT_MATCH',
+			id: '693ba8ba-b486-40df-a174-72f8279b56a4',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		url: { type: 'string' },
+		hash: { type: 'string' },
+	},
+	required: ['url', 'hash'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private httpRequestService: HttpRequestService,
+	) {
+		super(meta, paramDef, async (ps) => {
+			const res = await this.httpRequestService.getJson<{
+				type: string;
+				data: string;
+			}>(ps.url);
+
+			if (!res.data || !res.type) {
+				throw new ApiError(meta.errors.invalidSchema);
+			}
+
+			const resHash = createHash('sha512').update(res.data.replace(/\r\n/g, '\n')).digest('hex');
+			if (resHash !== ps.hash) {
+				throw new ApiError(meta.errors.hashUnmached);
+			}
+
+			return {
+				type: res.type,
+				data: res.data,
+			};
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/following/update-all.ts b/packages/backend/src/server/api/endpoints/following/update-all.ts
new file mode 100644
index 0000000000..28734cfdbd
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/following/update-all.ts
@@ -0,0 +1,54 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import ms from 'ms';
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import type { FollowingsRepository } from '@/models/_.js';
+import { UserEntityService } from '@/core/entities/UserEntityService.js';
+import { UserFollowingService } from '@/core/UserFollowingService.js';
+import { DI } from '@/di-symbols.js';
+import { GetterService } from '@/server/api/GetterService.js';
+import { ApiError } from '../../error.js';
+
+export const meta = {
+	tags: ['following', 'users'],
+
+	limit: {
+		duration: ms('1hour'),
+		max: 10,
+	},
+
+	requireCredential: true,
+
+	kind: 'write:following',
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		notify: { type: 'string', enum: ['normal', 'none'] },
+		withReplies: { type: 'boolean' },
+	},
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		@Inject(DI.followingsRepository)
+		private followingsRepository: FollowingsRepository,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			await this.followingsRepository.update({
+				followerId: me.id,
+			}, {
+				notify: ps.notify != null ? (ps.notify === 'none' ? null : ps.notify) : undefined,
+				withReplies: ps.withReplies != null ? ps.withReplies : undefined,
+			});
+
+			return;
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/get-avatar-decorations.ts b/packages/backend/src/server/api/endpoints/get-avatar-decorations.ts
new file mode 100644
index 0000000000..dbe1626149
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/get-avatar-decorations.ts
@@ -0,0 +1,82 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { IsNull } from 'typeorm';
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { DI } from '@/di-symbols.js';
+import { AvatarDecorationService } from '@/core/AvatarDecorationService.js';
+import { RoleService } from '@/core/RoleService.js';
+
+export const meta = {
+	tags: ['users'],
+
+	requireCredential: false,
+
+	res: {
+		type: 'array',
+		optional: false, nullable: false,
+		items: {
+			type: 'object',
+			optional: false, nullable: false,
+			properties: {
+				id: {
+					type: 'string',
+					optional: false, nullable: false,
+					format: 'id',
+					example: 'xxxxxxxxxx',
+				},
+				name: {
+					type: 'string',
+					optional: false, nullable: false,
+				},
+				description: {
+					type: 'string',
+					optional: false, nullable: false,
+				},
+				url: {
+					type: 'string',
+					optional: false, nullable: false,
+				},
+				roleIdsThatCanBeUsedThisDecoration: {
+					type: 'array',
+					optional: false, nullable: false,
+					items: {
+						type: 'string',
+						optional: false, nullable: false,
+						format: 'id',
+					},
+				},
+			},
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {},
+	required: [],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private avatarDecorationService: AvatarDecorationService,
+		private roleService: RoleService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const decorations = await this.avatarDecorationService.getAll(true);
+			const allRoles = await this.roleService.getRoles();
+
+			return decorations.map(decoration => ({
+				id: decoration.id,
+				name: decoration.name,
+				description: decoration.description,
+				url: decoration.url,
+				roleIdsThatCanBeUsedThisDecoration: decoration.roleIdsThatCanBeUsedThisDecoration.filter(roleId => allRoles.some(role => role.id === roleId)),
+			}));
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts b/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts
new file mode 100644
index 0000000000..4ea94b07f6
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts
@@ -0,0 +1,178 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Brackets, In } from 'typeorm';
+import * as Redis from 'ioredis';
+import { Inject, Injectable } from '@nestjs/common';
+import type { NotesRepository } from '@/models/_.js';
+import { obsoleteNotificationTypes, notificationTypes, FilterUnionByProperty } from '@/types.js';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { NoteReadService } from '@/core/NoteReadService.js';
+import { NotificationEntityService } from '@/core/entities/NotificationEntityService.js';
+import { NotificationService } from '@/core/NotificationService.js';
+import { DI } from '@/di-symbols.js';
+import { IdService } from '@/core/IdService.js';
+import { MiGroupedNotification, MiNotification } from '@/models/Notification.js';
+
+export const meta = {
+	tags: ['account', 'notifications'],
+
+	requireCredential: true,
+
+	limit: {
+		duration: 30000,
+		max: 30,
+	},
+
+	kind: 'read:notifications',
+
+	res: {
+		type: 'array',
+		optional: false, nullable: false,
+		items: {
+			type: 'object',
+			optional: false, nullable: false,
+			ref: 'Notification',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		markAsRead: { type: 'boolean', default: true },
+		// 後方互換のため、廃止された通知タイプも受け付ける
+		includeTypes: { type: 'array', items: {
+			type: 'string', enum: [...notificationTypes, ...obsoleteNotificationTypes],
+		} },
+		excludeTypes: { type: 'array', items: {
+			type: 'string', enum: [...notificationTypes, ...obsoleteNotificationTypes],
+		} },
+	},
+	required: [],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		@Inject(DI.redis)
+		private redisClient: Redis.Redis,
+
+		@Inject(DI.notesRepository)
+		private notesRepository: NotesRepository,
+
+		private idService: IdService,
+		private notificationEntityService: NotificationEntityService,
+		private notificationService: NotificationService,
+		private noteReadService: NoteReadService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const EXTRA_LIMIT = 100;
+
+			// includeTypes が空の場合はクエリしない
+			if (ps.includeTypes && ps.includeTypes.length === 0) {
+				return [];
+			}
+			// excludeTypes に全指定されている場合はクエリしない
+			if (notificationTypes.every(type => ps.excludeTypes?.includes(type))) {
+				return [];
+			}
+
+			const includeTypes = ps.includeTypes && ps.includeTypes.filter(type => !(obsoleteNotificationTypes).includes(type as any)) as typeof notificationTypes[number][];
+			const excludeTypes = ps.excludeTypes && ps.excludeTypes.filter(type => !(obsoleteNotificationTypes).includes(type as any)) as typeof notificationTypes[number][];
+
+			const limit = (ps.limit + EXTRA_LIMIT) + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
+			const notificationsRes = await this.redisClient.xrevrange(
+				`notificationTimeline:${me.id}`,
+				ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : '+',
+				ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : '-',
+				'COUNT', limit);
+
+			if (notificationsRes.length === 0) {
+				return [];
+			}
+
+			let notifications = notificationsRes.map(x => JSON.parse(x[1][1])).filter(x => x.id !== ps.untilId && x !== ps.sinceId) as MiNotification[];
+
+			if (includeTypes && includeTypes.length > 0) {
+				notifications = notifications.filter(notification => includeTypes.includes(notification.type));
+			} else if (excludeTypes && excludeTypes.length > 0) {
+				notifications = notifications.filter(notification => !excludeTypes.includes(notification.type));
+			}
+
+			if (notifications.length === 0) {
+				return [];
+			}
+
+			// Mark all as read
+			if (ps.markAsRead) {
+				this.notificationService.readAllNotification(me.id);
+			}
+
+			// grouping
+			let groupedNotifications = [notifications[0]] as MiGroupedNotification[];
+			for (let i = 1; i < notifications.length; i++) {
+				const notification = notifications[i];
+				const prev = notifications[i - 1];
+				let prevGroupedNotification = groupedNotifications.at(-1)!;
+
+				if (prev.type === 'reaction' && notification.type === 'reaction' && prev.noteId === notification.noteId) {
+					if (prevGroupedNotification.type !== 'reaction:grouped') {
+						groupedNotifications[groupedNotifications.length - 1] = {
+							type: 'reaction:grouped',
+							id: '',
+							createdAt: prev.createdAt,
+							noteId: prev.noteId!,
+							reactions: [{
+								userId: prev.notifierId!,
+								reaction: prev.reaction!,
+							}],
+						};
+						prevGroupedNotification = groupedNotifications.at(-1)!;
+					}
+					(prevGroupedNotification as FilterUnionByProperty<MiGroupedNotification, 'type', 'reaction:grouped'>).reactions.push({
+						userId: notification.notifierId!,
+						reaction: notification.reaction!,
+					});
+					prevGroupedNotification.id = notification.id;
+					continue;
+				}
+				if (prev.type === 'renote' && notification.type === 'renote' && prev.targetNoteId === notification.targetNoteId) {
+					if (prevGroupedNotification.type !== 'renote:grouped') {
+						groupedNotifications[groupedNotifications.length - 1] = {
+							type: 'renote:grouped',
+							id: '',
+							createdAt: notification.createdAt,
+							noteId: prev.noteId!,
+							userIds: [prev.notifierId!],
+						};
+						prevGroupedNotification = groupedNotifications.at(-1)!;
+					}
+					(prevGroupedNotification as FilterUnionByProperty<MiGroupedNotification, 'type', 'renote:grouped'>).userIds.push(notification.notifierId!);
+					prevGroupedNotification.id = notification.id;
+					continue;
+				}
+
+				groupedNotifications.push(notification);
+			}
+
+			groupedNotifications = groupedNotifications.slice(0, ps.limit);
+
+			const noteIds = groupedNotifications
+				.filter((notification): notification is FilterUnionByProperty<MiNotification, 'type', 'mention' | 'reply' | 'quote'> => ['mention', 'reply', 'quote'].includes(notification.type))
+				.map(notification => notification.noteId!);
+
+			if (noteIds.length > 0) {
+				const notes = await this.notesRepository.findBy({ id: In(noteIds) });
+				this.noteReadService.read(me.id, notes);
+			}
+
+			return await this.notificationEntityService.packGroupedMany(groupedNotifications, me.id);
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/i/notifications.ts b/packages/backend/src/server/api/endpoints/i/notifications.ts
index 91dd72e805..039fd9454c 100644
--- a/packages/backend/src/server/api/endpoints/i/notifications.ts
+++ b/packages/backend/src/server/api/endpoints/i/notifications.ts
@@ -7,7 +7,7 @@ import { Brackets, In } from 'typeorm';
 import * as Redis from 'ioredis';
 import { Inject, Injectable } from '@nestjs/common';
 import type { NotesRepository } from '@/models/_.js';
-import { obsoleteNotificationTypes, notificationTypes } from '@/types.js';
+import { obsoleteNotificationTypes, notificationTypes, FilterUnionByProperty } from '@/types.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteReadService } from '@/core/NoteReadService.js';
 import { NotificationEntityService } from '@/core/entities/NotificationEntityService.js';
@@ -113,8 +113,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			const noteIds = notifications
-				.filter(notification => ['mention', 'reply', 'quote'].includes(notification.type))
-				.map(notification => notification.noteId!);
+				.filter((notification): notification is FilterUnionByProperty<MiNotification, 'type', 'mention' | 'reply' | 'quote'> => ['mention', 'reply', 'quote'].includes(notification.type))
+				.map(notification => notification.noteId);
 
 			if (noteIds.length > 0) {
 				const notes = await this.notesRepository.findBy({ id: In(noteIds) });
diff --git a/packages/backend/src/server/api/endpoints/i/registry/get-all.ts b/packages/backend/src/server/api/endpoints/i/registry/get-all.ts
index 211e6637dc..29fa0a29cc 100644
--- a/packages/backend/src/server/api/endpoints/i/registry/get-all.ts
+++ b/packages/backend/src/server/api/endpoints/i/registry/get-all.ts
@@ -5,13 +5,10 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { RegistryItemsRepository } from '@/models/_.js';
-import { DI } from '@/di-symbols.js';
+import { RegistryApiService } from '@/core/RegistryApiService.js';
 
 export const meta = {
 	requireCredential: true,
-
-	secure: true,
 } as const;
 
 export const paramDef = {
@@ -20,23 +17,18 @@ export const paramDef = {
 		scope: { type: 'array', default: [], items: {
 			type: 'string', pattern: /^[a-zA-Z0-9_]+$/.toString().slice(1, -1),
 		} },
+		domain: { type: 'string', nullable: true },
 	},
-	required: [],
+	required: ['scope'],
 } as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.registryItemsRepository)
-		private registryItemsRepository: RegistryItemsRepository,
+		private registryApiService: RegistryApiService,
 	) {
-		super(meta, paramDef, async (ps, me) => {
-			const query = this.registryItemsRepository.createQueryBuilder('item')
-				.where('item.domain IS NULL')
-				.andWhere('item.userId = :userId', { userId: me.id })
-				.andWhere('item.scope = :scope', { scope: ps.scope });
-
-			const items = await query.getMany();
+		super(meta, paramDef, async (ps, me, accessToken) => {
+			const items = await this.registryApiService.getAllItemsOfScope(me.id, accessToken != null ? accessToken.id : (ps.domain ?? null), ps.scope);
 
 			const res = {} as Record<string, any>;
 
diff --git a/packages/backend/src/server/api/endpoints/i/registry/get-detail.ts b/packages/backend/src/server/api/endpoints/i/registry/get-detail.ts
index 9c6f2d6781..5b460b45d6 100644
--- a/packages/backend/src/server/api/endpoints/i/registry/get-detail.ts
+++ b/packages/backend/src/server/api/endpoints/i/registry/get-detail.ts
@@ -5,15 +5,12 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { RegistryItemsRepository } from '@/models/_.js';
-import { DI } from '@/di-symbols.js';
+import { RegistryApiService } from '@/core/RegistryApiService.js';
 import { ApiError } from '../../../error.js';
 
 export const meta = {
 	requireCredential: true,
 
-	secure: true,
-
 	errors: {
 		noSuchKey: {
 			message: 'No such key.',
@@ -30,24 +27,18 @@ export const paramDef = {
 		scope: { type: 'array', default: [], items: {
 			type: 'string', pattern: /^[a-zA-Z0-9_]+$/.toString().slice(1, -1),
 		} },
+		domain: { type: 'string', nullable: true },
 	},
-	required: ['key'],
+	required: ['key', 'scope'],
 } as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.registryItemsRepository)
-		private registryItemsRepository: RegistryItemsRepository,
+		private registryApiService: RegistryApiService,
 	) {
-		super(meta, paramDef, async (ps, me) => {
-			const query = this.registryItemsRepository.createQueryBuilder('item')
-				.where('item.domain IS NULL')
-				.andWhere('item.userId = :userId', { userId: me.id })
-				.andWhere('item.key = :key', { key: ps.key })
-				.andWhere('item.scope = :scope', { scope: ps.scope });
-
-			const item = await query.getOne();
+		super(meta, paramDef, async (ps, me, accessToken) => {
+			const item = await this.registryApiService.getItem(me.id, accessToken != null ? accessToken.id : (ps.domain ?? null), ps.scope, ps.key);
 
 			if (item == null) {
 				throw new ApiError(meta.errors.noSuchKey);
diff --git a/packages/backend/src/server/api/endpoints/i/registry/get.ts b/packages/backend/src/server/api/endpoints/i/registry/get.ts
index 729e729b8c..e8c28298ef 100644
--- a/packages/backend/src/server/api/endpoints/i/registry/get.ts
+++ b/packages/backend/src/server/api/endpoints/i/registry/get.ts
@@ -5,15 +5,12 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { RegistryItemsRepository } from '@/models/_.js';
-import { DI } from '@/di-symbols.js';
+import { RegistryApiService } from '@/core/RegistryApiService.js';
 import { ApiError } from '../../../error.js';
 
 export const meta = {
 	requireCredential: true,
 
-	secure: true,
-
 	errors: {
 		noSuchKey: {
 			message: 'No such key.',
@@ -30,24 +27,18 @@ export const paramDef = {
 		scope: { type: 'array', default: [], items: {
 			type: 'string', pattern: /^[a-zA-Z0-9_]+$/.toString().slice(1, -1),
 		} },
+		domain: { type: 'string', nullable: true },
 	},
-	required: ['key'],
+	required: ['key', 'scope'],
 } as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.registryItemsRepository)
-		private registryItemsRepository: RegistryItemsRepository,
+		private registryApiService: RegistryApiService,
 	) {
-		super(meta, paramDef, async (ps, me) => {
-			const query = this.registryItemsRepository.createQueryBuilder('item')
-				.where('item.domain IS NULL')
-				.andWhere('item.userId = :userId', { userId: me.id })
-				.andWhere('item.key = :key', { key: ps.key })
-				.andWhere('item.scope = :scope', { scope: ps.scope });
-
-			const item = await query.getOne();
+		super(meta, paramDef, async (ps, me, accessToken) => {
+			const item = await this.registryApiService.getItem(me.id, accessToken != null ? accessToken.id : (ps.domain ?? null), ps.scope, ps.key);
 
 			if (item == null) {
 				throw new ApiError(meta.errors.noSuchKey);
diff --git a/packages/backend/src/server/api/endpoints/i/registry/keys-with-type.ts b/packages/backend/src/server/api/endpoints/i/registry/keys-with-type.ts
index ffd2860fde..8953ee5d3d 100644
--- a/packages/backend/src/server/api/endpoints/i/registry/keys-with-type.ts
+++ b/packages/backend/src/server/api/endpoints/i/registry/keys-with-type.ts
@@ -5,13 +5,10 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { RegistryItemsRepository } from '@/models/_.js';
-import { DI } from '@/di-symbols.js';
+import { RegistryApiService } from '@/core/RegistryApiService.js';
 
 export const meta = {
 	requireCredential: true,
-
-	secure: true,
 } as const;
 
 export const paramDef = {
@@ -20,36 +17,31 @@ export const paramDef = {
 		scope: { type: 'array', default: [], items: {
 			type: 'string', pattern: /^[a-zA-Z0-9_]+$/.toString().slice(1, -1),
 		} },
+		domain: { type: 'string', nullable: true },
 	},
-	required: [],
+	required: ['scope'],
 } as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.registryItemsRepository)
-		private registryItemsRepository: RegistryItemsRepository,
+		private registryApiService: RegistryApiService,
 	) {
-		super(meta, paramDef, async (ps, me) => {
-			const query = this.registryItemsRepository.createQueryBuilder('item')
-				.where('item.domain IS NULL')
-				.andWhere('item.userId = :userId', { userId: me.id })
-				.andWhere('item.scope = :scope', { scope: ps.scope });
-
-			const items = await query.getMany();
+		super(meta, paramDef, async (ps, me, accessToken) => {
+			const items = await this.registryApiService.getAllItemsOfScope(me.id, accessToken != null ? accessToken.id : (ps.domain ?? null), ps.scope);
 
 			const res = {} as Record<string, string>;
 
 			for (const item of items) {
 				const type = typeof item.value;
 				res[item.key] =
-			item.value === null ? 'null' :
-			Array.isArray(item.value) ? 'array' :
-			type === 'number' ? 'number' :
-			type === 'string' ? 'string' :
-			type === 'boolean' ? 'boolean' :
-			type === 'object' ? 'object' :
-			null as never;
+					item.value === null ? 'null' :
+					Array.isArray(item.value) ? 'array' :
+					type === 'number' ? 'number' :
+					type === 'string' ? 'string' :
+					type === 'boolean' ? 'boolean' :
+					type === 'object' ? 'object' :
+					null as never;
 			}
 
 			return res;
diff --git a/packages/backend/src/server/api/endpoints/i/registry/keys.ts b/packages/backend/src/server/api/endpoints/i/registry/keys.ts
index 7239bb66e1..04e120d752 100644
--- a/packages/backend/src/server/api/endpoints/i/registry/keys.ts
+++ b/packages/backend/src/server/api/endpoints/i/registry/keys.ts
@@ -5,13 +5,10 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { RegistryItemsRepository } from '@/models/_.js';
-import { DI } from '@/di-symbols.js';
+import { RegistryApiService } from '@/core/RegistryApiService.js';
 
 export const meta = {
 	requireCredential: true,
-
-	secure: true,
 } as const;
 
 export const paramDef = {
@@ -20,26 +17,18 @@ export const paramDef = {
 		scope: { type: 'array', default: [], items: {
 			type: 'string', pattern: /^[a-zA-Z0-9_]+$/.toString().slice(1, -1),
 		} },
+		domain: { type: 'string', nullable: true },
 	},
-	required: [],
+	required: ['scope'],
 } as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.registryItemsRepository)
-		private registryItemsRepository: RegistryItemsRepository,
+		private registryApiService: RegistryApiService,
 	) {
-		super(meta, paramDef, async (ps, me) => {
-			const query = this.registryItemsRepository.createQueryBuilder('item')
-				.select('item.key')
-				.where('item.domain IS NULL')
-				.andWhere('item.userId = :userId', { userId: me.id })
-				.andWhere('item.scope = :scope', { scope: ps.scope });
-
-			const items = await query.getMany();
-
-			return items.map(x => x.key);
+		super(meta, paramDef, async (ps, me, accessToken) => {
+			return await this.registryApiService.getAllKeysOfScope(me.id, accessToken != null ? accessToken.id : (ps.domain ?? null), ps.scope);
 		});
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/i/registry/remove.ts b/packages/backend/src/server/api/endpoints/i/registry/remove.ts
index ae687fefe9..ba8100b547 100644
--- a/packages/backend/src/server/api/endpoints/i/registry/remove.ts
+++ b/packages/backend/src/server/api/endpoints/i/registry/remove.ts
@@ -7,13 +7,12 @@ import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { RegistryItemsRepository } from '@/models/_.js';
 import { DI } from '@/di-symbols.js';
+import { RegistryApiService } from '@/core/RegistryApiService.js';
 import { ApiError } from '../../../error.js';
 
 export const meta = {
 	requireCredential: true,
 
-	secure: true,
-
 	errors: {
 		noSuchKey: {
 			message: 'No such key.',
@@ -30,30 +29,18 @@ export const paramDef = {
 		scope: { type: 'array', default: [], items: {
 			type: 'string', pattern: /^[a-zA-Z0-9_]+$/.toString().slice(1, -1),
 		} },
+		domain: { type: 'string', nullable: true },
 	},
-	required: ['key'],
+	required: ['key', 'scope'],
 } as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.registryItemsRepository)
-		private registryItemsRepository: RegistryItemsRepository,
+		private registryApiService: RegistryApiService,
 	) {
-		super(meta, paramDef, async (ps, me) => {
-			const query = this.registryItemsRepository.createQueryBuilder('item')
-				.where('item.domain IS NULL')
-				.andWhere('item.userId = :userId', { userId: me.id })
-				.andWhere('item.key = :key', { key: ps.key })
-				.andWhere('item.scope = :scope', { scope: ps.scope });
-
-			const item = await query.getOne();
-
-			if (item == null) {
-				throw new ApiError(meta.errors.noSuchKey);
-			}
-
-			await this.registryItemsRepository.remove(item);
+		super(meta, paramDef, async (ps, me, accessToken) => {
+			await this.registryApiService.remove(me.id, accessToken != null ? accessToken.id : (ps.domain ?? null), ps.scope, ps.key);
 		});
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/i/registry/scopes-with-domain.ts b/packages/backend/src/server/api/endpoints/i/registry/scopes-with-domain.ts
new file mode 100644
index 0000000000..1ff994b82c
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/i/registry/scopes-with-domain.ts
@@ -0,0 +1,30 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { RegistryApiService } from '@/core/RegistryApiService.js';
+
+export const meta = {
+	requireCredential: true,
+	secure: true,
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {},
+	required: [],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private registryApiService: RegistryApiService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			return await this.registryApiService.getAllScopeAndDomains(me.id);
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/i/registry/scopes.ts b/packages/backend/src/server/api/endpoints/i/registry/scopes.ts
deleted file mode 100644
index 7637cdcf73..0000000000
--- a/packages/backend/src/server/api/endpoints/i/registry/scopes.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import { Inject, Injectable } from '@nestjs/common';
-import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { RegistryItemsRepository } from '@/models/_.js';
-import { DI } from '@/di-symbols.js';
-
-export const meta = {
-	requireCredential: true,
-
-	secure: true,
-} as const;
-
-export const paramDef = {
-	type: 'object',
-	properties: {},
-	required: [],
-} as const;
-
-@Injectable()
-export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
-	constructor(
-		@Inject(DI.registryItemsRepository)
-		private registryItemsRepository: RegistryItemsRepository,
-	) {
-		super(meta, paramDef, async (ps, me) => {
-			const query = this.registryItemsRepository.createQueryBuilder('item')
-				.select('item.scope')
-				.where('item.domain IS NULL')
-				.andWhere('item.userId = :userId', { userId: me.id });
-
-			const items = await query.getMany();
-
-			const res = [] as string[][];
-
-			for (const item of items) {
-				if (res.some(scope => scope.join('.') === item.scope.join('.'))) continue;
-				res.push(item.scope);
-			}
-
-			return res;
-		});
-	}
-}
diff --git a/packages/backend/src/server/api/endpoints/i/registry/set.ts b/packages/backend/src/server/api/endpoints/i/registry/set.ts
index 6203e7aa8b..58bb450bce 100644
--- a/packages/backend/src/server/api/endpoints/i/registry/set.ts
+++ b/packages/backend/src/server/api/endpoints/i/registry/set.ts
@@ -5,15 +5,10 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { RegistryItemsRepository } from '@/models/_.js';
-import { IdService } from '@/core/IdService.js';
-import { GlobalEventService } from '@/core/GlobalEventService.js';
-import { DI } from '@/di-symbols.js';
+import { RegistryApiService } from '@/core/RegistryApiService.js';
 
 export const meta = {
 	requireCredential: true,
-
-	secure: true,
 } as const;
 
 export const paramDef = {
@@ -24,51 +19,18 @@ export const paramDef = {
 		scope: { type: 'array', default: [], items: {
 			type: 'string', pattern: /^[a-zA-Z0-9_]+$/.toString().slice(1, -1),
 		} },
+		domain: { type: 'string', nullable: true },
 	},
-	required: ['key', 'value'],
+	required: ['key', 'value', 'scope'],
 } as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.registryItemsRepository)
-		private registryItemsRepository: RegistryItemsRepository,
-
-		private idService: IdService,
-		private globalEventService: GlobalEventService,
+		private registryApiService: RegistryApiService,
 	) {
-		super(meta, paramDef, async (ps, me) => {
-			const query = this.registryItemsRepository.createQueryBuilder('item')
-				.where('item.domain IS NULL')
-				.andWhere('item.userId = :userId', { userId: me.id })
-				.andWhere('item.key = :key', { key: ps.key })
-				.andWhere('item.scope = :scope', { scope: ps.scope });
-
-			const existingItem = await query.getOne();
-
-			if (existingItem) {
-				await this.registryItemsRepository.update(existingItem.id, {
-					updatedAt: new Date(),
-					value: ps.value,
-				});
-			} else {
-				await this.registryItemsRepository.insert({
-					id: this.idService.gen(),
-					updatedAt: new Date(),
-					userId: me.id,
-					domain: null,
-					scope: ps.scope,
-					key: ps.key,
-					value: ps.value,
-				});
-			}
-
-			// TODO: サードパーティアプリが傍受出来てしまうのでどうにかする
-			this.globalEventService.publishMainStream(me.id, 'registryUpdated', {
-				scope: ps.scope,
-				key: ps.key,
-				value: ps.value,
-			});
+		super(meta, paramDef, async (ps, me, accessToken) => {
+			await this.registryApiService.set(me.id, accessToken ? accessToken.id : (ps.domain ?? null), ps.scope, ps.key, ps.value);
 		});
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/i/revoke-token.ts b/packages/backend/src/server/api/endpoints/i/revoke-token.ts
index 8e2f271005..e8bb282533 100644
--- a/packages/backend/src/server/api/endpoints/i/revoke-token.ts
+++ b/packages/backend/src/server/api/endpoints/i/revoke-token.ts
@@ -18,8 +18,12 @@ export const paramDef = {
 	type: 'object',
 	properties: {
 		tokenId: { type: 'string', format: 'misskey:id' },
+		token: { type: 'string' },
 	},
-	required: ['tokenId'],
+	anyOf: [
+		{ required: ['tokenId'] },
+		{ required: ['token'] },
+	],
 } as const;
 
 @Injectable()
@@ -29,13 +33,24 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private accessTokensRepository: AccessTokensRepository,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const tokenExist = await this.accessTokensRepository.exist({ where: { id: ps.tokenId } });
+			if (ps.tokenId) {
+				const tokenExist = await this.accessTokensRepository.exist({ where: { id: ps.tokenId } });
 
-			if (tokenExist) {
-				await this.accessTokensRepository.delete({
-					id: ps.tokenId,
-					userId: me.id,
-				});
+				if (tokenExist) {
+					await this.accessTokensRepository.delete({
+						id: ps.tokenId,
+						userId: me.id,
+					});
+				}
+			} else if (ps.token) {
+				const tokenExist = await this.accessTokensRepository.exist({ where: { token: ps.token } });
+
+				if (tokenExist) {
+					await this.accessTokensRepository.delete({
+						token: ps.token,
+						userId: me.id,
+					});
+				}
 			}
 		});
 	}
diff --git a/packages/backend/src/server/api/endpoints/i/update.ts b/packages/backend/src/server/api/endpoints/i/update.ts
index 431bb4c60a..0e6a4d2e36 100644
--- a/packages/backend/src/server/api/endpoints/i/update.ts
+++ b/packages/backend/src/server/api/endpoints/i/update.ts
@@ -32,6 +32,7 @@ import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.j
 import { HttpRequestService } from '@/core/HttpRequestService.js';
 import type { Config } from '@/config.js';
 import { safeForSql } from '@/misc/safe-for-sql.js';
+import { AvatarDecorationService } from '@/core/AvatarDecorationService.js';
 import { ApiLoggerService } from '../../ApiLoggerService.js';
 import { ApiError } from '../../error.js';
 
@@ -44,7 +45,7 @@ export const meta = {
 
 	limit: {
 		duration: ms('1hour'),
-		max: 10,
+		max: 20,
 	},
 
 	errors: {
@@ -131,6 +132,15 @@ export const paramDef = {
 		birthday: { ...birthdaySchema, nullable: true },
 		lang: { type: 'string', enum: [null, ...Object.keys(langmap)] as string[], nullable: true },
 		avatarId: { type: 'string', format: 'misskey:id', nullable: true },
+		avatarDecorations: { type: 'array', maxItems: 1, items: {
+			type: 'object',
+			properties: {
+				id: { type: 'string', format: 'misskey:id' },
+				angle: { type: 'number', nullable: true, maximum: 0.5, minimum: -0.5 },
+				flipH: { type: 'boolean', nullable: true },
+			},
+			required: ['id'],
+		} },
 		bannerId: { type: 'string', format: 'misskey:id', nullable: true },
 		fields: {
 			type: 'array',
@@ -207,6 +217,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private roleService: RoleService,
 		private cacheService: CacheService,
 		private httpRequestService: HttpRequestService,
+		private avatarDecorationService: AvatarDecorationService,
 	) {
 		super(meta, paramDef, async (ps, _user, token) => {
 			const user = await this.usersRepository.findOneByOrFail({ id: _user.id }) as MiLocalUser;
@@ -296,6 +307,21 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				updates.bannerBlurhash = null;
 			}
 
+			if (ps.avatarDecorations) {
+				const decorations = await this.avatarDecorationService.getAll(true);
+				const myRoles = await this.roleService.getUserRoles(user.id);
+				const allRoles = await this.roleService.getRoles();
+				const decorationIds = decorations
+					.filter(d => d.roleIdsThatCanBeUsedThisDecoration.filter(roleId => allRoles.some(r => r.id === roleId)).length === 0 || myRoles.some(r => d.roleIdsThatCanBeUsedThisDecoration.includes(r.id)))
+					.map(d => d.id);
+
+				updates.avatarDecorations = ps.avatarDecorations.filter(d => decorationIds.includes(d.id)).map(d => ({
+					id: d.id,
+					angle: d.angle ?? 0,
+					flipH: d.flipH ?? false,
+				}));
+			}
+
 			if (ps.pinnedPageId) {
 				const page = await this.pagesRepository.findOneBy({ id: ps.pinnedPageId });
 
@@ -421,9 +447,13 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 		const myLink = `${this.config.url}/@${user.username}`;
 
-		const includesMyLink = Array.from(doc.getElementsByTagName('a')).some(a => a.href === myLink);
+		const aEls = Array.from(doc.getElementsByTagName('a'));
+		const linkEls = Array.from(doc.getElementsByTagName('link'));
+
+		const includesMyLink = aEls.some(a => a.href === myLink);
+		const includesRelMeLinks = [...aEls, ...linkEls].some(link => link.rel === 'me' && link.href === myLink);
 
-		if (includesMyLink) {
+		if (includesMyLink || includesRelMeLinks) {
 			await this.userProfilesRepository.createQueryBuilder('profile').update()
 				.where('userId = :userId', { userId: user.id })
 				.set({
diff --git a/packages/backend/src/server/api/endpoints/notes/create.test.ts b/packages/backend/src/server/api/endpoints/notes/create.test.ts
index bfb024bcf2..6086f99c92 100644
--- a/packages/backend/src/server/api/endpoints/notes/create.test.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.test.ts
@@ -64,7 +64,7 @@ describe('api:notes/create', () => {
 
 			test('0 characters cw', () => {
 				expect(v({ text: 'Body', cw: '' }))
-					.toBe(VALID);
+					.toBe(INVALID);
 			});
 
 			test('reject only cw', () => {
diff --git a/packages/backend/src/server/api/endpoints/notes/create.ts b/packages/backend/src/server/api/endpoints/notes/create.ts
index 3ae4ac044a..df02d3acb7 100644
--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@@ -16,6 +16,7 @@ import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { NoteCreateService } from '@/core/NoteCreateService.js';
 import { DI } from '@/di-symbols.js';
+import { isPureRenote } from '@/misc/is-pure-renote.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -98,6 +99,12 @@ export const meta = {
 			code: 'NO_SUCH_FILE',
 			id: 'b6992544-63e7-67f0-fa7f-32444b1b5306',
 		},
+
+		cannotRenoteOutsideOfChannel: {
+			message: 'Cannot renote outside of channel.',
+			code: 'CANNOT_RENOTE_OUTSIDE_OF_CHANNEL',
+			id: '33510210-8452-094c-6227-4a6c05d99f00',
+		},
 	},
 } as const;
 
@@ -108,7 +115,7 @@ export const paramDef = {
 		visibleUserIds: { type: 'array', uniqueItems: true, items: {
 			type: 'string', format: 'misskey:id',
 		} },
-		cw: { type: 'string', nullable: true, maxLength: 100 },
+		cw: { type: 'string', nullable: true, minLength: 1, maxLength: 100 },
 		localOnly: { type: 'boolean', default: false },
 		reactionAcceptance: { type: 'string', nullable: true, enum: [null, 'likeOnly', 'likeOnlyForRemote', 'nonSensitiveOnly', 'nonSensitiveOnlyForLocalLikeOnlyForRemote'], default: null },
 		noExtractMentions: { type: 'boolean', default: false },
@@ -221,7 +228,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 				if (renote == null) {
 					throw new ApiError(meta.errors.noSuchRenoteTarget);
-				} else if (renote.renoteId && !renote.text && !renote.fileIds && !renote.hasPoll) {
+				} else if (isPureRenote(renote)) {
 					throw new ApiError(meta.errors.cannotReRenote);
 				}
 
@@ -245,6 +252,19 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					// specified / direct noteはreject
 					throw new ApiError(meta.errors.cannotRenoteDueToVisibility);
 				}
+
+				if (renote.channelId && renote.channelId !== ps.channelId) {
+					// チャンネルのノートに対しリノート要求がきたとき、チャンネル外へのリノート可否をチェック
+					// リノートのユースケースのうち、チャンネル内→チャンネル外は少数だと考えられるため、JOINはせず必要な時に都度取得する
+					const renoteChannel = await this.channelsRepository.findOneById(renote.channelId);
+					if (renoteChannel == null) {
+						// リノートしたいノートが書き込まれているチャンネルが無い
+						throw new ApiError(meta.errors.noSuchChannel);
+					} else if (!renoteChannel.allowRenoteToExternal) {
+						// リノート作成のリクエストだが、対象チャンネルがリノート禁止だった場合
+						throw new ApiError(meta.errors.cannotRenoteOutsideOfChannel);
+					}
+				}
 			}
 
 			let reply: MiNote | null = null;
@@ -254,7 +274,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 				if (reply == null) {
 					throw new ApiError(meta.errors.noSuchReplyTarget);
-				} else if (reply.renoteId && !reply.text && !reply.fileIds && !reply.hasPoll) {
+				} else if (isPureRenote(reply)) {
 					throw new ApiError(meta.errors.cannotReplyToPureRenote);
 				}
 
diff --git a/packages/backend/src/server/api/endpoints/notes/global-timeline.ts b/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
index be7557c213..68fefa5b58 100644
--- a/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
@@ -87,6 +87,16 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			if (ps.withFiles) {
 				query.andWhere('note.fileIds != \'{}\'');
 			}
+
+			if (ps.withRenotes === false) {
+				query.andWhere(new Brackets(qb => {
+					qb.where('note.renoteId IS NULL');
+					qb.orWhere(new Brackets(qb => {
+						qb.where('note.text IS NOT NULL');
+						qb.orWhere('note.fileIds != \'{}\'');
+					}));
+				}));
+			}
 			//#endregion
 
 			const timeline = await query.limit(ps.limit).getMany();
diff --git a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
index cbab13f30d..19c24a78f4 100644
--- a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
@@ -5,7 +5,7 @@
 
 import { Brackets } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import type { NotesRepository, FollowingsRepository, MiNote } from '@/models/_.js';
+import type { NotesRepository, FollowingsRepository, MiNote, ChannelFollowingsRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import ActiveUsersChart from '@/core/chart/charts/active-users.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
@@ -17,6 +17,8 @@ import { CacheService } from '@/core/CacheService.js';
 import { FunoutTimelineService } from '@/core/FunoutTimelineService.js';
 import { QueryService } from '@/core/QueryService.js';
 import { UserFollowingService } from '@/core/UserFollowingService.js';
+import { MetaService } from '@/core/MetaService.js';
+import { MiLocalUser } from '@/models/User.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -67,6 +69,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,
 
+		@Inject(DI.channelFollowingsRepository)
+		private channelFollowingsRepository: ChannelFollowingsRepository,
+
 		private noteEntityService: NoteEntityService,
 		private roleService: RoleService,
 		private activeUsersChart: ActiveUsersChart,
@@ -75,6 +80,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private funoutTimelineService: FunoutTimelineService,
 		private queryService: QueryService,
 		private userFollowingService: UserFollowingService,
+		private metaService: MetaService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
@@ -85,163 +91,218 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.stlDisabled);
 			}
 
-			const [
-				userIdsWhoMeMuting,
-				userIdsWhoMeMutingRenotes,
-				userIdsWhoBlockingMe,
-			] = await Promise.all([
-				this.cacheService.userMutingsCache.fetch(me.id),
-				this.cacheService.renoteMutingsCache.fetch(me.id),
-				this.cacheService.userBlockedCache.fetch(me.id),
-			]);
-
-			let noteIds: string[];
-			let shouldFallbackToDb = false;
+			const serverSettings = await this.metaService.fetch();
 
-			if (ps.withFiles) {
-				const [htlNoteIds, ltlNoteIds] = await this.funoutTimelineService.getMulti([
-					`homeTimelineWithFiles:${me.id}`,
-					'localTimelineWithFiles',
-				], untilId, sinceId);
-				noteIds = Array.from(new Set([...htlNoteIds, ...ltlNoteIds]));
-			} else if (ps.withReplies) {
-				const [htlNoteIds, ltlNoteIds, ltlReplyNoteIds] = await this.funoutTimelineService.getMulti([
-					`homeTimeline:${me.id}`,
-					'localTimeline',
-					'localTimelineWithReplies',
-				], untilId, sinceId);
-				noteIds = Array.from(new Set([...htlNoteIds, ...ltlNoteIds, ...ltlReplyNoteIds]));
-			} else {
-				const [htlNoteIds, ltlNoteIds] = await this.funoutTimelineService.getMulti([
-					`homeTimeline:${me.id}`,
-					'localTimeline',
-				], untilId, sinceId);
-				noteIds = Array.from(new Set([...htlNoteIds, ...ltlNoteIds]));
-				shouldFallbackToDb = htlNoteIds.length === 0;
-			}
+			if (serverSettings.enableFanoutTimeline) {
+				const [
+					userIdsWhoMeMuting,
+					userIdsWhoMeMutingRenotes,
+					userIdsWhoBlockingMe,
+				] = await Promise.all([
+					this.cacheService.userMutingsCache.fetch(me.id),
+					this.cacheService.renoteMutingsCache.fetch(me.id),
+					this.cacheService.userBlockedCache.fetch(me.id),
+				]);
 
-			noteIds.sort((a, b) => a > b ? -1 : 1);
-			noteIds = noteIds.slice(0, ps.limit);
+				let noteIds: string[];
+				let shouldFallbackToDb = false;
 
-			shouldFallbackToDb = shouldFallbackToDb || (noteIds.length === 0);
+				if (ps.withFiles) {
+					const [htlNoteIds, ltlNoteIds] = await this.funoutTimelineService.getMulti([
+						`homeTimelineWithFiles:${me.id}`,
+						'localTimelineWithFiles',
+					], untilId, sinceId);
+					noteIds = Array.from(new Set([...htlNoteIds, ...ltlNoteIds]));
+				} else if (ps.withReplies) {
+					const [htlNoteIds, ltlNoteIds, ltlReplyNoteIds] = await this.funoutTimelineService.getMulti([
+						`homeTimeline:${me.id}`,
+						'localTimeline',
+						'localTimelineWithReplies',
+					], untilId, sinceId);
+					noteIds = Array.from(new Set([...htlNoteIds, ...ltlNoteIds, ...ltlReplyNoteIds]));
+				} else {
+					const [htlNoteIds, ltlNoteIds] = await this.funoutTimelineService.getMulti([
+						`homeTimeline:${me.id}`,
+						'localTimeline',
+					], untilId, sinceId);
+					noteIds = Array.from(new Set([...htlNoteIds, ...ltlNoteIds]));
+					shouldFallbackToDb = htlNoteIds.length === 0;
+				}
 
-			if (!shouldFallbackToDb) {
-				const query = this.notesRepository.createQueryBuilder('note')
-					.where('note.id IN (:...noteIds)', { noteIds: noteIds })
-					.innerJoinAndSelect('note.user', 'user')
-					.leftJoinAndSelect('note.reply', 'reply')
-					.leftJoinAndSelect('note.renote', 'renote')
-					.leftJoinAndSelect('reply.user', 'replyUser')
-					.leftJoinAndSelect('renote.user', 'renoteUser')
-					.leftJoinAndSelect('note.channel', 'channel');
+				noteIds.sort((a, b) => a > b ? -1 : 1);
+				noteIds = noteIds.slice(0, ps.limit);
 
-				let timeline = await query.getMany();
+				shouldFallbackToDb = shouldFallbackToDb || (noteIds.length === 0);
 
-				timeline = timeline.filter(note => {
-					if (note.userId === me.id) {
-						return true;
-					}
-					if (isUserRelated(note, userIdsWhoBlockingMe)) return false;
-					if (isUserRelated(note, userIdsWhoMeMuting)) return false;
-					if (note.renoteId) {
-						if (note.text == null && note.fileIds.length === 0 && !note.hasPoll) {
-							if (isUserRelated(note, userIdsWhoMeMutingRenotes)) return false;
-							if (ps.withRenotes === false) return false;
-						}
-					}
+				let redisTimeline: MiNote[] = [];
 
-					return true;
-				});
+				if (!shouldFallbackToDb) {
+					const query = this.notesRepository.createQueryBuilder('note')
+						.where('note.id IN (:...noteIds)', { noteIds: noteIds })
+						.innerJoinAndSelect('note.user', 'user')
+						.leftJoinAndSelect('note.reply', 'reply')
+						.leftJoinAndSelect('note.renote', 'renote')
+						.leftJoinAndSelect('reply.user', 'replyUser')
+						.leftJoinAndSelect('renote.user', 'renoteUser')
+						.leftJoinAndSelect('note.channel', 'channel');
 
-				// TODO: フィルタした結果件数が足りなかった場合の対応
+					redisTimeline = await query.getMany();
 
-				timeline.sort((a, b) => a.id > b.id ? -1 : 1);
+					redisTimeline = redisTimeline.filter(note => {
+						if (note.userId === me.id) {
+							return true;
+						}
+						if (isUserRelated(note, userIdsWhoBlockingMe)) return false;
+						if (isUserRelated(note, userIdsWhoMeMuting)) return false;
+						if (note.renoteId) {
+							if (note.text == null && note.fileIds.length === 0 && !note.hasPoll) {
+								if (isUserRelated(note, userIdsWhoMeMutingRenotes)) return false;
+								if (ps.withRenotes === false) return false;
+							}
+						}
 
-				process.nextTick(() => {
-					this.activeUsersChart.read(me);
-				});
+						return true;
+					});
 
-				return await this.noteEntityService.packMany(timeline, me);
-			} else { // fallback to db
-				const followees = await this.userFollowingService.getFollowees(me.id);
+					redisTimeline.sort((a, b) => a.id > b.id ? -1 : 1);
+				}
 
-				const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
-					.andWhere(new Brackets(qb => {
-						if (followees.length > 0) {
-							const meOrFolloweeIds = [me.id, ...followees.map(f => f.followeeId)];
-							qb.where('note.userId IN (:...meOrFolloweeIds)', { meOrFolloweeIds: meOrFolloweeIds });
-							qb.orWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)');
-						} else {
-							qb.where('note.userId = :meId', { meId: me.id });
-							qb.orWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)');
-						}
-					}))
-					.innerJoinAndSelect('note.user', 'user')
-					.leftJoinAndSelect('note.reply', 'reply')
-					.leftJoinAndSelect('note.renote', 'renote')
-					.leftJoinAndSelect('reply.user', 'replyUser')
-					.leftJoinAndSelect('renote.user', 'renoteUser');
+				if (redisTimeline.length > 0) {
+					process.nextTick(() => {
+						this.activeUsersChart.read(me);
+					});
 
-				if (!ps.withReplies) {
-					query.andWhere(new Brackets(qb => {
-						qb
-							.where('note.replyId IS NULL') // 返信ではない
-							.orWhere(new Brackets(qb => {
-								qb // 返信だけど投稿者自身への返信
-									.where('note.replyId IS NOT NULL')
-									.andWhere('note.replyUserId = note.userId');
-							}));
-					}));
+					return await this.noteEntityService.packMany(redisTimeline, me);
+				} else { // fallback to db
+					return await this.getFromDb({
+						untilId,
+						sinceId,
+						limit: ps.limit,
+						includeMyRenotes: ps.includeMyRenotes,
+						includeRenotedMyNotes: ps.includeRenotedMyNotes,
+						includeLocalRenotes: ps.includeLocalRenotes,
+						withFiles: ps.withFiles,
+						withReplies: ps.withReplies,
+					}, me);
 				}
+			} else {
+				return await this.getFromDb({
+					untilId,
+					sinceId,
+					limit: ps.limit,
+					includeMyRenotes: ps.includeMyRenotes,
+					includeRenotedMyNotes: ps.includeRenotedMyNotes,
+					includeLocalRenotes: ps.includeLocalRenotes,
+					withFiles: ps.withFiles,
+					withReplies: ps.withReplies,
+				}, me);
+			}
+		});
+	}
 
-				this.queryService.generateVisibilityQuery(query, me);
-				this.queryService.generateMutedUserQuery(query, me);
-				this.queryService.generateBlockedUserQuery(query, me);
-				this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
+	private async getFromDb(ps: {
+		untilId: string | null,
+		sinceId: string | null,
+		limit: number,
+		includeMyRenotes: boolean,
+		includeRenotedMyNotes: boolean,
+		includeLocalRenotes: boolean,
+		withFiles: boolean,
+		withReplies: boolean,
+	}, me: MiLocalUser) {
+		const followees = await this.userFollowingService.getFollowees(me.id);
+		const followingChannels = await this.channelFollowingsRepository.find({
+			where: {
+				followerId: me.id,
+			},
+		});
 
-				if (ps.includeMyRenotes === false) {
-					query.andWhere(new Brackets(qb => {
-						qb.orWhere('note.userId != :meId', { meId: me.id });
-						qb.orWhere('note.renoteId IS NULL');
-						qb.orWhere('note.text IS NOT NULL');
-						qb.orWhere('note.fileIds != \'{}\'');
-						qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
-					}));
+		const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId)
+			.andWhere(new Brackets(qb => {
+				if (followees.length > 0) {
+					const meOrFolloweeIds = [me.id, ...followees.map(f => f.followeeId)];
+					qb.where('note.userId IN (:...meOrFolloweeIds)', { meOrFolloweeIds: meOrFolloweeIds });
+					qb.orWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)');
+				} else {
+					qb.where('note.userId = :meId', { meId: me.id });
+					qb.orWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)');
 				}
+			}))
+			.innerJoinAndSelect('note.user', 'user')
+			.leftJoinAndSelect('note.reply', 'reply')
+			.leftJoinAndSelect('note.renote', 'renote')
+			.leftJoinAndSelect('reply.user', 'replyUser')
+			.leftJoinAndSelect('renote.user', 'renoteUser');
 
-				if (ps.includeRenotedMyNotes === false) {
-					query.andWhere(new Brackets(qb => {
-						qb.orWhere('note.renoteUserId != :meId', { meId: me.id });
-						qb.orWhere('note.renoteId IS NULL');
-						qb.orWhere('note.text IS NOT NULL');
-						qb.orWhere('note.fileIds != \'{}\'');
-						qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
-					}));
-				}
+		if (followingChannels.length > 0) {
+			const followingChannelIds = followingChannels.map(x => x.followeeId);
 
-				if (ps.includeLocalRenotes === false) {
-					query.andWhere(new Brackets(qb => {
-						qb.orWhere('note.renoteUserHost IS NOT NULL');
-						qb.orWhere('note.renoteId IS NULL');
-						qb.orWhere('note.text IS NOT NULL');
-						qb.orWhere('note.fileIds != \'{}\'');
-						qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+			query.andWhere(new Brackets(qb => {
+				qb.where('note.channelId IN (:...followingChannelIds)', { followingChannelIds });
+				qb.orWhere('note.channelId IS NULL');
+			}));
+		} else {
+			query.andWhere('note.channelId IS NULL');
+		}
+
+		if (!ps.withReplies) {
+			query.andWhere(new Brackets(qb => {
+				qb
+					.where('note.replyId IS NULL') // 返信ではない
+					.orWhere(new Brackets(qb => {
+						qb // 返信だけど投稿者自身への返信
+							.where('note.replyId IS NOT NULL')
+							.andWhere('note.replyUserId = note.userId');
 					}));
-				}
+			}));
+		}
 
-				if (ps.withFiles) {
-					query.andWhere('note.fileIds != \'{}\'');
-				}
-				//#endregion
+		this.queryService.generateVisibilityQuery(query, me);
+		this.queryService.generateMutedUserQuery(query, me);
+		this.queryService.generateBlockedUserQuery(query, me);
+		this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
 
-				const timeline = await query.limit(ps.limit).getMany();
+		if (ps.includeMyRenotes === false) {
+			query.andWhere(new Brackets(qb => {
+				qb.orWhere('note.userId != :meId', { meId: me.id });
+				qb.orWhere('note.renoteId IS NULL');
+				qb.orWhere('note.text IS NOT NULL');
+				qb.orWhere('note.fileIds != \'{}\'');
+				qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+			}));
+		}
 
-				process.nextTick(() => {
-					this.activeUsersChart.read(me);
-				});
+		if (ps.includeRenotedMyNotes === false) {
+			query.andWhere(new Brackets(qb => {
+				qb.orWhere('note.renoteUserId != :meId', { meId: me.id });
+				qb.orWhere('note.renoteId IS NULL');
+				qb.orWhere('note.text IS NOT NULL');
+				qb.orWhere('note.fileIds != \'{}\'');
+				qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+			}));
+		}
 
-				return await this.noteEntityService.packMany(timeline, me);
-			}
+		if (ps.includeLocalRenotes === false) {
+			query.andWhere(new Brackets(qb => {
+				qb.orWhere('note.renoteUserHost IS NOT NULL');
+				qb.orWhere('note.renoteId IS NULL');
+				qb.orWhere('note.text IS NOT NULL');
+				qb.orWhere('note.fileIds != \'{}\'');
+				qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+			}));
+		}
+
+		if (ps.withFiles) {
+			query.andWhere('note.fileIds != \'{}\'');
+		}
+		//#endregion
+
+		const timeline = await query.limit(ps.limit).getMany();
+
+		process.nextTick(() => {
+			this.activeUsersChart.read(me);
 		});
+
+		return await this.noteEntityService.packMany(timeline, me);
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
index 3b6c93fdf9..94a640e70a 100644
--- a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
@@ -16,6 +16,8 @@ import { CacheService } from '@/core/CacheService.js';
 import { isUserRelated } from '@/misc/is-user-related.js';
 import { FunoutTimelineService } from '@/core/FunoutTimelineService.js';
 import { QueryService } from '@/core/QueryService.js';
+import { MetaService } from '@/core/MetaService.js';
+import { MiLocalUser } from '@/models/User.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -69,6 +71,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private cacheService: CacheService,
 		private funoutTimelineService: FunoutTimelineService,
 		private queryService: QueryService,
+		private metaService: MetaService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
@@ -79,112 +82,142 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.ltlDisabled);
 			}
 
-			const [
-				userIdsWhoMeMuting,
-				userIdsWhoMeMutingRenotes,
-				userIdsWhoBlockingMe,
-			] = me ? await Promise.all([
-				this.cacheService.userMutingsCache.fetch(me.id),
-				this.cacheService.renoteMutingsCache.fetch(me.id),
-				this.cacheService.userBlockedCache.fetch(me.id),
-			]) : [new Set<string>(), new Set<string>(), new Set<string>()];
+			const serverSettings = await this.metaService.fetch();
 
-			let noteIds: string[];
+			if (serverSettings.enableFanoutTimeline) {
+				const [
+					userIdsWhoMeMuting,
+					userIdsWhoMeMutingRenotes,
+					userIdsWhoBlockingMe,
+				] = me ? await Promise.all([
+					this.cacheService.userMutingsCache.fetch(me.id),
+					this.cacheService.renoteMutingsCache.fetch(me.id),
+					this.cacheService.userBlockedCache.fetch(me.id),
+				]) : [new Set<string>(), new Set<string>(), new Set<string>()];
 
-			if (ps.withFiles) {
-				noteIds = await this.funoutTimelineService.get('localTimelineWithFiles', untilId, sinceId);
-			} else {
-				const [nonReplyNoteIds, replyNoteIds] = await this.funoutTimelineService.getMulti([
-					'localTimeline',
-					'localTimelineWithReplies',
-				], untilId, sinceId);
-				noteIds = Array.from(new Set([...nonReplyNoteIds, ...replyNoteIds]));
-				noteIds.sort((a, b) => a > b ? -1 : 1);
-			}
+				let noteIds: string[];
+
+				if (ps.withFiles) {
+					noteIds = await this.funoutTimelineService.get('localTimelineWithFiles', untilId, sinceId);
+				} else {
+					const [nonReplyNoteIds, replyNoteIds] = await this.funoutTimelineService.getMulti([
+						'localTimeline',
+						'localTimelineWithReplies',
+					], untilId, sinceId);
+					noteIds = Array.from(new Set([...nonReplyNoteIds, ...replyNoteIds]));
+					noteIds.sort((a, b) => a > b ? -1 : 1);
+				}
 
-			noteIds = noteIds.slice(0, ps.limit);
+				noteIds = noteIds.slice(0, ps.limit);
 
-			if (noteIds.length > 0) {
-				const query = this.notesRepository.createQueryBuilder('note')
-					.where('note.id IN (:...noteIds)', { noteIds: noteIds })
-					.innerJoinAndSelect('note.user', 'user')
-					.leftJoinAndSelect('note.reply', 'reply')
-					.leftJoinAndSelect('note.renote', 'renote')
-					.leftJoinAndSelect('reply.user', 'replyUser')
-					.leftJoinAndSelect('renote.user', 'renoteUser')
-					.leftJoinAndSelect('note.channel', 'channel');
+				let redisTimeline: MiNote[] = [];
 
-				let timeline = await query.getMany();
+				if (noteIds.length > 0) {
+					const query = this.notesRepository.createQueryBuilder('note')
+						.where('note.id IN (:...noteIds)', { noteIds: noteIds })
+						.innerJoinAndSelect('note.user', 'user')
+						.leftJoinAndSelect('note.reply', 'reply')
+						.leftJoinAndSelect('note.renote', 'renote')
+						.leftJoinAndSelect('reply.user', 'replyUser')
+						.leftJoinAndSelect('renote.user', 'renoteUser')
+						.leftJoinAndSelect('note.channel', 'channel');
 
-				timeline = timeline.filter(note => {
-					if (me && (note.userId === me.id)) {
-						return true;
-					}
-					if (!ps.withReplies && note.replyId && (me == null || note.replyUserId !== me.id)) return false;
-					if (me && isUserRelated(note, userIdsWhoBlockingMe)) return false;
-					if (me && isUserRelated(note, userIdsWhoMeMuting)) return false;
-					if (note.renoteId) {
-						if (note.text == null && note.fileIds.length === 0 && !note.hasPoll) {
-							if (me && isUserRelated(note, userIdsWhoMeMutingRenotes)) return false;
-							if (ps.withRenotes === false) return false;
+					redisTimeline = await query.getMany();
+
+					redisTimeline = redisTimeline.filter(note => {
+						if (me && (note.userId === me.id)) {
+							return true;
+						}
+						if (!ps.withReplies && note.replyId && note.replyUserId !== note.userId && (me == null || note.replyUserId !== me.id)) return false;
+						if (me && isUserRelated(note, userIdsWhoBlockingMe)) return false;
+						if (me && isUserRelated(note, userIdsWhoMeMuting)) return false;
+						if (note.renoteId) {
+							if (note.text == null && note.fileIds.length === 0 && !note.hasPoll) {
+								if (me && isUserRelated(note, userIdsWhoMeMutingRenotes)) return false;
+								if (ps.withRenotes === false) return false;
+							}
 						}
-					}
 
-					return true;
-				});
+						return true;
+					});
 
-				// TODO: フィルタした結果件数が足りなかった場合の対応
+					redisTimeline.sort((a, b) => a.id > b.id ? -1 : 1);
+				}
 
-				timeline.sort((a, b) => a.id > b.id ? -1 : 1);
+				if (redisTimeline.length > 0) {
+					process.nextTick(() => {
+						if (me) {
+							this.activeUsersChart.read(me);
+						}
+					});
 
-				process.nextTick(() => {
-					if (me) {
-						this.activeUsersChart.read(me);
-					}
-				});
+					return await this.noteEntityService.packMany(redisTimeline, me);
+				} else { // fallback to db
+					return await this.getFromDb({
+						untilId,
+						sinceId,
+						limit: ps.limit,
+						withFiles: ps.withFiles,
+						withReplies: ps.withReplies,
+					}, me);
+				}
+			} else {
+				return await this.getFromDb({
+					untilId,
+					sinceId,
+					limit: ps.limit,
+					withFiles: ps.withFiles,
+					withReplies: ps.withReplies,
+				}, me);
+			}
+		});
+	}
 
-				return await this.noteEntityService.packMany(timeline, me);
-			} else { // fallback to db
-				const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'),
-					ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
-					.andWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)')
-					.innerJoinAndSelect('note.user', 'user')
-					.leftJoinAndSelect('note.reply', 'reply')
-					.leftJoinAndSelect('note.renote', 'renote')
-					.leftJoinAndSelect('reply.user', 'replyUser')
-					.leftJoinAndSelect('renote.user', 'renoteUser');
+	private async getFromDb(ps: {
+		sinceId: string | null,
+		untilId: string | null,
+		limit: number,
+		withFiles: boolean,
+		withReplies: boolean,
+	}, me: MiLocalUser | null) {
+		const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'),
+			ps.sinceId, ps.untilId)
+			.andWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)')
+			.innerJoinAndSelect('note.user', 'user')
+			.leftJoinAndSelect('note.reply', 'reply')
+			.leftJoinAndSelect('note.renote', 'renote')
+			.leftJoinAndSelect('reply.user', 'replyUser')
+			.leftJoinAndSelect('renote.user', 'renoteUser');
 
-				this.queryService.generateVisibilityQuery(query, me);
-				if (me) this.queryService.generateMutedUserQuery(query, me);
-				if (me) this.queryService.generateBlockedUserQuery(query, me);
-				if (me) this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
+		this.queryService.generateVisibilityQuery(query, me);
+		if (me) this.queryService.generateMutedUserQuery(query, me);
+		if (me) this.queryService.generateBlockedUserQuery(query, me);
+		if (me) this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
 
-				if (ps.withFiles) {
-					query.andWhere('note.fileIds != \'{}\'');
-				}
+		if (ps.withFiles) {
+			query.andWhere('note.fileIds != \'{}\'');
+		}
 
-				if (!ps.withReplies) {
-					query.andWhere(new Brackets(qb => {
-						qb
-							.where('note.replyId IS NULL') // 返信ではない
-							.orWhere(new Brackets(qb => {
-								qb // 返信だけど投稿者自身への返信
-									.where('note.replyId IS NOT NULL')
-									.andWhere('note.replyUserId = note.userId');
-							}));
+		if (!ps.withReplies) {
+			query.andWhere(new Brackets(qb => {
+				qb
+					.where('note.replyId IS NULL') // 返信ではない
+					.orWhere(new Brackets(qb => {
+						qb // 返信だけど投稿者自身への返信
+							.where('note.replyId IS NOT NULL')
+							.andWhere('note.replyUserId = note.userId');
 					}));
-				}
+			}));
+		}
 
-				const timeline = await query.limit(ps.limit).getMany();
+		const timeline = await query.limit(ps.limit).getMany();
 
-				process.nextTick(() => {
-					if (me) {
-						this.activeUsersChart.read(me);
-					}
-				});
-
-				return await this.noteEntityService.packMany(timeline, me);
+		process.nextTick(() => {
+			if (me) {
+				this.activeUsersChart.read(me);
 			}
 		});
+
+		return await this.noteEntityService.packMany(timeline, me);
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/notes/timeline.ts b/packages/backend/src/server/api/endpoints/notes/timeline.ts
index 3b597107ae..5016bd3acb 100644
--- a/packages/backend/src/server/api/endpoints/notes/timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/timeline.ts
@@ -5,7 +5,7 @@
 
 import { Brackets } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import type { NotesRepository } from '@/models/_.js';
+import type { MiNote, NotesRepository, ChannelFollowingsRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { QueryService } from '@/core/QueryService.js';
 import ActiveUsersChart from '@/core/chart/charts/active-users.js';
@@ -16,6 +16,8 @@ import { CacheService } from '@/core/CacheService.js';
 import { isUserRelated } from '@/misc/is-user-related.js';
 import { FunoutTimelineService } from '@/core/FunoutTimelineService.js';
 import { UserFollowingService } from '@/core/UserFollowingService.js';
+import { MiLocalUser } from '@/models/User.js';
+import { MetaService } from '@/core/MetaService.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -56,6 +58,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,
 
+		@Inject(DI.channelFollowingsRepository)
+		private channelFollowingsRepository: ChannelFollowingsRepository,
+
 		private noteEntityService: NoteEntityService,
 		private activeUsersChart: ActiveUsersChart,
 		private idService: IdService,
@@ -63,144 +68,209 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private funoutTimelineService: FunoutTimelineService,
 		private userFollowingService: UserFollowingService,
 		private queryService: QueryService,
+		private metaService: MetaService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
 			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 
-			const [
-				followings,
-				userIdsWhoMeMuting,
-				userIdsWhoMeMutingRenotes,
-				userIdsWhoBlockingMe,
-			] = await Promise.all([
-				this.cacheService.userFollowingsCache.fetch(me.id),
-				this.cacheService.userMutingsCache.fetch(me.id),
-				this.cacheService.renoteMutingsCache.fetch(me.id),
-				this.cacheService.userBlockedCache.fetch(me.id),
-			]);
+			const serverSettings = await this.metaService.fetch();
 
-			let noteIds = await this.funoutTimelineService.get(ps.withFiles ? `homeTimelineWithFiles:${me.id}` : `homeTimeline:${me.id}`, untilId, sinceId);
-			noteIds = noteIds.slice(0, ps.limit);
+			if (serverSettings.enableFanoutTimeline) {
+				const [
+					followings,
+					userIdsWhoMeMuting,
+					userIdsWhoMeMutingRenotes,
+					userIdsWhoBlockingMe,
+				] = await Promise.all([
+					this.cacheService.userFollowingsCache.fetch(me.id),
+					this.cacheService.userMutingsCache.fetch(me.id),
+					this.cacheService.renoteMutingsCache.fetch(me.id),
+					this.cacheService.userBlockedCache.fetch(me.id),
+				]);
 
-			if (noteIds.length > 0) {
-				const query = this.notesRepository.createQueryBuilder('note')
-					.where('note.id IN (:...noteIds)', { noteIds: noteIds })
-					.innerJoinAndSelect('note.user', 'user')
-					.leftJoinAndSelect('note.reply', 'reply')
-					.leftJoinAndSelect('note.renote', 'renote')
-					.leftJoinAndSelect('reply.user', 'replyUser')
-					.leftJoinAndSelect('renote.user', 'renoteUser')
-					.leftJoinAndSelect('note.channel', 'channel');
+				let noteIds = await this.funoutTimelineService.get(ps.withFiles ? `homeTimelineWithFiles:${me.id}` : `homeTimeline:${me.id}`, untilId, sinceId);
+				noteIds = noteIds.slice(0, ps.limit);
 
-				let timeline = await query.getMany();
+				let redisTimeline: MiNote[] = [];
 
-				timeline = timeline.filter(note => {
-					if (note.userId === me.id) {
-						return true;
-					}
-					if (isUserRelated(note, userIdsWhoBlockingMe)) return false;
-					if (isUserRelated(note, userIdsWhoMeMuting)) return false;
-					if (note.renoteId) {
-						if (note.text == null && note.fileIds.length === 0 && !note.hasPoll) {
-							if (isUserRelated(note, userIdsWhoMeMutingRenotes)) return false;
-							if (ps.withRenotes === false) return false;
-						}
-					}
-					if (note.reply && note.reply.visibility === 'followers') {
-						if (!Object.hasOwn(followings, note.reply.userId)) return false;
-					}
+				if (noteIds.length > 0) {
+					const query = this.notesRepository.createQueryBuilder('note')
+						.where('note.id IN (:...noteIds)', { noteIds: noteIds })
+						.innerJoinAndSelect('note.user', 'user')
+						.leftJoinAndSelect('note.reply', 'reply')
+						.leftJoinAndSelect('note.renote', 'renote')
+						.leftJoinAndSelect('reply.user', 'replyUser')
+						.leftJoinAndSelect('renote.user', 'renoteUser')
+						.leftJoinAndSelect('note.channel', 'channel');
 
-					return true;
-				});
+					redisTimeline = await query.getMany();
 
-				// TODO: フィルタした結果件数が足りなかった場合の対応
+					redisTimeline = redisTimeline.filter(note => {
+						if (note.userId === me.id) {
+							return true;
+						}
+						if (isUserRelated(note, userIdsWhoBlockingMe)) return false;
+						if (isUserRelated(note, userIdsWhoMeMuting)) return false;
+						if (note.renoteId) {
+							if (note.text == null && note.fileIds.length === 0 && !note.hasPoll) {
+								if (isUserRelated(note, userIdsWhoMeMutingRenotes)) return false;
+								if (ps.withRenotes === false) return false;
+							}
+						}
+						if (note.reply && note.reply.visibility === 'followers') {
+							if (!Object.hasOwn(followings, note.reply.userId)) return false;
+						}
 
-				timeline.sort((a, b) => a.id > b.id ? -1 : 1);
+						return true;
+					});
 
-				process.nextTick(() => {
-					this.activeUsersChart.read(me);
-				});
+					redisTimeline.sort((a, b) => a.id > b.id ? -1 : 1);
+				}
 
-				return await this.noteEntityService.packMany(timeline, me);
-			} else { // fallback to db
-				const followees = await this.userFollowingService.getFollowees(me.id);
+				if (redisTimeline.length > 0) {
+					process.nextTick(() => {
+						this.activeUsersChart.read(me);
+					});
 
-				//#region Construct query
-				const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
-					.andWhere('note.channelId IS NULL')
-					.innerJoinAndSelect('note.user', 'user')
-					.leftJoinAndSelect('note.reply', 'reply')
-					.leftJoinAndSelect('note.renote', 'renote')
-					.leftJoinAndSelect('reply.user', 'replyUser')
-					.leftJoinAndSelect('renote.user', 'renoteUser');
+					return await this.noteEntityService.packMany(redisTimeline, me);
+				} else { // fallback to db
+					return await this.getFromDb({
+						untilId,
+						sinceId,
+						limit: ps.limit,
+						includeMyRenotes: ps.includeMyRenotes,
+						includeRenotedMyNotes: ps.includeRenotedMyNotes,
+						includeLocalRenotes: ps.includeLocalRenotes,
+						withFiles: ps.withFiles,
+						withRenotes: ps.withRenotes,
+					}, me);
+				}
+			} else {
+				return await this.getFromDb({
+					untilId,
+					sinceId,
+					limit: ps.limit,
+					includeMyRenotes: ps.includeMyRenotes,
+					includeRenotedMyNotes: ps.includeRenotedMyNotes,
+					includeLocalRenotes: ps.includeLocalRenotes,
+					withFiles: ps.withFiles,
+					withRenotes: ps.withRenotes,
+				}, me);
+			}
+		});
+	}
 
-				if (followees.length > 0) {
-					const meOrFolloweeIds = [me.id, ...followees.map(f => f.followeeId)];
+	private async getFromDb(ps: { untilId: string | null; sinceId: string | null; limit: number; includeMyRenotes: boolean; includeRenotedMyNotes: boolean; includeLocalRenotes: boolean; withFiles: boolean; withRenotes: boolean; }, me: MiLocalUser) {
+		const followees = await this.userFollowingService.getFollowees(me.id);
+		const followingChannels = await this.channelFollowingsRepository.find({
+			where: {
+				followerId: me.id,
+			},
+		});
 
-					query.andWhere('note.userId IN (:...meOrFolloweeIds)', { meOrFolloweeIds: meOrFolloweeIds });
-				} else {
-					query.andWhere('note.userId = :meId', { meId: me.id });
-				}
+		//#region Construct query
+		const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId)
+			.innerJoinAndSelect('note.user', 'user')
+			.leftJoinAndSelect('note.reply', 'reply')
+			.leftJoinAndSelect('note.renote', 'renote')
+			.leftJoinAndSelect('reply.user', 'replyUser')
+			.leftJoinAndSelect('renote.user', 'renoteUser');
 
-				query.andWhere(new Brackets(qb => {
-					qb
-						.where('note.replyId IS NULL') // 返信ではない
-						.orWhere(new Brackets(qb => {
-							qb // 返信だけど投稿者自身への返信
-								.where('note.replyId IS NOT NULL')
-								.andWhere('note.replyUserId = note.userId');
-						}));
+		if (followees.length > 0 && followingChannels.length > 0) {
+			// ユーザー・チャンネルともにフォローあり
+			const meOrFolloweeIds = [me.id, ...followees.map(f => f.followeeId)];
+			const followingChannelIds = followingChannels.map(x => x.followeeId);
+			query.andWhere(new Brackets(qb => {
+				qb
+					.where(new Brackets(qb2 => {
+						qb2
+							.where('note.userId IN (:...meOrFolloweeIds)', { meOrFolloweeIds: meOrFolloweeIds })
+							.andWhere('note.channelId IS NULL');
+					}))
+					.orWhere('note.channelId IN (:...followingChannelIds)', { followingChannelIds });
+			}));
+		} else if (followees.length > 0) {
+			// ユーザーフォローのみ（チャンネルフォローなし）
+			const meOrFolloweeIds = [me.id, ...followees.map(f => f.followeeId)];
+			query
+				.andWhere('note.channelId IS NULL')
+				.andWhere('note.userId IN (:...meOrFolloweeIds)', { meOrFolloweeIds: meOrFolloweeIds });
+		} else if (followingChannels.length > 0) {
+			// チャンネルフォローのみ（ユーザーフォローなし）
+			const followingChannelIds = followingChannels.map(x => x.followeeId);
+			query.andWhere(new Brackets(qb => {
+				qb
+					.where('note.channelId IN (:...followingChannelIds)', { followingChannelIds })
+					.orWhere('note.userId = :meId', { meId: me.id });
+			}));
+		} else {
+			// フォローなし
+			query
+				.andWhere('note.channelId IS NULL')
+				.andWhere('note.userId = :meId', { meId: me.id });
+		}
+
+		query.andWhere(new Brackets(qb => {
+			qb
+				.where('note.replyId IS NULL') // 返信ではない
+				.orWhere(new Brackets(qb => {
+					qb // 返信だけど投稿者自身への返信
+						.where('note.replyId IS NOT NULL')
+						.andWhere('note.replyUserId = note.userId');
 				}));
+		}));
 
-				this.queryService.generateVisibilityQuery(query, me);
-				this.queryService.generateMutedUserQuery(query, me);
-				this.queryService.generateBlockedUserQuery(query, me);
-				this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
+		this.queryService.generateVisibilityQuery(query, me);
+		this.queryService.generateMutedUserQuery(query, me);
+		this.queryService.generateBlockedUserQuery(query, me);
+		this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
 
-				if (ps.includeMyRenotes === false) {
-					query.andWhere(new Brackets(qb => {
-						qb.orWhere('note.userId != :meId', { meId: me.id });
-						qb.orWhere('note.renoteId IS NULL');
-						qb.orWhere('note.text IS NOT NULL');
-						qb.orWhere('note.fileIds != \'{}\'');
-						qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
-					}));
-				}
+		if (ps.includeMyRenotes === false) {
+			query.andWhere(new Brackets(qb => {
+				qb.orWhere('note.userId != :meId', { meId: me.id });
+				qb.orWhere('note.renoteId IS NULL');
+				qb.orWhere('note.text IS NOT NULL');
+				qb.orWhere('note.fileIds != \'{}\'');
+				qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+			}));
+		}
 
-				if (ps.includeRenotedMyNotes === false) {
-					query.andWhere(new Brackets(qb => {
-						qb.orWhere('note.renoteUserId != :meId', { meId: me.id });
-						qb.orWhere('note.renoteId IS NULL');
-						qb.orWhere('note.text IS NOT NULL');
-						qb.orWhere('note.fileIds != \'{}\'');
-						qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
-					}));
-				}
+		if (ps.includeRenotedMyNotes === false) {
+			query.andWhere(new Brackets(qb => {
+				qb.orWhere('note.renoteUserId != :meId', { meId: me.id });
+				qb.orWhere('note.renoteId IS NULL');
+				qb.orWhere('note.text IS NOT NULL');
+				qb.orWhere('note.fileIds != \'{}\'');
+				qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+			}));
+		}
 
-				if (ps.includeLocalRenotes === false) {
-					query.andWhere(new Brackets(qb => {
-						qb.orWhere('note.renoteUserHost IS NOT NULL');
-						qb.orWhere('note.renoteId IS NULL');
-						qb.orWhere('note.text IS NOT NULL');
-						qb.orWhere('note.fileIds != \'{}\'');
-						qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
-					}));
-				}
+		if (ps.includeLocalRenotes === false) {
+			query.andWhere(new Brackets(qb => {
+				qb.orWhere('note.renoteUserHost IS NOT NULL');
+				qb.orWhere('note.renoteId IS NULL');
+				qb.orWhere('note.text IS NOT NULL');
+				qb.orWhere('note.fileIds != \'{}\'');
+				qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+			}));
+		}
 
-				if (ps.withFiles) {
-					query.andWhere('note.fileIds != \'{}\'');
-				}
-				//#endregion
+		if (ps.withFiles) {
+			query.andWhere('note.fileIds != \'{}\'');
+		}
 
-				const timeline = await query.limit(ps.limit).getMany();
+		if (ps.withRenotes === false) {
+			query.andWhere('note.renoteId IS NULL');
+		}
+		//#endregion
 
-				process.nextTick(() => {
-					this.activeUsersChart.read(me);
-				});
+		const timeline = await query.limit(ps.limit).getMany();
 
-				return await this.noteEntityService.packMany(timeline, me);
-			}
+		process.nextTick(() => {
+			this.activeUsersChart.read(me);
 		});
+
+		return await this.noteEntityService.packMany(timeline, me);
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts b/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
index 96e1e94f7c..9ead1410c2 100644
--- a/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
@@ -4,7 +4,7 @@
  */
 
 import { Inject, Injectable } from '@nestjs/common';
-import type { NotesRepository, UserListsRepository } from '@/models/_.js';
+import type { MiNote, NotesRepository, UserListMembershipsRepository, UserListsRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import ActiveUsersChart from '@/core/chart/charts/active-users.js';
@@ -13,7 +13,9 @@ import { CacheService } from '@/core/CacheService.js';
 import { IdService } from '@/core/IdService.js';
 import { isUserRelated } from '@/misc/is-user-related.js';
 import { FunoutTimelineService } from '@/core/FunoutTimelineService.js';
+import { QueryService } from '@/core/QueryService.js';
 import { ApiError } from '../../error.js';
+import { Brackets } from 'typeorm';
 
 export const meta = {
 	tags: ['notes', 'lists'],
@@ -70,11 +72,16 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		@Inject(DI.userListsRepository)
 		private userListsRepository: UserListsRepository,
 
+		@Inject(DI.userListMembershipsRepository)
+		private userListMembershipsRepository: UserListMembershipsRepository,
+
 		private noteEntityService: NoteEntityService,
 		private activeUsersChart: ActiveUsersChart,
 		private cacheService: CacheService,
 		private idService: IdService,
 		private funoutTimelineService: FunoutTimelineService,
+		private queryService: QueryService,
+
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
@@ -102,44 +109,129 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			let noteIds = await this.funoutTimelineService.get(ps.withFiles ? `userListTimelineWithFiles:${list.id}` : `userListTimeline:${list.id}`, untilId, sinceId);
 			noteIds = noteIds.slice(0, ps.limit);
 
-			if (noteIds.length === 0) {
-				return [];
-			}
+			let redisTimeline: MiNote[] = [];
 
-			const query = this.notesRepository.createQueryBuilder('note')
-				.where('note.id IN (:...noteIds)', { noteIds: noteIds })
-				.innerJoinAndSelect('note.user', 'user')
-				.leftJoinAndSelect('note.reply', 'reply')
-				.leftJoinAndSelect('note.renote', 'renote')
-				.leftJoinAndSelect('reply.user', 'replyUser')
-				.leftJoinAndSelect('renote.user', 'renoteUser')
-				.leftJoinAndSelect('note.channel', 'channel');
+			if (noteIds.length > 0) {
+				const query = this.notesRepository.createQueryBuilder('note')
+					.where('note.id IN (:...noteIds)', { noteIds: noteIds })
+					.innerJoinAndSelect('note.user', 'user')
+					.leftJoinAndSelect('note.reply', 'reply')
+					.leftJoinAndSelect('note.renote', 'renote')
+					.leftJoinAndSelect('reply.user', 'replyUser')
+					.leftJoinAndSelect('renote.user', 'renoteUser')
+					.leftJoinAndSelect('note.channel', 'channel');
 
-			let timeline = await query.getMany();
+				redisTimeline = await query.getMany();
+
+				redisTimeline = redisTimeline.filter(note => {
+					if (note.userId === me.id) {
+						return true;
+					}
+					if (isUserRelated(note, userIdsWhoBlockingMe)) return false;
+					if (isUserRelated(note, userIdsWhoMeMuting)) return false;
+					if (note.renoteId) {
+						if (note.text == null && note.fileIds.length === 0 && !note.hasPoll) {
+							if (isUserRelated(note, userIdsWhoMeMutingRenotes)) return false;
+							if (ps.withRenotes === false) return false;
+						}
+					}
 
-			timeline = timeline.filter(note => {
-				if (note.userId === me.id) {
 					return true;
+				});
+
+				redisTimeline.sort((a, b) => a.id > b.id ? -1 : 1);
+			}
+
+			if (redisTimeline.length > 0) {
+				this.activeUsersChart.read(me);
+				return await this.noteEntityService.packMany(redisTimeline, me);
+			} else { // fallback to db
+				//#region Construct query
+				const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId)
+					.innerJoin(this.userListMembershipsRepository.metadata.targetName, 'userListMemberships', 'userListMemberships.userId = note.userId')
+					.innerJoinAndSelect('note.user', 'user')
+					.leftJoinAndSelect('note.reply', 'reply')
+					.leftJoinAndSelect('note.renote', 'renote')
+					.leftJoinAndSelect('reply.user', 'replyUser')
+					.leftJoinAndSelect('renote.user', 'renoteUser')
+					.andWhere('userListMemberships.userListId = :userListId', { userListId: list.id })
+					.andWhere('note.channelId IS NULL') // チャンネルノートではない
+					.andWhere(new Brackets(qb => {
+						qb
+							.where('note.replyId IS NULL') // 返信ではない
+							.orWhere(new Brackets(qb => {
+								qb // 返信だけど投稿者自身への返信
+									.where('note.replyId IS NOT NULL')
+									.andWhere('note.replyUserId = note.userId');
+							}))
+							.orWhere(new Brackets(qb => {
+								qb // 返信だけど自分宛ての返信
+									.where('note.replyId IS NOT NULL')
+									.andWhere('note.replyUserId = :meId', { meId: me.id });
+							}))
+							.orWhere(new Brackets(qb => {
+								qb // 返信だけどwithRepliesがtrueの場合
+									.where('note.replyId IS NOT NULL')
+									.andWhere('userListMemberships.withReplies = true');
+							}));
+					}));
+
+				this.queryService.generateVisibilityQuery(query, me);
+				this.queryService.generateMutedUserQuery(query, me);
+				this.queryService.generateBlockedUserQuery(query, me);
+				this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
+
+				if (ps.includeMyRenotes === false) {
+					query.andWhere(new Brackets(qb => {
+						qb.orWhere('note.userId != :meId', { meId: me.id });
+						qb.orWhere('note.renoteId IS NULL');
+						qb.orWhere('note.text IS NOT NULL');
+						qb.orWhere('note.fileIds != \'{}\'');
+						qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+					}));
 				}
-				if (isUserRelated(note, userIdsWhoBlockingMe)) return false;
-				if (isUserRelated(note, userIdsWhoMeMuting)) return false;
-				if (note.renoteId) {
-					if (note.text == null && note.fileIds.length === 0 && !note.hasPoll) {
-						if (isUserRelated(note, userIdsWhoMeMutingRenotes)) return false;
-						if (ps.withRenotes === false) return false;
-					}
+
+				if (ps.includeRenotedMyNotes === false) {
+					query.andWhere(new Brackets(qb => {
+						qb.orWhere('note.renoteUserId != :meId', { meId: me.id });
+						qb.orWhere('note.renoteId IS NULL');
+						qb.orWhere('note.text IS NOT NULL');
+						qb.orWhere('note.fileIds != \'{}\'');
+						qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+					}));
 				}
 
-				return true;
-			});
+				if (ps.includeLocalRenotes === false) {
+					query.andWhere(new Brackets(qb => {
+						qb.orWhere('note.renoteUserHost IS NOT NULL');
+						qb.orWhere('note.renoteId IS NULL');
+						qb.orWhere('note.text IS NOT NULL');
+						qb.orWhere('note.fileIds != \'{}\'');
+						qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
+					}));
+				}
 
-			// TODO: フィルタした結果件数が足りなかった場合の対応
+				if (ps.withRenotes === false) {
+					query.andWhere(new Brackets(qb => {
+						qb.orWhere('note.renoteId IS NULL');
+						qb.orWhere(new Brackets(qb => {
+							qb.orWhere('note.text IS NOT NULL');
+							qb.orWhere('note.fileIds != \'{}\'');
+						}));
+					}));
+				}
+
+				if (ps.withFiles) {
+					query.andWhere('note.fileIds != \'{}\'');
+				}
+				//#endregion
 
-			timeline.sort((a, b) => a.id > b.id ? -1 : 1);
+				const timeline = await query.limit(ps.limit).getMany();
 
-			this.activeUsersChart.read(me);
+				this.activeUsersChart.read(me);
 
-			return await this.noteEntityService.packMany(timeline, me);
+				return await this.noteEntityService.packMany(timeline, me);
+			}
 		});
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/notifications/create.ts b/packages/backend/src/server/api/endpoints/notifications/create.ts
index 268628cf76..7c6a979160 100644
--- a/packages/backend/src/server/api/endpoints/notifications/create.ts
+++ b/packages/backend/src/server/api/endpoints/notifications/create.ts
@@ -42,8 +42,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			this.notificationService.createNotification(user.id, 'app', {
 				appAccessTokenId: token ? token.id : null,
 				customBody: ps.body,
-				customHeader: ps.header,
-				customIcon: ps.icon,
+				customHeader: ps.header ?? token?.name ?? null,
+				customIcon: ps.icon ?? token?.iconUrl ?? null,
 			});
 		});
 	}