Merge branch 'develop' into merge/2024-02-03

# Conflicts:
#	locales/index.d.ts
#	packages/backend/src/core/entities/UserEntityService.ts
#	packages/frontend/src/_dev_boot_.ts
#	packages/misskey-js/src/autogen/types.ts
#	sharkey-locales/en-US.yml

21 files changed, 465 insertions, 34 deletions

diff --git a/packages/backend/migration/1738446745738-add_user_profile_default_cw.js b/packages/backend/migration/1738446745738-add_user_profile_default_cw.js
new file mode 100644
index 0000000000..205ca2087a
--- /dev/null
+++ b/packages/backend/migration/1738446745738-add_user_profile_default_cw.js
@@ -0,0 +1,11 @@
+export class AddUserProfileDefaultCw1738446745738 {
+	name = 'AddUserProfileDefaultCw1738446745738'
+
+	async up(queryRunner) {
+		await queryRunner.query(`ALTER TABLE "user_profile" ADD "default_cw" text`);
+	}
+
+	async down(queryRunner) {
+		await queryRunner.query(`ALTER TABLE "user_profile" DROP COLUMN "default_cw"`);
+	}
+}
diff --git a/packages/backend/migration/1738468079662-add_user_profile_default_cw_priority.js b/packages/backend/migration/1738468079662-add_user_profile_default_cw_priority.js
new file mode 100644
index 0000000000..90de25e06f
--- /dev/null
+++ b/packages/backend/migration/1738468079662-add_user_profile_default_cw_priority.js
@@ -0,0 +1,13 @@
+export class AddUserProfileDefaultCwPriority1738468079662 {
+	name = 'AddUserProfileDefaultCwPriority1738468079662'
+
+	async up(queryRunner) {
+		await queryRunner.query(`CREATE TYPE "public"."user_profile_default_cw_priority_enum" AS ENUM ('default', 'parent', 'defaultParent', 'parentDefault')`);
+		await queryRunner.query(`ALTER TABLE "user_profile" ADD "default_cw_priority" "public"."user_profile_default_cw_priority_enum" NOT NULL DEFAULT 'parent'`);
+	}
+
+	async down(queryRunner) {
+		await queryRunner.query(`ALTER TABLE "user_profile" DROP COLUMN "default_cw_priority"`);
+		await queryRunner.query(`DROP TYPE "public"."user_profile_default_cw_priority_enum"`);
+	}
+}
diff --git a/packages/backend/src/core/MfmService.ts b/packages/backend/src/core/MfmService.ts
index 1aca3737b3..2095ebca98 100644
--- a/packages/backend/src/core/MfmService.ts
+++ b/packages/backend/src/core/MfmService.ts
@@ -263,6 +263,67 @@ export class MfmService {
 					break;
 				}
 
+				case 'rp': break;
+				case 'rt': {
+					appendChildren(node.childNodes);
+					break;
+				}
+				case 'ruby': {
+					if (node.childNodes) {
+						/*
+							we get:
+							```
+							<ruby>
+							some text <rp>(</rp> <rt>annotation</rt> <rp>)</rp>
+							more text <rt>more annotation<rt>
+							</ruby>
+							```
+
+							and we want to produce:
+							```
+							$[ruby $[group some text] annotation]
+							$[ruby $[group more text] more annotation]
+							```
+
+							that `group` is a hack, because when the `ruby` render
+							sees just text inside the `$[ruby]`, it splits on
+							whitespace, considers the first "word" to be the main
+							content, and the rest the annotation
+
+							with that `group`, we force it to consider the whole
+							group as the main content
+
+							(note that the `rp` are to be ignored, they only exist
+							for browsers who don't understand ruby)
+						*/
+						let nonRtNodes = [];
+						// scan children, ignore `rp`, split on `rt`
+						for (const child of node.childNodes) {
+							if (treeAdapter.isTextNode(child)) {
+								nonRtNodes.push(child);
+								continue;
+							}
+							if (!treeAdapter.isElementNode(child)) {
+								continue;
+							}
+							if (child.nodeName === 'rp') {
+								continue;
+							}
+							if (child.nodeName === 'rt') {
+								text += '$[ruby $[group ';
+								appendChildren(nonRtNodes);
+								text += '] ';
+								analyze(child);
+								text += '] ';
+								nonRtNodes = [];
+								continue;
+							}
+							nonRtNodes.push(child);
+						}
+					}
+					break;
+				}
+
 				default:	// includes inline elements
 				{
 					appendChildren(node.childNodes);
@@ -381,6 +442,14 @@ export class MfmService {
 						}
 					}
 
+					// hack for ruby, should never be needed because we should
+					// never send this out to other instances
+					case 'group': {
+						const el = doc.createElement('span');
+						appendChildren(node.children, el);
+						return el;
+					}
+
 					default: {
 						return fnDefault(node);
 					}
@@ -559,11 +628,65 @@ export class MfmService {
 			},
 
 			async fn(node) {
-				const el = doc.createElement('span');
-				el.textContent = '*';
-				await appendChildren(node.children, el);
-				el.textContent += '*';
-				return el;
+				switch (node.props.name) {
+					case 'group': { // hack for ruby
+						const el = doc.createElement('span');
+						await appendChildren(node.children, el);
+						return el;
+					}
+					case 'ruby': {
+						if (node.children.length === 1) {
+							const child = node.children[0];
+							const text = child.type === 'text' ? child.props.text : '';
+							const rubyEl = doc.createElement('ruby');
+							const rtEl = doc.createElement('rt');
+
+							const rpStartEl = doc.createElement('rp');
+							rpStartEl.appendChild(doc.createTextNode('('));
+							const rpEndEl = doc.createElement('rp');
+							rpEndEl.appendChild(doc.createTextNode(')'));
+
+							rubyEl.appendChild(doc.createTextNode(text.split(' ')[0]));
+							rtEl.appendChild(doc.createTextNode(text.split(' ')[1]));
+							rubyEl.appendChild(rpStartEl);
+							rubyEl.appendChild(rtEl);
+							rubyEl.appendChild(rpEndEl);
+							return rubyEl;
+						} else {
+							const rt = node.children.at(-1);
+
+							if (!rt) {
+								const el = doc.createElement('span');
+								await appendChildren(node.children, el);
+								return el;
+							}
+
+							const text = rt.type === 'text' ? rt.props.text : '';
+							const rubyEl = doc.createElement('ruby');
+							const rtEl = doc.createElement('rt');
+
+							const rpStartEl = doc.createElement('rp');
+							rpStartEl.appendChild(doc.createTextNode('('));
+							const rpEndEl = doc.createElement('rp');
+							rpEndEl.appendChild(doc.createTextNode(')'));
+
+							await appendChildren(node.children.slice(0, node.children.length - 1), rubyEl);
+							rtEl.appendChild(doc.createTextNode(text.trim()));
+							rubyEl.appendChild(rpStartEl);
+							rubyEl.appendChild(rtEl);
+							rubyEl.appendChild(rpEndEl);
+							return rubyEl;
+						}
+					}
+
+					default: {
+						const el = doc.createElement('span');
+						el.textContent = '*';
+						await appendChildren(node.children, el);
+						el.textContent += '*';
+						return el;
+					}
+				}
 			},
 
 			blockCode(node) {
diff --git a/packages/backend/src/core/entities/UserEntityService.ts b/packages/backend/src/core/entities/UserEntityService.ts
index c818fa5603..6ea2d6629a 100644
--- a/packages/backend/src/core/entities/UserEntityService.ts
+++ b/packages/backend/src/core/entities/UserEntityService.ts
@@ -55,6 +55,8 @@ import type { NoteEntityService } from './NoteEntityService.js';
 import type { DriveFileEntityService } from './DriveFileEntityService.js';
 import type { PageEntityService } from './PageEntityService.js';
 
+/* eslint-disable @typescript-eslint/no-non-null-assertion */
+
 const Ajv = _Ajv.default;
 const ajv = new Ajv();
 
@@ -669,6 +671,8 @@ export class UserEntityService implements OnModuleInit {
 				achievements: profile!.achievements,
 				loggedInDays: profile!.loggedInDates.length,
 				policies: this.roleService.getUserPolicies(user.id),
+				defaultCW: profile!.defaultCW,
+				defaultCWPriority: profile!.defaultCWPriority,
 			} : {}),
 
 			...(opts.includeSecrets ? {
diff --git a/packages/backend/src/models/UserProfile.ts b/packages/backend/src/models/UserProfile.ts
index 751b1aff08..449c2f370b 100644
--- a/packages/backend/src/models/UserProfile.ts
+++ b/packages/backend/src/models/UserProfile.ts
@@ -4,7 +4,7 @@
  */
 
 import { Entity, Column, Index, OneToOne, JoinColumn, PrimaryColumn } from 'typeorm';
-import { obsoleteNotificationTypes, followingVisibilities, followersVisibilities, notificationTypes } from '@/types.js';
+import { obsoleteNotificationTypes, followingVisibilities, followersVisibilities, notificationTypes, noteVisibilities, defaultCWPriorities } from '@/types.js';
 import { id } from './util/id.js';
 import { MiUser } from './User.js';
 import { MiPage } from './Page.js';
@@ -36,10 +36,10 @@ export class MiUserProfile {
 	})
 	public birthday: string | null;
 
-	@Column("varchar", {
+	@Column('varchar', {
 		length: 128,
 		nullable: true,
-		comment: "The ListenBrainz username of the User.",
+		comment: 'The ListenBrainz username of the User.',
 	})
 	public listenbrainz: string | null;
 
@@ -290,6 +290,19 @@ export class MiUserProfile {
 		unlockedAt: number;
 	}[];
 
+	@Column('text', {
+		name: 'default_cw',
+		nullable: true,
+	})
+	public defaultCW: string | null;
+
+	@Column('enum', {
+		name: 'default_cw_priority',
+		enum: defaultCWPriorities,
+		default: 'parent',
+	})
+	public defaultCWPriority: typeof defaultCWPriorities[number];
+
 	//#region Denormalized fields
 	@Index()
 	@Column('varchar', {
diff --git a/packages/backend/src/models/json-schema/user.ts b/packages/backend/src/models/json-schema/user.ts
index f953008b3f..93b031e9c5 100644
--- a/packages/backend/src/models/json-schema/user.ts
+++ b/packages/backend/src/models/json-schema/user.ts
@@ -752,6 +752,15 @@ export const packedMeDetailedOnlySchema = {
 			},
 		},
 		//#endregion
+		defaultCW: {
+			type: 'string',
+			nullable: true, optional: false,
+		},
+		defaultCWPriority: {
+			type: 'string',
+			enum: ['default', 'parent', 'defaultParent', 'parentDefault'],
+			nullable: false, optional: false,
+		},
 	},
 } as const;
 
diff --git a/packages/backend/src/server/api/endpoints/federation/update-remote-user.ts b/packages/backend/src/server/api/endpoints/federation/update-remote-user.ts
index 3ec9522c44..5217f79065 100644
--- a/packages/backend/src/server/api/endpoints/federation/update-remote-user.ts
+++ b/packages/backend/src/server/api/endpoints/federation/update-remote-user.ts
@@ -13,10 +13,11 @@ export const meta = {
 
 	requireCredential: false,
 
-	// 2 calls per second
+	// Up to 10 calls, then 4 / second.
+	// This allows for reliable automation.
 	limit: {
-		duration: 1000,
-		max: 2,
+		max: 10,
+		dripRate: 250,
 	},
 } as const;
 
diff --git a/packages/backend/src/server/api/endpoints/i.ts b/packages/backend/src/server/api/endpoints/i.ts
index 9347c9ca27..48a2e3b40a 100644
--- a/packages/backend/src/server/api/endpoints/i.ts
+++ b/packages/backend/src/server/api/endpoints/i.ts
@@ -31,10 +31,12 @@ export const meta = {
 		},
 	},
 
-	// 3 calls per second
+	// up to 20 calls, then 1 per second.
+	// This handles bursty traffic when all tabs reload as a group
 	limit: {
-		duration: 1000,
-		max: 3,
+		max: 20,
+		dripSize: 1,
+		dripRate: 1000,
 	},
 } as const;
 
diff --git a/packages/backend/src/server/api/endpoints/i/update.ts b/packages/backend/src/server/api/endpoints/i/update.ts
index a80e5ed033..f74452e2af 100644
--- a/packages/backend/src/server/api/endpoints/i/update.ts
+++ b/packages/backend/src/server/api/endpoints/i/update.ts
@@ -133,6 +133,12 @@ export const meta = {
 			id: '0b3f9f6a-2f4d-4b1f-9fb4-49d3a2fd7191',
 			httpStatusCode: 422,
 		},
+
+		maxCwLength: {
+			message: 'You tried setting a default content warning which is too long.',
+			code: 'MAX_CW_LENGTH',
+			id: '7004c478-bda3-4b4f-acb2-4316398c9d52',
+		},
 	},
 
 	res: {
@@ -243,6 +249,12 @@ export const paramDef = {
 			uniqueItems: true,
 			items: { type: 'string' },
 		},
+		defaultCW: { type: 'string', nullable: true },
+		defaultCWPriority: {
+			type: 'string',
+			enum: ['default', 'parent', 'defaultParent', 'parentDefault'],
+			nullable: false,
+		},
 	},
 } as const;
 
@@ -494,6 +506,19 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				updates.alsoKnownAs = newAlsoKnownAs.size > 0 ? Array.from(newAlsoKnownAs) : null;
 			}
 
+			let defaultCW = ps.defaultCW;
+			if (defaultCW !== undefined) {
+				if (defaultCW === '') defaultCW = null;
+				if (defaultCW && defaultCW.length > this.config.maxCwLength) {
+					throw new ApiError(meta.errors.maxCwLength);
+				}
+
+				profileUpdates.defaultCW = defaultCW;
+			}
+			if (ps.defaultCWPriority !== undefined) {
+				profileUpdates.defaultCWPriority = ps.defaultCWPriority;
+			}
+
 			//#region emojis/tags
 
 			let emojis = [] as string[];
diff --git a/packages/backend/src/server/api/endpoints/users/show.ts b/packages/backend/src/server/api/endpoints/users/show.ts
index 7ebca78a7d..118362149d 100644
--- a/packages/backend/src/server/api/endpoints/users/show.ts
+++ b/packages/backend/src/server/api/endpoints/users/show.ts
@@ -57,10 +57,10 @@ export const meta = {
 		},
 	},
 
-	// 5 calls per 2 seconds
+	// up to 50 calls @ 4 per second
 	limit: {
-		duration: 1000 * 2,
-		max: 5,
+		max: 50,
+		dripRate: 250,
 	},
 } as const;
 
diff --git a/packages/backend/src/server/web/boot.embed.js b/packages/backend/src/server/web/boot.embed.js
index b07dce3ac4..1af1dc545b 100644
--- a/packages/backend/src/server/web/boot.embed.js
+++ b/packages/backend/src/server/web/boot.embed.js
@@ -48,7 +48,7 @@
 			if (supportedLangs.includes(navigator.language)) {
 				lang = navigator.language;
 			} else {
-				lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
+				lang = supportedLangs.find(x => x.split('-')[0] === navigator.language.split('-')[0]);
 
 				// Fallback
 				if (lang == null) lang = 'en-US';
diff --git a/packages/backend/src/server/web/boot.js b/packages/backend/src/server/web/boot.js
index bf83340bde..54750e26e5 100644
--- a/packages/backend/src/server/web/boot.js
+++ b/packages/backend/src/server/web/boot.js
@@ -39,7 +39,7 @@
 			if (supportedLangs.includes(navigator.language)) {
 				lang = navigator.language;
 			} else {
-				lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
+				lang = supportedLangs.find(x => x.split('-')[0] === navigator.language.split('-')[0]);
 
 				// Fallback
 				if (lang == null) lang = 'en-US';
diff --git a/packages/backend/src/types.ts b/packages/backend/src/types.ts
index 37bed27fb1..067481d9da 100644
--- a/packages/backend/src/types.ts
+++ b/packages/backend/src/types.ts
@@ -58,6 +58,8 @@ export const mutedNoteReasons = ['word', 'manual', 'spam', 'other'] as const;
 export const followingVisibilities = ['public', 'followers', 'private'] as const;
 export const followersVisibilities = ['public', 'followers', 'private'] as const;
 
+export const defaultCWPriorities = ['default', 'parent', 'defaultParent', 'parentDefault'] as const;
+
 /**
  * ユーザーがエクスポートできるものの種類
  *
diff --git a/packages/backend/test/unit/MfmService.ts b/packages/backend/test/unit/MfmService.ts
index 73d9c7b60c..d263aafa0f 100644
--- a/packages/backend/test/unit/MfmService.ts
+++ b/packages/backend/test/unit/MfmService.ts
@@ -45,6 +45,50 @@ describe('MfmService', () => {
 			const output = '<p><pre><code>&lt;p&gt;Hello, world!&lt;/p&gt;</code></pre></p>';
 			assert.equal(mfmService.toHtml(mfm.parse(input)), output);
 		});
+
+		test('ruby', () => {
+			const input = '$[ruby some text ignore me]';
+			const output = '<p><ruby>some<rp>(</rp><rt>text</rt><rp>)</rp></ruby></p>';
+			assert.equal(mfmService.toHtml(mfm.parse(input)), output);
+		});
+
+		test('ruby2', () => {
+			const input = '$[ruby *some text* ignore me]';
+			const output = '<p><ruby><i>some text</i><rp>(</rp><rt>ignore me</rt><rp>)</rp></ruby></p>';
+			assert.equal(mfmService.toHtml(mfm.parse(input)), output);
+		});
+
+		test('ruby 3', () => {
+			const input = '$[ruby $[group *some* text] ignore me]';
+			const output = '<p><ruby><span><i>some</i> text</span><rp>(</rp><rt>ignore me</rt><rp>)</rp></ruby></p>';
+			assert.equal(mfmService.toHtml(mfm.parse(input)), output);
+		});
+	});
+
+	describe('toMastoApiHtml', () => {
+		test('br', async () => {
+			const input = 'foo\nbar\nbaz';
+			const output = '<p><span>foo<br>bar<br>baz</span></p>';
+			assert.equal(await mfmService.toMastoApiHtml(mfm.parse(input)), output);
+		});
+
+		test('br alt', async () => {
+			const input = 'foo\r\nbar\rbaz';
+			const output = '<p><span>foo<br>bar<br>baz</span></p>';
+			assert.equal(await mfmService.toMastoApiHtml(mfm.parse(input)), output);
+		});
+
+		test('escape', async () => {
+			const input = '```\n<p>Hello, world!</p>\n```';
+			const output = '<p><pre><code>&lt;p&gt;Hello, world!&lt;/p&gt;</code></pre></p>';
+			assert.equal(await mfmService.toMastoApiHtml(mfm.parse(input)), output);
+		});
+
+		test('ruby', async () => {
+			const input = '$[ruby $[group *some* text] ignore me]';
+			const output = '<p><ruby><span><span>*some*</span><span> text</span></span><rp>(</rp><rt>ignore me</rt><rp>)</rp></ruby></p>';
+			assert.equal(await mfmService.toMastoApiHtml(mfm.parse(input)), output);
+		});
 	});
 
 	describe('fromHtml', () => {
@@ -133,5 +177,12 @@ describe('MfmService', () => {
 		test('hashtag', () => {
 			assert.deepStrictEqual(mfmService.fromHtml('<p>a <a href="https://example.com/tags/a">#a</a> d</p>', ['#a']), 'a #a d');
 		});
+
+		test('ruby', () => {
+			assert.deepStrictEqual(
+				mfmService.fromHtml('<ruby> <i>some</i> text <rp>(</rp><rt>ignore me</rt><rp>)</rp> and <rt>more</rt></ruby>'),
+				'$[ruby $[group  <i>some</i> text ] ignore me] $[ruby $[group  and ] more]'
+			);
+		});
 	});
 });
diff --git a/packages/frontend/src/components/MkFollowButton.vue b/packages/frontend/src/components/MkFollowButton.vue
index c7965aaac4..42e8485f46 100644
--- a/packages/frontend/src/components/MkFollowButton.vue
+++ b/packages/frontend/src/components/MkFollowButton.vue
@@ -7,7 +7,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <button
 	class="_button"
 	:class="[$style.root, { [$style.wait]: wait, [$style.active]: isFollowing || hasPendingFollowRequestFromYou, [$style.full]: full, [$style.large]: large }]"
-	:disabled="wait"
+	:disabled="wait || disabled"
 	@click="onClick"
 >
 	<template v-if="!wait">
@@ -35,7 +35,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { onBeforeUnmount, onMounted, ref } from 'vue';
+import { onBeforeUnmount, onMounted, ref, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import { host } from '@@/js/config.js';
 import * as os from '@/os.js';
@@ -51,13 +51,16 @@ const props = withDefaults(defineProps<{
 	user: Misskey.entities.UserDetailed,
 	full?: boolean,
 	large?: boolean,
+	disabled?: boolean,
 }>(), {
 	full: false,
 	large: false,
+	disabled: false,
 });
 
 const emit = defineEmits<{
-	(_: 'update:user', value: Misskey.entities.UserDetailed): void
+	(_: 'update:user', value: Misskey.entities.UserDetailed): void,
+	(_: 'update:wait', value: boolean): void,
 }>();
 
 const isFollowing = ref(props.user.isFollowing);
@@ -65,6 +68,9 @@ const hasPendingFollowRequestFromYou = ref(props.user.hasPendingFollowRequestFro
 const wait = ref(false);
 const connection = useStream().useChannel('main');
 
+// Emit the "wait" status so external components can synchronize state
+watch(wait, value => emit('update:wait', value));
+
 if (props.user.isFollowing == null && $i) {
 	misskeyApi('users/show', {
 		userId: props.user.id,
diff --git a/packages/frontend/src/components/MkNotification.vue b/packages/frontend/src/components/MkNotification.vue
index 4620b966af..f979287bdd 100644
--- a/packages/frontend/src/components/MkNotification.vue
+++ b/packages/frontend/src/components/MkNotification.vue
@@ -122,6 +122,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 			<template v-else-if="notification.type === 'follow'">
 				<span :class="$style.text" style="opacity: 0.6;">{{ i18n.ts.youGotNewFollower }}</span>
+				<div v-if="full" :class="$style.followRequestCommands">
+					<MkFollowButton v-if="userDetailed" :class="$style.followCommandButton" :user="userDetailed" :transparent="false" :full="false"/>
+				</div>
 			</template>
 			<template v-else-if="notification.type === 'followRequestAccepted'">
 				<div :class="$style.text" style="opacity: 0.6;">{{ i18n.ts.followRequestAccepted }}</div>
@@ -136,6 +139,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<div v-if="full && !followRequestDone" :class="$style.followRequestCommands">
 					<MkButton :class="$style.followRequestCommandButton" rounded primary @click="acceptFollowRequest()"><i class="ti ti-check"/> {{ i18n.ts.accept }}</MkButton>
 					<MkButton :class="$style.followRequestCommandButton" rounded danger @click="rejectFollowRequest()"><i class="ti ti-x"/> {{ i18n.ts.reject }}</MkButton>
+					<MkFollowButton v-if="userDetailed" :class="$style.followCommandButton" :user="userDetailed" :transparent="false" :full="false"/>
 				</div>
 			</template>
 			<span v-else-if="notification.type === 'test'" :class="$style.text">{{ i18n.ts._notification.notificationWillBeDisplayedLikeThis }}</span>
@@ -179,8 +183,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { ref } from 'vue';
+import { Ref, ref, watch } from 'vue';
 import * as Misskey from 'misskey-js';
+import { UserDetailed } from 'misskey-js/autogen/models.js';
 import MkReactionIcon from '@/components/MkReactionIcon.vue';
 import MkButton from '@/components/MkButton.vue';
 import { getNoteSummary } from '@/scripts/get-note-summary.js';
@@ -190,6 +195,7 @@ import { i18n } from '@/i18n.js';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { signinRequired } from '@/account.js';
 import { infoImageUrl } from '@/instance.js';
+import MkFollowButton from '@/components/MkFollowButton.vue';
 
 const $i = signinRequired();
 
@@ -202,6 +208,26 @@ const props = withDefaults(defineProps<{
 	full: false,
 });
 
+const userDetailed: Ref<UserDetailed | null> = ref(null);
+
+// watch() is required because computed() doesn't support async.
+watch(props, async () => {
+	const type = props.notification.type;
+
+	// To avoid extra lookups, only do the query when it actually matters.
+	if (type === 'follow' || type === 'receiveFollowRequest') {
+		const user = await misskeyApi('users/show', {
+			userId: props.notification.userId,
+		});
+
+		userDetailed.value = user;
+		followRequestDone.value = !user.hasPendingFollowRequestToYou;
+	} else {
+		userDetailed.value = null;
+		followRequestDone.value = false;
+	}
+}, { immediate: true });
+
 type ExportCompletedNotification = Misskey.entities.Notification & { type: 'exportCompleted' };
 
 const exportEntityName = {
@@ -216,7 +242,7 @@ const exportEntityName = {
 	userList: i18n.ts.lists,
 } as const satisfies Record<ExportCompletedNotification['exportedEntity'], string>;
 
-const followRequestDone = ref(false);
+const followRequestDone = ref(true);
 
 const acceptFollowRequest = () => {
 	if (!('user' in props.notification)) return;
@@ -434,13 +460,24 @@ function getActualReactedUsersCount(notification: Misskey.entities.Notification)
 .followRequestCommands {
 	display: flex;
 	gap: 8px;
-	max-width: 300px;
 	margin-top: 8px;
+	width: 100%;
 }
 .followRequestCommandButton {
+	max-width: 175px;
+	width: 100%;
+}
+
+.flexSpacer {
 	flex: 1;
 }
 
+.followCommandButton {
+	margin-left: auto;
+	flex-grow: 0;
+	flex-shrink: 0;
+}
+
 .reactionsItem {
 	display: inline-block;
 	position: relative;
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 41d443a388..059de8011c 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -366,6 +366,29 @@ if (defaultStore.state.keepCw && props.reply && props.reply.cw) {
 	cw.value = props.reply.cw;
 }
 
+// apply default CW
+if ($i.defaultCW) {
+	useCw.value = true;
+
+	if (!cw.value || $i.defaultCWPriority === 'default') {
+		cw.value = $i.defaultCW;
+	} else if ($i.defaultCWPriority !== 'parent') {
+		// This is a fancy way of simulating /\bsearch\b/ without a regular expression.
+		// We're checking to see whether the default CW appears inside the existing CW, but *only* if there's word boundaries.
+		const parts = cw.value.split($i.defaultCW);
+		const hasExistingDefaultCW = parts.length === 2 && !/\w$/.test(parts[0]) && !/^\w/.test(parts[1]);
+		if (!hasExistingDefaultCW) {
+			// We need to merge the CWs
+			if ($i.defaultCWPriority === 'defaultParent') {
+				cw.value = `${$i.defaultCW}, ${cw.value}`;
+			} else if ($i.defaultCWPriority === 'parentDefault') {
+				cw.value = `${cw.value}, ${$i.defaultCW}`;
+			}
+		}
+	}
+	// else { do nothing, because existing CW takes priority. }
+}
+
 function watchForDraft() {
 	watch(text, () => saveDraft());
 	watch(useCw, () => saveDraft());
diff --git a/packages/frontend/src/components/global/MkMfm.ts b/packages/frontend/src/components/global/MkMfm.ts
index e7b7d4ef14..9785bc0f07 100644
--- a/packages/frontend/src/components/global/MkMfm.ts
+++ b/packages/frontend/src/components/global/MkMfm.ts
@@ -358,6 +358,10 @@ export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEven
 							return h('ruby', {}, [...genEl(token.children.slice(0, token.children.length - 1), scale), h('rt', text.trim())]);
 						}
 					}
+					case 'group': { // this is mostly a hack for the insides of `ruby`
+						style = '';
+						break;
+					}
 					case 'unixtime': {
 						const child = token.children[0];
 						const unixtime = parseInt(child.type === 'text' ? child.props.text : '');
diff --git a/packages/frontend/src/pages/settings/privacy.vue b/packages/frontend/src/pages/settings/privacy.vue
index ce4c229a3a..0b8e89a6a5 100644
--- a/packages/frontend/src/pages/settings/privacy.vue
+++ b/packages/frontend/src/pages/settings/privacy.vue
@@ -155,10 +155,24 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<MkSwitch v-model="defaultNoteLocalOnly">{{ i18n.ts._visibility.disableFederation }}</MkSwitch>
 				</div>
 			</MkFolder>
+
+			<MkSwitch v-model="keepCw" @update:modelValue="save()">{{ i18n.ts.keepCw }}</MkSwitch>
+
+			<MkInput v-model="defaultCW" type="text" manualSave @update:modelValue="save()">
+				<template #label>{{ i18n.ts.defaultCW }}</template>
+				<template #caption>{{ i18n.ts.defaultCWDescription }}</template>
+			</MkInput>
+
+			<MkSelect v-model="defaultCWPriority" :disabled="!defaultCW || !keepCw" @update:modelValue="save()">
+				<template #label>{{ i18n.ts.defaultCWPriority }}</template>
+				<template #caption>{{ i18n.ts.defaultCWPriorityDescription }}</template>
+				<option value="default">{{ i18n.ts._defaultCWPriority.default }}</option>
+				<option value="parent">{{ i18n.ts._defaultCWPriority.parent }}</option>
+				<option value="parentDefault">{{ i18n.ts._defaultCWPriority.parentDefault }}</option>
+				<option value="defaultParent">{{ i18n.ts._defaultCWPriority.defaultParent }}</option>
+			</MkSelect>
 		</div>
 	</FormSection>
-
-	<MkSwitch v-model="keepCw" @update:modelValue="save()">{{ i18n.ts.keepCw }}</MkSwitch>
 </div>
 </template>
 
@@ -194,6 +208,8 @@ const hideOnlineStatus = ref($i.hideOnlineStatus);
 const publicReactions = ref($i.publicReactions);
 const followingVisibility = ref($i.followingVisibility);
 const followersVisibility = ref($i.followersVisibility);
+const defaultCW = ref($i.defaultCW);
+const defaultCWPriority = ref($i.defaultCWPriority);
 
 const defaultNoteVisibility = computed(defaultStore.makeGetterSetter('defaultNoteVisibility'));
 const defaultNoteLocalOnly = computed(defaultStore.makeGetterSetter('defaultNoteLocalOnly'));
@@ -252,6 +268,8 @@ function save() {
 		publicReactions: !!publicReactions.value,
 		followingVisibility: followingVisibility.value,
 		followersVisibility: followersVisibility.value,
+		defaultCWPriority: defaultCWPriority.value,
+		defaultCW: defaultCW.value,
 	});
 }
 
diff --git a/packages/frontend/src/pages/user/home.vue b/packages/frontend/src/pages/user/home.vue
index da2066391b..4b3773e0ae 100644
--- a/packages/frontend/src/pages/user/home.vue
+++ b/packages/frontend/src/pages/user/home.vue
@@ -15,7 +15,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkRemoteCaution v-if="user.host != null" :href="user.url ?? user.uri!" class="warn"/>
 
 				<div :key="user.id" class="main _panel">
-					<div class="banner-container" :style="style">
+					<div class="banner-container" :class="{ [$style.bannerContainerTall]: useTallBanner }" :style="style">
 						<div ref="bannerEl" class="banner" :style="style"></div>
 						<div class="fade"></div>
 						<div class="title">
@@ -39,12 +39,15 @@ SPDX-License-Identifier: AGPL-3.0-only
 							<li v-if="user.isBlocking">{{ i18n.ts.blocked }}</li>
 							<li v-if="user.isBlocked && $i.isModerator">{{ i18n.ts.blockingYou }}</li>
 						</ul>
-						<div class="actions">
-							<button class="menu _button" @click="menu"><i class="ti ti-dots"></i></button>
-							<MkFollowButton v-if="$i?.id != user.id" v-model:user="user" :inline="true" :transparent="false" :full="true" class="koudoku"/>
+						<div :class="$style.actions" class="actions">
+							<button :class="$style.actionsMenu" class="menu _button" @click="menu"><i class="ti ti-dots"></i></button>
+							<MkFollowButton v-if="$i?.id != user.id" v-model:user="user" :class="$style.actionsFollow" :disabled="disableFollowControls" :inline="true" :transparent="false" :full="true" class="koudoku" @update:wait="onFollowButtonDisabledChanged"/>
+							<div v-if="hasFollowRequest" :class="$style.actionsBanner">{{ i18n.ts.receiveFollowRequest }}</div>
+							<MkButton v-if="hasFollowRequest" :class="$style.actionsAccept" :disabled="disableFollowControls" :inline="true" :transparent="false" :full="true" rounded primary @click="acceptFollowRequest"><i class="ti ti-check"/> {{ i18n.ts.accept }}</MkButton>
+							<MkButton v-if="hasFollowRequest" :class="$style.actionsReject" :disabled="disableFollowControls" :inline="true" :transparent="false" :full="true" rounded danger @click="rejectFollowRequest"><i class="ti ti-x"/> {{ i18n.ts.reject }}</MkButton>
 						</div>
 					</div>
-					<MkAvatar class="avatar" :user="user" indicator/>
+					<MkAvatar class="avatar" :class="{ [$style.avatarTall]: useTallBanner }" :user="user" indicator/>
 					<div class="title">
 						<MkUserName :user="user" :nowrap="false" class="name"/>
 						<div class="bottom">
@@ -220,8 +223,8 @@ import MkSparkle from '@/components/MkSparkle.vue';
 
 const MkNote = defineAsyncComponent(() =>
 	defaultStore.state.noteDesign === 'sharkey'
-	? import('@/components/SkNote.vue')
-	: import('@/components/MkNote.vue'),
+		? import('@/components/SkNote.vue')
+		: import('@/components/MkNote.vue'),
 );
 
 function calcAge(birthdate: string): number {
@@ -387,6 +390,42 @@ async function updateMemo() {
 	isEditingMemo.value = false;
 }
 
+// Set true to disable the follow / follow request controls
+const disableFollowControls = ref(false);
+const hasFollowRequest = computed(() => user.value.hasPendingFollowRequestToYou);
+const useTallBanner = computed(() => hasFollowRequest.value && narrow.value);
+
+async function onFollowButtonDisabledChanged(disabled: boolean) {
+	try {
+		// Refresh the UI after MkFollowButton changes the follow relation
+		if (!disabled) {
+			user.value = await os.apiWithDialog('users/show', { userId: user.value.id });
+		}
+	} finally {
+		disableFollowControls.value = disabled;
+	}
+}
+
+async function acceptFollowRequest() {
+	try {
+		disableFollowControls.value = true;
+		await os.apiWithDialog('following/requests/accept', { userId: user.value.id });
+		user.value = await os.apiWithDialog('users/show', { userId: user.value.id });
+	} finally {
+		disableFollowControls.value = false;
+	}
+}
+
+async function rejectFollowRequest() {
+	try {
+		disableFollowControls.value = true;
+		await os.apiWithDialog('following/requests/reject', { userId: user.value.id });
+		user.value = await os.apiWithDialog('users/show', { userId: user.value.id });
+	} finally {
+		disableFollowControls.value = false;
+	}
+}
+
 watch([props.user], () => {
 	memoDraft.value = props.user.memo;
 });
@@ -863,4 +902,48 @@ onUnmounted(() => {
 		margin-left: 8px;
 	}
 }
+
+.actions {
+	display: grid;
+	grid-template-rows: min-content min-content min-content;
+	grid-template-columns: min-content auto 1fr;
+	grid-template-areas:
+		"menu follow follow"
+		"banner banner banner"
+		"accept accept reject";
+}
+
+.actionsMenu {
+	grid-area: menu;
+	width: unset;
+}
+
+.actionsFollow {
+	grid-area: follow;
+	margin-left: 8px;
+}
+
+.actionsBanner {
+	grid-area: banner;
+	justify-self: center;
+	margin-top: 8px;
+	margin-bottom: 4px;
+}
+
+.actionsAccept {
+	grid-area: accept;
+}
+
+.actionsReject {
+	grid-area: reject;
+	margin-left: 8px;
+}
+
+.bannerContainerTall {
+	height: 200px !important;
+}
+
+.avatarTall {
+	top: 150px !important;
+}
 </style>
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index 561be3075e..3d6bcab8c7 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -4244,6 +4244,9 @@ export type components = {
           /** Format: date-time */
           lastUsed: string;
         }[];
+      defaultCW: string | null;
+      /** @enum {string} */
+      defaultCWPriority: 'default' | 'parent' | 'defaultParent' | 'parentDefault';
     };
     UserDetailedNotMe: components['schemas']['UserLite'] & components['schemas']['UserDetailedNotMeOnly'];
     MeDetailed: components['schemas']['UserLite'] & components['schemas']['UserDetailedNotMeOnly'] & components['schemas']['MeDetailedOnly'];
@@ -22777,6 +22780,9 @@ export type operations = {
           };
           emailNotificationTypes?: string[];
           alsoKnownAs?: string[];
+          defaultCW?: string | null;
+          /** @enum {string} */
+          defaultCWPriority?: 'default' | 'parent' | 'defaultParent' | 'parentDefault';
         };
       };
     };