diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd356918715b..bb339ff26f2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 ## 202x.x.x (unreleased)
 
 ### General
+- 通知がミュート、凍結を考慮するようになりました
 - Enhance: サーバーごとにモデレーションノートを残せるように
 - Enhance: コンディショナルロールの条件に「マニュアルロールへのアサイン」を追加
 - Enhance: 通知の受信設定に「フォロー中またはフォロワー」を追加
@@ -30,6 +31,8 @@
 
 ### Server
 - Fix: nodeinfoにenableMcaptchaとenableTurnstileが無いのを修正
+- Fix: 破損した通知をクライアントに送信しないように
+	* 通知欄が無限にリロードされる問題が改善する可能性があります
 - エンドポイント`flash/update`の`flashId`以外のパラメータは必須ではなくなりました
 - Fix: 禁止キーワードを含むノートがDelayed Queueに追加されて再処理される問題を修正
 - Fix: 自分がフォローしていないアカウントのフォロワー限定ノートが閲覧できることがある問題を修正
diff --git a/packages/backend/src/core/NotificationService.ts b/packages/backend/src/core/NotificationService.ts
index 7224341991c4..af5755f88bd7 100644
--- a/packages/backend/src/core/NotificationService.ts
+++ b/packages/backend/src/core/NotificationService.ts
@@ -163,6 +163,8 @@ export class NotificationService implements OnApplicationShutdown {
 
 		const packed = await this.notificationEntityService.pack(notification, notifieeId, {});
 
+		if (packed == null) return null;
+
 		// Publish notification event
 		this.globalEventService.publishMainStream(notifieeId, 'notification', packed);
 
diff --git a/packages/backend/src/core/entities/NotificationEntityService.ts b/packages/backend/src/core/entities/NotificationEntityService.ts
index 0663898edbd5..94d56c883bfb 100644
--- a/packages/backend/src/core/entities/NotificationEntityService.ts
+++ b/packages/backend/src/core/entities/NotificationEntityService.ts
@@ -14,14 +14,14 @@ import type { MiNote } from '@/models/Note.js';
 import type { Packed } from '@/misc/json-schema.js';
 import { bindThis } from '@/decorators.js';
 import { isNotNull } from '@/misc/is-not-null.js';
-import { FilterUnionByProperty, notificationTypes } from '@/types.js';
+import { FilterUnionByProperty, groupedNotificationTypes } from '@/types.js';
+import { CacheService } from '@/core/CacheService.js';
 import { RoleEntityService } from './RoleEntityService.js';
 import type { OnModuleInit } from '@nestjs/common';
 import type { UserEntityService } from './UserEntityService.js';
 import type { NoteEntityService } from './NoteEntityService.js';
 
-const NOTE_REQUIRED_NOTIFICATION_TYPES = new Set(['note', 'mention', 'reply', 'renote', 'quote', 'reaction', 'pollEnded'] as (typeof notificationTypes[number])[]);
-const NOTE_REQUIRED_GROUPED_NOTIFICATION_TYPES = new Set(['note', 'mention', 'reply', 'renote', 'renote:grouped', 'quote', 'reaction', 'reaction:grouped', 'pollEnded']);
+const NOTE_REQUIRED_NOTIFICATION_TYPES = new Set(['note', 'mention', 'reply', 'renote', 'renote:grouped', 'quote', 'reaction', 'reaction:grouped', 'pollEnded'] as (typeof groupedNotificationTypes[number])[]);
 
 @Injectable()
 export class NotificationEntityService implements OnModuleInit {
@@ -41,6 +41,8 @@ export class NotificationEntityService implements OnModuleInit {
 		@Inject(DI.followRequestsRepository)
 		private followRequestsRepository: FollowRequestsRepository,
 
+		private cacheService: CacheService,
+
 		//private userEntityService: UserEntityService,
 		//private noteEntityService: NoteEntityService,
 	) {
@@ -52,130 +54,48 @@ export class NotificationEntityService implements OnModuleInit {
 		this.roleEntityService = this.moduleRef.get('RoleEntityService');
 	}
 
-	@bindThis
-	public async pack(
-		src: MiNotification,
+	/**
+	 * 通知をパックする共通処理
+	*/
+	async #packInternal <T extends MiNotification | MiGroupedNotification> (
+		src: T,
 		meId: MiUser['id'],
 		// eslint-disable-next-line @typescript-eslint/ban-types
 		options: {
-
+			checkValidNotifier?: boolean;
 		},
 		hint?: {
 			packedNotes: Map<MiNote['id'], Packed<'Note'>>;
 			packedUsers: Map<MiUser['id'], Packed<'UserLite'>>;
 		},
-	): Promise<Packed<'Notification'>> {
+	): Promise<Packed<'Notification'> | null> {
 		const notification = src;
-		const noteIfNeed = NOTE_REQUIRED_NOTIFICATION_TYPES.has(notification.type) && 'noteId' in notification ? (
-			hint?.packedNotes != null
-				? hint.packedNotes.get(notification.noteId)
-				: this.noteEntityService.pack(notification.noteId, { id: meId }, {
-					detail: true,
-				})
-		) : undefined;
-		const userIfNeed = 'notifierId' in notification ? (
-			hint?.packedUsers != null
-				? hint.packedUsers.get(notification.notifierId)
-				: this.userEntityService.pack(notification.notifierId, { id: meId })
-		) : undefined;
-		const role = notification.type === 'roleAssigned' ? await this.roleEntityService.pack(notification.roleId) : undefined;
-
-		return await awaitAll({
-			id: notification.id,
-			createdAt: new Date(notification.createdAt).toISOString(),
-			type: notification.type,
-			userId: 'notifierId' in notification ? notification.notifierId : undefined,
-			...(userIfNeed != null ? { user: userIfNeed } : {}),
-			...(noteIfNeed != null ? { note: noteIfNeed } : {}),
-			...(notification.type === 'reaction' ? {
-				reaction: notification.reaction,
-			} : {}),
-			...(notification.type === 'roleAssigned' ? {
-				role: role,
-			} : {}),
-			...(notification.type === 'achievementEarned' ? {
-				achievement: notification.achievement,
-			} : {}),
-			...(notification.type === 'app' ? {
-				body: notification.customBody,
-				header: notification.customHeader,
-				icon: notification.customIcon,
-			} : {}),
-		});
-	}
-
-	@bindThis
-	public async packMany(
-		notifications: MiNotification[],
-		meId: MiUser['id'],
-	) {
-		if (notifications.length === 0) return [];
-
-		let validNotifications = notifications;
-
-		const noteIds = validNotifications.map(x => 'noteId' in x ? x.noteId : null).filter(isNotNull);
-		const notes = noteIds.length > 0 ? await this.notesRepository.find({
-			where: { id: In(noteIds) },
-			relations: ['user', 'reply', 'reply.user', 'renote', 'renote.user'],
-		}) : [];
-		const packedNotesArray = await this.noteEntityService.packMany(notes, { id: meId }, {
-			detail: true,
-		});
-		const packedNotes = new Map(packedNotesArray.map(p => [p.id, p]));
 
-		validNotifications = validNotifications.filter(x => !('noteId' in x) || packedNotes.has(x.noteId));
+		if (options.checkValidNotifier !== false && !(await this.#isValidNotifier(notification, meId))) return null;
 
-		const userIds = validNotifications.map(x => 'notifierId' in x ? x.notifierId : null).filter(isNotNull);
-		const users = userIds.length > 0 ? await this.usersRepository.find({
-			where: { id: In(userIds) },
-		}) : [];
-		const packedUsersArray = await this.userEntityService.packMany(users, { id: meId });
-		const packedUsers = new Map(packedUsersArray.map(p => [p.id, p]));
-
-		// 既に解決されたフォローリクエストの通知を除外
-		const followRequestNotifications = validNotifications.filter((x): x is FilterUnionByProperty<MiGroupedNotification, 'type', 'receiveFollowRequest'> => x.type === 'receiveFollowRequest');
-		if (followRequestNotifications.length > 0) {
-			const reqs = await this.followRequestsRepository.find({
-				where: { followerId: In(followRequestNotifications.map(x => x.notifierId)) },
-			});
-			validNotifications = validNotifications.filter(x => (x.type !== 'receiveFollowRequest') || reqs.some(r => r.followerId === x.notifierId));
-		}
-
-		return await Promise.all(validNotifications.map(x => this.pack(x, meId, {}, {
-			packedNotes,
-			packedUsers,
-		})));
-	}
-
-	@bindThis
-	public async packGrouped(
-		src: MiGroupedNotification,
-		meId: MiUser['id'],
-		// eslint-disable-next-line @typescript-eslint/ban-types
-		options: {
-
-		},
-		hint?: {
-			packedNotes: Map<MiNote['id'], Packed<'Note'>>;
-			packedUsers: Map<MiUser['id'], Packed<'UserLite'>>;
-		},
-	): Promise<Packed<'Notification'>> {
-		const notification = src;
-		const noteIfNeed = NOTE_REQUIRED_GROUPED_NOTIFICATION_TYPES.has(notification.type) && 'noteId' in notification ? (
+		const needsNote = NOTE_REQUIRED_NOTIFICATION_TYPES.has(notification.type) && 'noteId' in notification;
+		const noteIfNeed = needsNote ? (
 			hint?.packedNotes != null
 				? hint.packedNotes.get(notification.noteId)
 				: this.noteEntityService.pack(notification.noteId, { id: meId }, {
 					detail: true,
 				})
 		) : undefined;
-		const userIfNeed = 'notifierId' in notification ? (
+		// if the note has been deleted, don't show this notification
+		if (needsNote && !noteIfNeed) return null;
+
+		const needsUser = 'notifierId' in notification;
+		const userIfNeed = needsUser ? (
 			hint?.packedUsers != null
 				? hint.packedUsers.get(notification.notifierId)
 				: this.userEntityService.pack(notification.notifierId, { id: meId })
 		) : undefined;
+		// if the user has been deleted, don't show this notification
+		if (needsUser && !userIfNeed) return null;
 
+		// #region Grouped notifications
 		if (notification.type === 'reaction:grouped') {
-			const reactions = await Promise.all(notification.reactions.map(async reaction => {
+			const reactions = (await Promise.all(notification.reactions.map(async reaction => {
 				const user = hint?.packedUsers != null
 					? hint.packedUsers.get(reaction.userId)!
 					: await this.userEntityService.pack(reaction.userId, { id: meId });
@@ -183,7 +103,12 @@ export class NotificationEntityService implements OnModuleInit {
 					user,
 					reaction: reaction.reaction,
 				};
-			}));
+			}))).filter(r => isNotNull(r.user));
+			// if all users have been deleted, don't show this notification
+			if (reactions.length === 0) {
+				return null;
+			}
+
 			return await awaitAll({
 				id: notification.id,
 				createdAt: new Date(notification.createdAt).toISOString(),
@@ -192,14 +117,19 @@ export class NotificationEntityService implements OnModuleInit {
 				reactions,
 			});
 		} else if (notification.type === 'renote:grouped') {
-			const users = await Promise.all(notification.userIds.map(userId => {
+			const users = (await Promise.all(notification.userIds.map(userId => {
 				const packedUser = hint?.packedUsers != null ? hint.packedUsers.get(userId) : null;
 				if (packedUser) {
 					return packedUser;
 				}
 
 				return this.userEntityService.pack(userId, { id: meId });
-			}));
+			}))).filter(isNotNull);
+			// if all users have been deleted, don't show this notification
+			if (users.length === 0) {
+				return null;
+			}
+
 			return await awaitAll({
 				id: notification.id,
 				createdAt: new Date(notification.createdAt).toISOString(),
@@ -208,8 +138,14 @@ export class NotificationEntityService implements OnModuleInit {
 				users,
 			});
 		}
+		// #endregion
 
-		const role = notification.type === 'roleAssigned' ? await this.roleEntityService.pack(notification.roleId) : undefined;
+		const needsRole = notification.type === 'roleAssigned';
+		const role = needsRole ? await this.roleEntityService.pack(notification.roleId) : undefined;
+		// if the role has been deleted, don't show this notification
+		if (needsRole && !role) {
+			return null;
+		}
 
 		return await awaitAll({
 			id: notification.id,
@@ -235,15 +171,16 @@ export class NotificationEntityService implements OnModuleInit {
 		});
 	}
 
-	@bindThis
-	public async packGroupedMany(
-		notifications: MiGroupedNotification[],
+	async #packManyInternal <T extends MiNotification | MiGroupedNotification>	(
+		notifications: T[],
 		meId: MiUser['id'],
-	) {
+	): Promise<T[]> {
 		if (notifications.length === 0) return [];
 
 		let validNotifications = notifications;
 
+		validNotifications = await this.#filterValidNotifier(validNotifications, meId);
+
 		const noteIds = validNotifications.map(x => 'noteId' in x ? x.noteId : null).filter(isNotNull);
 		const notes = noteIds.length > 0 ? await this.notesRepository.find({
 			where: { id: In(noteIds) },
@@ -269,7 +206,7 @@ export class NotificationEntityService implements OnModuleInit {
 		const packedUsers = new Map(packedUsersArray.map(p => [p.id, p]));
 
 		// 既に解決されたフォローリクエストの通知を除外
-		const followRequestNotifications = validNotifications.filter((x): x is FilterUnionByProperty<MiGroupedNotification, 'type', 'receiveFollowRequest'> => x.type === 'receiveFollowRequest');
+		const followRequestNotifications = validNotifications.filter((x): x is FilterUnionByProperty<T, 'type', 'receiveFollowRequest'> => x.type === 'receiveFollowRequest');
 		if (followRequestNotifications.length > 0) {
 			const reqs = await this.followRequestsRepository.find({
 				where: { followerId: In(followRequestNotifications.map(x => x.notifierId)) },
@@ -277,9 +214,107 @@ export class NotificationEntityService implements OnModuleInit {
 			validNotifications = validNotifications.filter(x => (x.type !== 'receiveFollowRequest') || reqs.some(r => r.followerId === x.notifierId));
 		}
 
-		return await Promise.all(validNotifications.map(x => this.packGrouped(x, meId, {}, {
-			packedNotes,
-			packedUsers,
-		})));
+		const packPromises = validNotifications.map(x => {
+			return this.pack(
+				x,
+				meId,
+				{ checkValidNotifier: false },
+				{ packedNotes, packedUsers },
+			);
+		});
+
+		return (await Promise.all(packPromises)).filter(isNotNull);
+	}
+
+	@bindThis
+	public async pack(
+		src: MiNotification | MiGroupedNotification,
+		meId: MiUser['id'],
+		// eslint-disable-next-line @typescript-eslint/ban-types
+		options: {
+			checkValidNotifier?: boolean;
+		},
+		hint?: {
+			packedNotes: Map<MiNote['id'], Packed<'Note'>>;
+			packedUsers: Map<MiUser['id'], Packed<'UserLite'>>;
+		},
+	): Promise<Packed<'Notification'> | null> {
+		return await this.#packInternal(src, meId, options, hint);
+	}
+
+	@bindThis
+	public async packMany(
+		notifications: MiNotification[],
+		meId: MiUser['id'],
+	): Promise<MiNotification[]> {
+		return await this.#packManyInternal(notifications, meId);
+	}
+
+	@bindThis
+	public async packGroupedMany(
+		notifications: MiGroupedNotification[],
+		meId: MiUser['id'],
+	): Promise<MiGroupedNotification[]> {
+		return await this.#packManyInternal(notifications, meId);
+	}
+
+	/**
+	 * notifierが存在するか、ミュートされていないか、サスペンドされていないかを確認するvalidator
+	 */
+	#validateNotifier <T extends MiNotification | MiGroupedNotification> (
+		notification: T,
+		userIdsWhoMeMuting: Set<MiUser['id']>,
+		userMutedInstances: Set<string>,
+		notifiers: MiUser[],
+	): boolean {
+		if (!('notifierId' in notification)) return true;
+		if (userIdsWhoMeMuting.has(notification.notifierId)) return false;
+
+		const notifier = notifiers.find(x => x.id === notification.notifierId) ?? null;
+
+		if (notifier == null) return false;
+		if (notifier.host && userMutedInstances.has(notifier.host)) return false;
+
+		if (notifier.isSuspended) return false;
+
+		return true;
+	}
+
+	/**
+	 * notifierが存在するか、ミュートされていないか、サスペンドされていないかを実際に確認する
+	 */
+	async #isValidNotifier(
+		notification: MiNotification | MiGroupedNotification,
+		meId: MiUser['id'],
+	): Promise<boolean> {
+		return (await this.#filterValidNotifier([notification], meId)).length === 1;
+	}
+
+	/**
+	 * notifierが存在するか、ミュートされていないか、サスペンドされていないかを実際に複数確認する
+	 */
+	async #filterValidNotifier <T extends MiNotification | MiGroupedNotification> (
+		notifications: T[],
+		meId: MiUser['id'],
+	): Promise<T[]> {
+		const [
+			userIdsWhoMeMuting,
+			userMutedInstances,
+		] = await Promise.all([
+			this.cacheService.userMutingsCache.fetch(meId),
+			this.cacheService.userProfileCache.fetch(meId).then(p => new Set(p.mutedInstances)),
+		]);
+
+		const notifierIds = notifications.map(notification => 'notifierId' in notification ? notification.notifierId : null).filter(isNotNull);
+		const notifiers = notifierIds.length > 0 ? await this.usersRepository.find({
+			where: { id: In(notifierIds) },
+		}) : [];
+
+		const filteredNotifications = ((await Promise.all(notifications.map(async (notification) => {
+			const isValid = this.#validateNotifier(notification, userIdsWhoMeMuting, userMutedInstances, notifiers);
+			return isValid ? notification : null;
+		}))) as [T | null] ).filter(isNotNull);
+
+		return filteredNotifications;
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts b/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts
index 703808d2792a..dc6ffd3e02e2 100644
--- a/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts
+++ b/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts
@@ -3,11 +3,11 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { Brackets, In } from 'typeorm';
+import { 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 { obsoleteNotificationTypes, groupedNotificationTypes, 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';
@@ -48,10 +48,10 @@ export const paramDef = {
 		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],
+			type: 'string', enum: [...groupedNotificationTypes, ...obsoleteNotificationTypes],
 		} },
 		excludeTypes: { type: 'array', items: {
-			type: 'string', enum: [...notificationTypes, ...obsoleteNotificationTypes],
+			type: 'string', enum: [...groupedNotificationTypes, ...obsoleteNotificationTypes],
 		} },
 	},
 	required: [],
@@ -79,12 +79,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				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))) {
+			if (groupedNotificationTypes.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 includeTypes = ps.includeTypes && ps.includeTypes.filter(type => !(obsoleteNotificationTypes).includes(type as any)) as typeof groupedNotificationTypes[number][];
+			const excludeTypes = ps.excludeTypes && ps.excludeTypes.filter(type => !(obsoleteNotificationTypes).includes(type as any)) as typeof groupedNotificationTypes[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(
@@ -162,7 +162,6 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			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!);
diff --git a/packages/backend/src/server/api/endpoints/i/notifications.ts b/packages/backend/src/server/api/endpoints/i/notifications.ts
index 52b6749e3fa0..320d9fdb0039 100644
--- a/packages/backend/src/server/api/endpoints/i/notifications.ts
+++ b/packages/backend/src/server/api/endpoints/i/notifications.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { Brackets, In } from 'typeorm';
+import { In } from 'typeorm';
 import * as Redis from 'ioredis';
 import { Inject, Injectable } from '@nestjs/common';
 import type { NotesRepository } from '@/models/_.js';
diff --git a/packages/backend/src/types.ts b/packages/backend/src/types.ts
index 506a755cc4c6..d894ef730e25 100644
--- a/packages/backend/src/types.ts
+++ b/packages/backend/src/types.ts
@@ -18,6 +18,7 @@
  * achievementEarned - 実績を獲得
  * app - アプリ通知
  * test - テスト通知（サーバー側）
+ *
  */
 export const notificationTypes = [
 	'note',
@@ -33,7 +34,15 @@ export const notificationTypes = [
 	'roleAssigned',
 	'achievementEarned',
 	'app',
-	'test'] as const;
+	'test',
+] as const;
+
+export const groupedNotificationTypes = [
+	...notificationTypes,
+	'reaction:grouped',
+	'renote:grouped',
+] as const;
+
 export const obsoleteNotificationTypes = ['pollVote', 'groupInvited'] as const;
 
 export const noteVisibilities = ['public', 'home', 'followers', 'specified'] as const;
diff --git a/packages/backend/test/e2e/mute.ts b/packages/backend/test/e2e/mute.ts
index e63067cd62ad..1e4225184af4 100644
--- a/packages/backend/test/e2e/mute.ts
+++ b/packages/backend/test/e2e/mute.ts
@@ -117,5 +117,184 @@ describe('Mute', () => {
 			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
 			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
 		});
+		test('通知にミュートしているユーザーからのリプライが含まれない', async () => {
+			const aliceNote = await post(alice, { text: 'hi' });
+			await post(bob, { text: '@alice hi', replyId: aliceNote.id });
+			await post(carol, { text: '@alice hi', replyId: aliceNote.id });
+
+			const res = await api('/i/notifications', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからのリプライが含まれない', async () => {
+			await post(alice, { text: 'hi' });
+			await post(bob, { text: '@alice hi' });
+			await post(carol, { text: '@alice hi' });
+
+			const res = await api('/i/notifications', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからの引用リノートが含まれない', async () => {
+			const aliceNote = await post(alice, { text: 'hi' });
+			await post(bob, { text: 'hi', renoteId: aliceNote.id });
+			await post(carol, { text: 'hi', renoteId: aliceNote.id });
+
+			const res = await api('/i/notifications', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからのリノートが含まれない', async () => {
+			const aliceNote = await post(alice, { text: 'hi' });
+			await post(bob, { renoteId: aliceNote.id });
+			await post(carol, { renoteId: aliceNote.id });
+
+			const res = await api('/i/notifications', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからのフォロー通知が含まれない', async () => {
+			await api('/i/follow', { userId: alice.id }, bob);
+			await api('/i/follow', { userId: alice.id }, carol);
+
+			const res = await api('/i/notifications', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからのフォローリクエストが含まれない', async () => {
+			await api('/i/update/', { isLocked: true }, alice);
+			await api('/following/create', { userId: alice.id }, bob);
+			await api('/following/create', { userId: alice.id }, carol);
+
+			const res = await api('/i/notifications', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+	});
+
+	describe('Notification (Grouped)', () => {
+		test('通知にミュートしているユーザーの通知が含まれない(リアクション)', async () => {
+			const aliceNote = await post(alice, { text: 'hi' });
+			await react(bob, aliceNote, 'like');
+			await react(carol, aliceNote, 'like');
+
+			const res = await api('/i/notifications-grouped', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+		test('通知にミュートしているユーザーからのリプライが含まれない', async () => {
+			const aliceNote = await post(alice, { text: 'hi' });
+			await post(bob, { text: '@alice hi', replyId: aliceNote.id });
+			await post(carol, { text: '@alice hi', replyId: aliceNote.id });
+
+			const res = await api('/i/notifications-grouped', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからのリプライが含まれない', async () => {
+			await post(alice, { text: 'hi' });
+			await post(bob, { text: '@alice hi' });
+			await post(carol, { text: '@alice hi' });
+
+			const res = await api('/i/notifications-grouped', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからの引用リノートが含まれない', async () => {
+			const aliceNote = await post(alice, { text: 'hi' });
+			await post(bob, { text: 'hi', renoteId: aliceNote.id });
+			await post(carol, { text: 'hi', renoteId: aliceNote.id });
+
+			const res = await api('/i/notifications-grouped', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからのリノートが含まれない', async () => {
+			const aliceNote = await post(alice, { text: 'hi' });
+			await post(bob, { renoteId: aliceNote.id });
+			await post(carol, { renoteId: aliceNote.id });
+
+			const res = await api('/i/notifications-grouped', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからのフォロー通知が含まれない', async () => {
+			await api('/i/follow', { userId: alice.id }, bob);
+			await api('/i/follow', { userId: alice.id }, carol);
+
+			const res = await api('/i/notifications-grouped', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
+
+		test('通知にミュートしているユーザーからのフォローリクエストが含まれない', async () => {
+			await api('/i/update/', { isLocked: true }, alice);
+			await api('/following/create', { userId: alice.id }, bob);
+			await api('/following/create', { userId: alice.id }, carol);
+
+			const res = await api('/i/notifications-grouped', {}, alice);
+
+			assert.strictEqual(res.status, 200);
+			assert.strictEqual(Array.isArray(res.body), true);
+
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === bob.id), true);
+			assert.strictEqual(res.body.some((notification: any) => notification.userId === carol.id), false);
+		});
 	});
 });
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index a3597e4635b7..9a2ff7487fdf 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -17687,8 +17687,8 @@ export type operations = {
           untilId?: string;
           /** @default true */
           markAsRead?: boolean;
-          includeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'app' | 'test' | 'pollVote' | 'groupInvited')[];
-          excludeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'app' | 'test' | 'pollVote' | 'groupInvited')[];
+          includeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'app' | 'test' | 'reaction:grouped' | 'renote:grouped' | 'pollVote' | 'groupInvited')[];
+          excludeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'roleAssigned' | 'achievementEarned' | 'app' | 'test' | 'reaction:grouped' | 'renote:grouped' | 'pollVote' | 'groupInvited')[];
         };
       };
     };