diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95c35f58db..ae6ae26167 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,16 +15,16 @@
 - Fix: テーマプレビューが見れない問題を修正
 
 ### Server
-- チャート生成時にinstance.suspentionStateに置き換えられたinstance.isSuspendedが参照されてしまう問題を修正
 - Feat: レートリミット制限に引っかかったときに`Retry-After`ヘッダーを返すように (#13949)
-- Fix: ユーザーのフィードページのMFMをHTMLに展開するように (#14006)
-- Fix: アンテナ・クリップ・リスト・ウェブフックがロールポリシーの上限より一つ多く作れてしまうのを修正 (#14036)
 - Enhance: エンドポイント`clips/update`の必須項目を`clipId`のみに
 - Enhance: エンドポイント`admin/roles/update`の必須項目を`roleId`のみに
 - Enhance: エンドポイント`pages/update`の必須項目を`pageId`のみに
 - Enhance: エンドポイント`gallery/posts/update`の必須項目を`postId`のみに
 - Enhance: エンドポイント`i/webhook/update`の必須項目を`webhookId`のみに
 - Enhance: エンドポイント`admin/ad/update`の必須項目を`id`のみに
+- Fix: チャート生成時にinstance.suspentionStateに置き換えられたinstance.isSuspendedが参照されてしまう問題を修正
+- Fix: ユーザーのフィードページのMFMをHTMLに展開するように (#14006)
+- Fix: アンテナ・クリップ・リスト・ウェブフックがロールポリシーの上限より一つ多く作れてしまうのを修正 (#14036)
 - Fix: notRespondingSinceが実装される前に不通になったインスタンスが自動的に配信停止にならない (#14059)
 - Fix: FTT有効時、タイムライン用エンドポイントで`sinceId`にキャッシュ内最古のものより古いものを指定した場合に正しく結果が返ってこない問題を修正
 - Fix: 自分以外のクリップ内のノート個数が見えることがあるのを修正
diff --git a/packages/backend/src/core/MfmService.ts b/packages/backend/src/core/MfmService.ts
index 9786f8b8bb..74536c68f5 100644
--- a/packages/backend/src/core/MfmService.ts
+++ b/packages/backend/src/core/MfmService.ts
@@ -13,10 +13,12 @@ import { intersperse } from '@/misc/prelude/array.js';
 import { normalizeForSearch } from '@/misc/normalize-for-search.js';
 import type { IMentionedRemoteUsers } from '@/models/Note.js';
 import { bindThis } from '@/decorators.js';
-import * as TreeAdapter from '../../node_modules/parse5/dist/tree-adapters/default.js';
+import type { DefaultTreeAdapterMap } from 'parse5';
 import type * as mfm from 'mfm-js';
 
-const treeAdapter = TreeAdapter.defaultTreeAdapter;
+const treeAdapter = parse5.defaultTreeAdapter;
+type Node = DefaultTreeAdapterMap['node'];
+type ChildNode = DefaultTreeAdapterMap['childNode'];
 
 const urlRegex = /^https?:\/\/[\w\/:%#@$&?!()\[\]~.,=+\-]+/;
 const urlRegexFull = /^https?:\/\/[\w\/:%#@$&?!()\[\]~.,=+\-]+$/;
@@ -46,7 +48,7 @@ export class MfmService {
 
 		return text.trim();
 
-		function getText(node: TreeAdapter.Node): string {
+		function getText(node: Node): string {
 			if (treeAdapter.isTextNode(node)) return node.value;
 			if (!treeAdapter.isElementNode(node)) return '';
 			if (node.nodeName === 'br') return '\n';
@@ -58,7 +60,7 @@ export class MfmService {
 			return '';
 		}
 
-		function appendChildren(childNodes: TreeAdapter.ChildNode[]): void {
+		function appendChildren(childNodes: ChildNode[]): void {
 			if (childNodes) {
 				for (const n of childNodes) {
 					analyze(n);
@@ -66,14 +68,16 @@ export class MfmService {
 			}
 		}
 
-		function analyze(node: TreeAdapter.Node) {
+		function analyze(node: Node) {
 			if (treeAdapter.isTextNode(node)) {
 				text += node.value;
 				return;
 			}
 
 			// Skip comment or document type node
-			if (!treeAdapter.isElementNode(node)) return;
+			if (!treeAdapter.isElementNode(node)) {
+				return;
+			}
 
 			switch (node.nodeName) {
 				case 'br': {
@@ -81,8 +85,7 @@ export class MfmService {
 					break;
 				}
 
-				case 'a':
-				{
+				case 'a': {
 					const txt = getText(node);
 					const rel = node.attrs.find(x => x.name === 'rel');
 					const href = node.attrs.find(x => x.name === 'href');
@@ -90,7 +93,7 @@ export class MfmService {
 					// ハッシュタグ
 					if (normalizedHashtagNames && href && normalizedHashtagNames.has(normalizeForSearch(txt))) {
 						text += txt;
-					// メンション
+						// メンション
 					} else if (txt.startsWith('@') && !(rel && rel.value.startsWith('me '))) {
 						const part = txt.split('@');
 
@@ -102,7 +105,7 @@ export class MfmService {
 						} else if (part.length === 3) {
 							text += txt;
 						}
-					// その他
+						// その他
 					} else {
 						const generateLink = () => {
 							if (!href && !txt) {
@@ -130,8 +133,7 @@ export class MfmService {
 					break;
 				}
 
-				case 'h1':
-				{
+				case 'h1': {
 					text += '【';
 					appendChildren(node.childNodes);
 					text += '】\n';
@@ -139,16 +141,14 @@ export class MfmService {
 				}
 
 				case 'b':
-				case 'strong':
-				{
+				case 'strong': {
 					text += '**';
 					appendChildren(node.childNodes);
 					text += '**';
 					break;
 				}
 
-				case 'small':
-				{
+				case 'small': {
 					text += '<small>';
 					appendChildren(node.childNodes);
 					text += '</small>';
@@ -156,8 +156,7 @@ export class MfmService {
 				}
 
 				case 's':
-				case 'del':
-				{
+				case 'del': {
 					text += '~~';
 					appendChildren(node.childNodes);
 					text += '~~';
@@ -165,8 +164,7 @@ export class MfmService {
 				}
 
 				case 'i':
-				case 'em':
-				{
+				case 'em': {
 					text += '<i>';
 					appendChildren(node.childNodes);
 					text += '</i>';
@@ -207,8 +205,7 @@ export class MfmService {
 				case 'h3':
 				case 'h4':
 				case 'h5':
-				case 'h6':
-				{
+				case 'h6': {
 					text += '\n\n';
 					appendChildren(node.childNodes);
 					break;
@@ -221,8 +218,7 @@ export class MfmService {
 				case 'article':
 				case 'li':
 				case 'dt':
-				case 'dd':
-				{
+				case 'dd': {
 					text += '\n';
 					appendChildren(node.childNodes);
 					break;
diff --git a/packages/backend/src/server/web/boot.js b/packages/backend/src/server/web/boot.js
index 396536948e..4275dc9527 100644
--- a/packages/backend/src/server/web/boot.js
+++ b/packages/backend/src/server/web/boot.js
@@ -29,7 +29,8 @@
 
 	let forceError = localStorage.getItem('forceError');
 	if (forceError != null) {
-		renderError('FORCED_ERROR', 'This error is forced by having forceError in local storage.')
+		renderError('FORCED_ERROR', 'This error is forced by having forceError in local storage.');
+		return;
 	}
 
 	//#region Detect language & fetch translations
@@ -155,7 +156,12 @@
 		document.head.appendChild(css);
 	}
 
-	function renderError(code, details) {
+	async function renderError(code, details) {
+		// Cannot set property 'innerHTML' of null を回避
+		if (document.readyState === 'loading') {
+			await new Promise(resolve => window.addEventListener('DOMContentLoaded', resolve));
+		}
+
 		let errorsElement = document.getElementById('errors');
 
 		if (!errorsElement) {
@@ -314,6 +320,6 @@
 			#errorInfo {
 				width: 50%;
 			}
-		`)
+		}`)
 	}
 })();
diff --git a/packages/frontend/.storybook/changes.ts b/packages/frontend/.storybook/changes.ts
index 7c70972e1e..bc7601441c 100644
--- a/packages/frontend/.storybook/changes.ts
+++ b/packages/frontend/.storybook/changes.ts
@@ -47,7 +47,6 @@ await fs.readFile(
 				)
 			)
 			.map((path) => path.replace(/(?:(?<=\.stories)\.(?:impl|meta)|\.msw)(?=\.ts$)/g, ''))
-			.map((path) => (path.startsWith('.') ? path : `./${path}`))
 	);
 	if (
 		micromatch(Array.from(modules), [
diff --git a/packages/frontend/src/account.ts b/packages/frontend/src/account.ts
index f99b550a83..4172016f89 100644
--- a/packages/frontend/src/account.ts
+++ b/packages/frontend/src/account.ts
@@ -184,10 +184,12 @@ export async function refreshAccount() {
 
 export async function login(token: Account['token'], redirect?: string) {
 	const showing = ref(true);
-	popup(defineAsyncComponent(() => import('@/components/MkWaitingDialog.vue')), {
+	const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkWaitingDialog.vue')), {
 		success: false,
 		showing: showing,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 	if (_DEV_) console.log('logging as token ', token);
 	const me = await fetchAccount(token, undefined, true)
 		.catch(reason => {
@@ -223,21 +225,23 @@ export async function openAccountMenu(opts: {
 	if (!$i) return;
 
 	function showSigninDialog() {
-		popup(defineAsyncComponent(() => import('@/components/MkSigninDialog.vue')), {}, {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkSigninDialog.vue')), {}, {
 			done: res => {
 				addAccount(res.id, res.i);
 				success();
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	}
 
 	function createAccount() {
-		popup(defineAsyncComponent(() => import('@/components/MkSignupDialog.vue')), {}, {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkSignupDialog.vue')), {}, {
 			done: res => {
 				addAccount(res.id, res.i);
 				switchAccountWithToken(res.i);
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	}
 
 	async function switchAccount(account: Misskey.entities.UserDetailed) {
diff --git a/packages/frontend/src/boot/main-boot.ts b/packages/frontend/src/boot/main-boot.ts
index 5cb19f388a..faf230a1a2 100644
--- a/packages/frontend/src/boot/main-boot.ts
+++ b/packages/frontend/src/boot/main-boot.ts
@@ -35,7 +35,9 @@ export async function mainBoot() {
 	emojiPicker.init();
 
 	if (isClientUpdated && $i) {
-		popup(defineAsyncComponent(() => import('@/components/MkUpdated.vue')), {}, {}, 'closed');
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkUpdated.vue')), {}, {
+			closed: () => dispose(),
+		});
 	}
 
 	const stream = useStream();
@@ -96,7 +98,7 @@ export async function mainBoot() {
 					}).render();
 				}
 			}
-		}	
+		}
 	} catch (error) {
 		// console.error(error);
 		console.error('Failed to initialise the seasonal screen effect canvas context:', error);
@@ -108,22 +110,28 @@ export async function mainBoot() {
 
 		defaultStore.loaded.then(() => {
 			if (defaultStore.state.accountSetupWizard !== -1) {
-				popup(defineAsyncComponent(() => import('@/components/MkUserSetupDialog.vue')), {}, {}, 'closed');
+				const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkUserSetupDialog.vue')), {}, {
+					closed: () => dispose(),
+				});
 			}
 		});
 
 		for (const announcement of ($i.unreadAnnouncements ?? []).filter(x => x.display === 'dialog')) {
-			popup(defineAsyncComponent(() => import('@/components/MkAnnouncementDialog.vue')), {
+			const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkAnnouncementDialog.vue')), {
 				announcement,
-			}, {}, 'closed');
+			}, {
+				closed: () => dispose(),
+			});
 		}
 
 		stream.on('announcementCreated', (ev) => {
 			const announcement = ev.announcement;
 			if (announcement.display === 'dialog') {
-				popup(defineAsyncComponent(() => import('@/components/MkAnnouncementDialog.vue')), {
+				const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkAnnouncementDialog.vue')), {
 					announcement,
-				}, {}, 'closed');
+				}, {
+					closed: () => dispose(),
+				});
 			}
 		});
 
@@ -247,13 +255,17 @@ export async function mainBoot() {
 		const neverShowDonationInfo = miLocalStorage.getItem('neverShowDonationInfo');
 		if (neverShowDonationInfo !== 'true' && (createdAt.getTime() < (Date.now() - (1000 * 60 * 60 * 24 * 3))) && !location.pathname.startsWith('/miauth')) {
 			if (latestDonationInfoShownAt == null || (new Date(latestDonationInfoShownAt).getTime() < (Date.now() - (1000 * 60 * 60 * 24 * 30)))) {
-				popup(defineAsyncComponent(() => import('@/components/MkDonation.vue')), {}, {}, 'closed');
+				const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkDonation.vue')), {}, {
+					closed: () => dispose(),
+				});
 			}
 		}
 
 		const modifiedVersionMustProminentlyOfferInAgplV3Section13Read = miLocalStorage.getItem('modifiedVersionMustProminentlyOfferInAgplV3Section13Read');
 		if (modifiedVersionMustProminentlyOfferInAgplV3Section13Read !== 'true' && instance.repositoryUrl !== 'https://github.com/misskey-dev/misskey') {
-			popup(defineAsyncComponent(() => import('@/components/MkSourceCodeAvailablePopup.vue')), {}, {}, 'closed');
+			const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkSourceCodeAvailablePopup.vue')), {}, {
+				closed: () => dispose(),
+			});
 		}
 
 		if ('Notification' in window) {
diff --git a/packages/frontend/src/components/MkClickerGame.vue b/packages/frontend/src/components/MkClickerGame.vue
index b592609e18..00506fb735 100644
--- a/packages/frontend/src/components/MkClickerGame.vue
+++ b/packages/frontend/src/components/MkClickerGame.vue
@@ -35,7 +35,9 @@ const prevCookies = ref(0);
 function onClick(ev: MouseEvent) {
 	const x = ev.clientX;
 	const y = ev.clientY;
-	os.popup(MkPlusOneEffect, { x, y }, {}, 'end');
+	const { dispose } = os.popup(MkPlusOneEffect, { x, y }, {
+		end: () => dispose(),
+	});
 
 	saveData.value!.cookies++;
 	saveData.value!.totalCookies++;
diff --git a/packages/frontend/src/components/MkDrive.folder.vue b/packages/frontend/src/components/MkDrive.folder.vue
index 8da0d78f35..1cc8b15b73 100644
--- a/packages/frontend/src/components/MkDrive.folder.vue
+++ b/packages/frontend/src/components/MkDrive.folder.vue
@@ -257,10 +257,11 @@ function onContextmenu(ev: MouseEvent) {
 		text: i18n.ts.openInWindow,
 		icon: 'ti ti-app-window',
 		action: () => {
-			os.popup(defineAsyncComponent(() => import('@/components/MkDriveWindow.vue')), {
+			const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkDriveWindow.vue')), {
 				initialFolder: props.folder,
 			}, {
-			}, 'closed');
+				closed: () => dispose(),
+			});
 		},
 	}, { type: 'divider' }, {
 		text: i18n.ts.rename,
diff --git a/packages/frontend/src/components/MkEmojiPicker.vue b/packages/frontend/src/components/MkEmojiPicker.vue
index 8a6bef54d8..4bd4bee1e5 100644
--- a/packages/frontend/src/components/MkEmojiPicker.vue
+++ b/packages/frontend/src/components/MkEmojiPicker.vue
@@ -402,7 +402,9 @@ function chosen(emoji: any, ev?: MouseEvent) {
 		const rect = el.getBoundingClientRect();
 		const x = rect.left + (el.offsetWidth / 2);
 		const y = rect.top + (el.offsetHeight / 2);
-		os.popup(MkRippleEffect, { x, y }, {}, 'end');
+		const { dispose } = os.popup(MkRippleEffect, { x, y }, {
+			end: () => dispose(),
+		});
 	}
 
 	const key = getKey(emoji);
diff --git a/packages/frontend/src/components/MkLink.vue b/packages/frontend/src/components/MkLink.vue
index 5d54a58e97..e842ec2d6e 100644
--- a/packages/frontend/src/components/MkLink.vue
+++ b/packages/frontend/src/components/MkLink.vue
@@ -37,11 +37,13 @@ const el = ref<HTMLElement | { $el: HTMLElement }>();
 
 if (isEnabledUrlPreview.value) {
 	useTooltip(el, (showing) => {
-		os.popup(defineAsyncComponent(() => import('@/components/MkUrlPreviewPopup.vue')), {
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkUrlPreviewPopup.vue')), {
 			showing,
 			url: props.url,
 			source: el.value instanceof HTMLElement ? el.value : el.value?.$el,
-		}, {}, 'closed');
+		}, {
+			closed: () => dispose(),
+		});
 	});
 }
 </script>
diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index 22b1691a86..1313e4c58e 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -335,12 +335,14 @@ if (!props.mock) {
 
 		if (users.length < 1) return;
 
-		os.popup(MkUsersTooltip, {
+		const { dispose } = os.popup(MkUsersTooltip, {
 			showing,
 			users,
 			count: appearNote.value.renoteCount,
 			targetElement: renoteButton.value,
-		}, {}, 'closed');
+		}, {
+			closed: () => dispose(),
+		});
 	});
 
 	if (appearNote.value.reactionAcceptance === 'likeOnly') {
@@ -355,13 +357,15 @@ if (!props.mock) {
 
 			if (users.length < 1) return;
 
-			os.popup(MkReactionsViewerDetails, {
+			const { dispose } = os.popup(MkReactionsViewerDetails, {
 				showing,
 				reaction: '❤️',
 				users,
 				count: appearNote.value.reactionCount,
 				targetElement: reactButton.value!,
-			}, {}, 'closed');
+			}, {
+				closed: () => dispose(),
+			});
 		});
 	}
 }
@@ -409,7 +413,9 @@ function react(viaKeyboard = false): void {
 			const rect = el.getBoundingClientRect();
 			const x = rect.left + (el.offsetWidth / 2);
 			const y = rect.top + (el.offsetHeight / 2);
-			os.popup(MkRippleEffect, { x, y }, {}, 'end');
+			const { dispose } = os.popup(MkRippleEffect, { x, y }, {
+				end: () => dispose(),
+			});
 		}
 	} else {
 		blur();
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index ed1c0a9e96..bc1f416373 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -346,12 +346,14 @@ useTooltip(renoteButton, async (showing) => {
 
 	if (users.length < 1) return;
 
-	os.popup(MkUsersTooltip, {
+	const { dispose } = os.popup(MkUsersTooltip, {
 		showing,
 		users,
 		count: appearNote.value.renoteCount,
 		targetElement: renoteButton.value,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 });
 
 if (appearNote.value.reactionAcceptance === 'likeOnly') {
@@ -366,13 +368,15 @@ if (appearNote.value.reactionAcceptance === 'likeOnly') {
 
 		if (users.length < 1) return;
 
-		os.popup(MkReactionsViewerDetails, {
+		const { dispose } = os.popup(MkReactionsViewerDetails, {
 			showing,
 			reaction: '❤️',
 			users,
 			count: appearNote.value.reactionCount,
 			targetElement: reactButton.value!,
-		}, {}, 'closed');
+		}, {
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -413,7 +417,9 @@ function react(viaKeyboard = false): void {
 			const rect = el.getBoundingClientRect();
 			const x = rect.left + (el.offsetWidth / 2);
 			const y = rect.top + (el.offsetHeight / 2);
-			os.popup(MkRippleEffect, { x, y }, {}, 'end');
+			const { dispose } = os.popup(MkRippleEffect, { x, y }, {
+				end: () => dispose(),
+			});
 		}
 	} else {
 		blur();
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 1df9007681..0dc1aa0891 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -463,7 +463,7 @@ function setVisibility() {
 		return;
 	}
 
-	os.popup(defineAsyncComponent(() => import('@/components/MkVisibilityPicker.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkVisibilityPicker.vue')), {
 		currentVisibility: visibility.value,
 		isSilenced: $i.isSilenced,
 		localOnly: localOnly.value,
@@ -476,7 +476,8 @@ function setVisibility() {
 				defaultStore.set('visibility', visibility.value);
 			}
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 async function toggleLocalOnly() {
@@ -624,8 +625,8 @@ async function onPaste(ev: ClipboardEvent) {
 				return;
 			}
 
-			const fileName = formatTimeString(new Date(), defaultStore.state.pastedFileName).replace(/{{number}}/g, "0");
-			const file = new File([paste], `${fileName}.txt`, { type: "text/plain" });
+			const fileName = formatTimeString(new Date(), defaultStore.state.pastedFileName).replace(/{{number}}/g, '0');
+			const file = new File([paste], `${fileName}.txt`, { type: 'text/plain' });
 			upload(file, `${fileName}.txt`);
 		});
 	}
@@ -731,7 +732,9 @@ async function post(ev?: MouseEvent) {
 			const rect = el.getBoundingClientRect();
 			const x = rect.left + (el.offsetWidth / 2);
 			const y = rect.top + (el.offsetHeight / 2);
-			os.popup(MkRippleEffect, { x, y }, {}, 'end');
+			const { dispose } = os.popup(MkRippleEffect, { x, y }, {
+				end: () => dispose(),
+			});
 		}
 	}
 
diff --git a/packages/frontend/src/components/MkPostFormAttaches.vue b/packages/frontend/src/components/MkPostFormAttaches.vue
index 95eb367318..8854babb6b 100644
--- a/packages/frontend/src/components/MkPostFormAttaches.vue
+++ b/packages/frontend/src/components/MkPostFormAttaches.vue
@@ -108,7 +108,7 @@ async function rename(file) {
 async function describe(file) {
 	if (mock) return;
 
-	os.popup(defineAsyncComponent(() => import('@/components/MkFileCaptionEditWindow.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkFileCaptionEditWindow.vue')), {
 		default: file.comment !== null ? file.comment : '',
 		file: file,
 	}, {
@@ -121,7 +121,8 @@ async function describe(file) {
 				file.comment = comment;
 			});
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 async function crop(file: Misskey.entities.DriveFile): Promise<void> {
diff --git a/packages/frontend/src/components/MkRange.vue b/packages/frontend/src/components/MkRange.vue
index 15f8128e98..1eae642937 100644
--- a/packages/frontend/src/components/MkRange.vue
+++ b/packages/frontend/src/components/MkRange.vue
@@ -101,17 +101,19 @@ const steps = computed(() => {
 	}
 });
 
-const onMousedown = (ev: MouseEvent | TouchEvent) => {
+function onMousedown(ev: MouseEvent | TouchEvent) {
 	ev.preventDefault();
 
 	const tooltipShowing = ref(true);
-	os.popup(defineAsyncComponent(() => import('@/components/MkTooltip.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkTooltip.vue')), {
 		showing: tooltipShowing,
 		text: computed(() => {
 			return props.textConverter(finalValue.value);
 		}),
 		targetElement: thumbEl,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 
 	const style = document.createElement('style');
 	style.appendChild(document.createTextNode('* { cursor: grabbing !important; } body * { pointer-events: none !important; }'));
@@ -152,7 +154,7 @@ const onMousedown = (ev: MouseEvent | TouchEvent) => {
 	window.addEventListener('touchmove', onDrag);
 	window.addEventListener('mouseup', onMouseup, { once: true });
 	window.addEventListener('touchend', onMouseup, { once: true });
-};
+}
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/frontend/src/components/MkReactionIcon.vue b/packages/frontend/src/components/MkReactionIcon.vue
index 068a2968db..c0cbd8a65d 100644
--- a/packages/frontend/src/components/MkReactionIcon.vue
+++ b/packages/frontend/src/components/MkReactionIcon.vue
@@ -24,11 +24,13 @@ const elRef = shallowRef();
 
 if (props.withTooltip) {
 	useTooltip(elRef, (showing) => {
-		os.popup(defineAsyncComponent(() => import('@/components/MkReactionTooltip.vue')), {
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkReactionTooltip.vue')), {
 			showing,
 			reaction: props.reaction.replace(/^:(\w+):$/, ':$1@.:'),
 			targetElement: elRef.value.$el,
-		}, {}, 'closed');
+		}, {
+			closed: () => dispose(),
+		});
 	});
 }
 </script>
diff --git a/packages/frontend/src/components/MkReactionsViewer.reaction.vue b/packages/frontend/src/components/MkReactionsViewer.reaction.vue
index c41811febe..26223364ab 100644
--- a/packages/frontend/src/components/MkReactionsViewer.reaction.vue
+++ b/packages/frontend/src/components/MkReactionsViewer.reaction.vue
@@ -114,10 +114,12 @@ async function menu(ev) {
 		text: i18n.ts.info,
 		icon: 'ti ti-info-circle',
 		action: async () => {
-			os.popup(MkCustomEmojiDetailedDialog, {
+			const { dispose } = os.popup(MkCustomEmojiDetailedDialog, {
 				emoji: await misskeyApiGet('emoji', {
 					name: props.reaction.replace(/:/g, '').replace(/@\./, ''),
 				}),
+			}, {
+				closed: () => dispose(),
 			});
 		},
 	}], ev.currentTarget ?? ev.target);
@@ -129,7 +131,9 @@ function anime() {
 	const rect = buttonEl.value.getBoundingClientRect();
 	const x = rect.left + 16;
 	const y = rect.top + (buttonEl.value.offsetHeight / 2);
-	os.popup(MkReactionEffect, { reaction: props.reaction, x, y }, {}, 'end');
+	const { dispose } = os.popup(MkReactionEffect, { reaction: props.reaction, x, y }, {
+		end: () => dispose(),
+	});
 }
 
 watch(() => props.count, (newCount, oldCount) => {
@@ -151,13 +155,15 @@ if (!mock) {
 
 		const users = reactions.map(x => x.user);
 
-		os.popup(XDetails, {
+		const { dispose } = os.popup(XDetails, {
 			showing,
 			reaction: props.reaction,
 			users,
 			count: props.count,
 			targetElement: buttonEl.value,
-		}, {}, 'closed');
+		}, {
+			closed: () => dispose(),
+		});
 	}, 100);
 }
 </script>
diff --git a/packages/frontend/src/components/MkSignin.vue b/packages/frontend/src/components/MkSignin.vue
index 970aff825d..db32cdd6a1 100644
--- a/packages/frontend/src/components/MkSignin.vue
+++ b/packages/frontend/src/components/MkSignin.vue
@@ -218,8 +218,9 @@ function loginFailed(err: any): void {
 }
 
 function resetPassword(): void {
-	os.popup(defineAsyncComponent(() => import('@/components/MkForgotPassword.vue')), {}, {
-	}, 'closed');
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkForgotPassword.vue')), {}, {
+		closed: () => dispose(),
+	});
 }
 </script>
 
diff --git a/packages/frontend/src/components/MkSystemWebhookEditor.impl.ts b/packages/frontend/src/components/MkSystemWebhookEditor.impl.ts
index 1222d3261d..76f54e8d37 100644
--- a/packages/frontend/src/components/MkSystemWebhookEditor.impl.ts
+++ b/packages/frontend/src/components/MkSystemWebhookEditor.impl.ts
@@ -25,15 +25,15 @@ export type MkSystemWebhookResult = {
 
 export async function showSystemWebhookEditorDialog(props: MkSystemWebhookEditorProps): Promise<MkSystemWebhookResult | null> {
 	const { dispose, result } = await new Promise<{ dispose: () => void, result: MkSystemWebhookResult | null }>(async resolve => {
-		const res = await os.popup(
+		const { dispose: _dispose } = os.popup(
 			defineAsyncComponent(() => import('@/components/MkSystemWebhookEditor.vue')),
 			props,
 			{
 				submitted: (ev: MkSystemWebhookResult) => {
-					resolve({ dispose: res.dispose, result: ev });
+					resolve({ dispose: _dispose, result: ev });
 				},
 				closed: () => {
-					resolve({ dispose: res.dispose, result: null });
+					resolve({ dispose: _dispose, result: null });
 				},
 			},
 		);
diff --git a/packages/frontend/src/components/MkUrlPreview.vue b/packages/frontend/src/components/MkUrlPreview.vue
index 6954f1f6ff..8df5e0fe40 100644
--- a/packages/frontend/src/components/MkUrlPreview.vue
+++ b/packages/frontend/src/components/MkUrlPreview.vue
@@ -188,11 +188,13 @@ function adjustTweetHeight(message: any) {
 	if (height) tweetHeight.value = height;
 }
 
-const openPlayer = (): void => {
-	os.popup(defineAsyncComponent(() => import('@/components/MkYouTubePlayer.vue')), {
+function openPlayer(): void {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkYouTubePlayer.vue')), {
 		url: requestUrl.href,
+	}, {
+		// TODO
 	});
-};
+}
 
 (window as any).addEventListener('message', adjustTweetHeight);
 
diff --git a/packages/frontend/src/components/MkUserSetupDialog.vue b/packages/frontend/src/components/MkUserSetupDialog.vue
index cab0067813..514350c930 100644
--- a/packages/frontend/src/components/MkUserSetupDialog.vue
+++ b/packages/frontend/src/components/MkUserSetupDialog.vue
@@ -176,9 +176,11 @@ function setupComplete() {
 function launchTutorial() {
 	setupComplete();
 	nextTick(() => {
-		os.popup(defineAsyncComponent(() => import('@/components/MkTutorialDialog.vue')), {
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkTutorialDialog.vue')), {
 			initialPage: 1,
-		}, {}, 'closed');
+		}, {
+			closed: () => dispose(),
+		});
 	});
 }
 
diff --git a/packages/frontend/src/components/MkVisitorDashboard.vue b/packages/frontend/src/components/MkVisitorDashboard.vue
index f7963f9938..4d81bd0283 100644
--- a/packages/frontend/src/components/MkVisitorDashboard.vue
+++ b/packages/frontend/src/components/MkVisitorDashboard.vue
@@ -74,15 +74,19 @@ misskeyApi('stats', {}).then((res) => {
 });
 
 function signin() {
-	os.popup(XSigninDialog, {
+	const { dispose } = os.popup(XSigninDialog, {
 		autoSet: true,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 function signup() {
-	os.popup(XSignupDialog, {
+	const { dispose } = os.popup(XSignupDialog, {
 		autoSet: true,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 function showMenu(ev) {
diff --git a/packages/frontend/src/components/global/MkCustomEmoji.vue b/packages/frontend/src/components/global/MkCustomEmoji.vue
index 6123835340..4581908a8a 100644
--- a/packages/frontend/src/components/global/MkCustomEmoji.vue
+++ b/packages/frontend/src/components/global/MkCustomEmoji.vue
@@ -106,12 +106,12 @@ function onClick(ev: MouseEvent) {
 			text: i18n.ts.info,
 			icon: 'ti ti-info-circle',
 			action: async () => {
-				os.popup(MkCustomEmojiDetailedDialog, {
+				const { dispose } = os.popup(MkCustomEmojiDetailedDialog, {
 					emoji: await misskeyApiGet('emoji', {
 						name: customEmojiName.value,
 					}),
 				}, {
-					anchor: ev.target,
+					closed: () => dispose(),
 				});
 			},
 		}], ev.currentTarget ?? ev.target);
diff --git a/packages/frontend/src/components/global/MkUrl.vue b/packages/frontend/src/components/global/MkUrl.vue
index 9d4cd559d9..d2ddd4aa85 100644
--- a/packages/frontend/src/components/global/MkUrl.vue
+++ b/packages/frontend/src/components/global/MkUrl.vue
@@ -50,11 +50,13 @@ const el = ref();
 
 if (props.showUrlPreview && isEnabledUrlPreview.value) {
 	useTooltip(el, (showing) => {
-		os.popup(defineAsyncComponent(() => import('@/components/MkUrlPreviewPopup.vue')), {
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkUrlPreviewPopup.vue')), {
 			showing,
 			url: props.url,
 			source: el.value instanceof HTMLElement ? el.value : el.value?.$el,
-		}, {}, 'closed');
+		}, {
+			closed: () => dispose(),
+		});
 	});
 }
 
diff --git a/packages/frontend/src/directives/ripple.ts b/packages/frontend/src/directives/ripple.ts
index 2d724f771e..a043ff212d 100644
--- a/packages/frontend/src/directives/ripple.ts
+++ b/packages/frontend/src/directives/ripple.ts
@@ -17,7 +17,9 @@ export default {
 			const x = rect.left + (el.offsetWidth / 2);
 			const y = rect.top + (el.offsetHeight / 2);
 
-			popup(MkRippleEffect, { x, y }, {}, 'end');
+			const { dispose } = popup(MkRippleEffect, { x, y }, {
+				end: () => dispose(),
+			});
 		});
 	},
 };
diff --git a/packages/frontend/src/directives/tooltip.ts b/packages/frontend/src/directives/tooltip.ts
index b1c1b19907..251ce5675f 100644
--- a/packages/frontend/src/directives/tooltip.ts
+++ b/packages/frontend/src/directives/tooltip.ts
@@ -51,13 +51,15 @@ export default {
 			if (self.text == null) return;
 
 			const showing = ref(true);
-			popup(defineAsyncComponent(() => import('@/components/MkTooltip.vue')), {
+			const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkTooltip.vue')), {
 				showing,
 				text: self.text,
 				asMfm: binding.modifiers.mfm,
 				direction: binding.modifiers.left ? 'left' : binding.modifiers.right ? 'right' : binding.modifiers.top ? 'top' : binding.modifiers.bottom ? 'bottom' : 'top',
 				targetElement: el,
-			}, {}, 'closed');
+			}, {
+				closed: () => dispose(),
+			});
 
 			self._close = () => {
 				showing.value = false;
diff --git a/packages/frontend/src/directives/user-preview.ts b/packages/frontend/src/directives/user-preview.ts
index 7a008a4486..278d842d09 100644
--- a/packages/frontend/src/directives/user-preview.ts
+++ b/packages/frontend/src/directives/user-preview.ts
@@ -35,7 +35,7 @@ export class UserPreview {
 
 		const showing = ref(true);
 
-		popup(defineAsyncComponent(() => import('@/components/MkUserPopup.vue')), {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkUserPopup.vue')), {
 			showing,
 			q: this.user,
 			source: this.el,
@@ -47,7 +47,8 @@ export class UserPreview {
 				window.clearTimeout(this.showTimer);
 				this.hideTimer = window.setTimeout(this.close, 500);
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 
 		this.promise = {
 			cancel: () => {
diff --git a/packages/frontend/src/os.ts b/packages/frontend/src/os.ts
index f656a52371..560f692acf 100644
--- a/packages/frontend/src/os.ts
+++ b/packages/frontend/src/os.ts
@@ -116,11 +116,13 @@ export function promiseDialog<T extends Promise<any>>(
 	});
 
 	// NOTE: dynamic importすると挙動がおかしくなる(showingの変更が伝播しない)
-	popup(MkWaitingDialog, {
+	const { dispose } = popup(MkWaitingDialog, {
 		success: success,
 		showing: showing,
 		text: text,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 
 	return promise;
 }
@@ -166,28 +168,24 @@ type EmitsExtractor<T> = {
 	[K in keyof T as K extends `onVnode${string}` ? never : K extends `on${infer E}` ? Uncapitalize<E> : K extends string ? never : K]: T[K];
 };
 
-export async function popup<T extends Component>(
+export function popup<T extends Component>(
 	component: T,
 	props: ComponentProps<T>,
 	events: ComponentEmit<T> = {} as ComponentEmit<T>,
-	disposeEvent?: keyof ComponentEmit<T>,
-): Promise<{ dispose: () => void }> {
+): { dispose: () => void } {
 	markRaw(component);
 
 	const id = ++popupIdCount;
 	const dispose = () => {
 		// このsetTimeoutが無いと挙動がおかしくなる(autocompleteが閉じなくなる)。Vueのバグ？
 		window.setTimeout(() => {
-			popups.value = popups.value.filter(popup => popup.id !== id);
+			popups.value = popups.value.filter(p => p.id !== id);
 		}, 0);
 	};
 	const state = {
 		component,
 		props,
-		events: disposeEvent ? {
-			...events,
-			[disposeEvent]: dispose,
-		} : events,
+		events,
 		id,
 	};
 
@@ -199,15 +197,19 @@ export async function popup<T extends Component>(
 }
 
 export function pageWindow(path: string) {
-	popup(MkPageWindow, {
+	const { dispose } = popup(MkPageWindow, {
 		initialPath: path,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 export function toast(message: string) {
-	popup(MkToast, {
+	const { dispose } = popup(MkToast, {
 		message,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 export function alert(props: {
@@ -216,11 +218,12 @@ export function alert(props: {
 	text?: string;
 }): Promise<void> {
 	return new Promise(resolve => {
-		popup(MkDialog, props, {
+		const { dispose } = popup(MkDialog, props, {
 			done: () => {
 				resolve();
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -232,14 +235,15 @@ export function confirm(props: {
 	cancelText?: string;
 }): Promise<{ canceled: boolean }> {
 	return new Promise(resolve => {
-		popup(MkDialog, {
+		const { dispose } = popup(MkDialog, {
 			...props,
 			showCancelButton: true,
 		}, {
 			done: result => {
 				resolve(result ? result : { canceled: true });
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -261,7 +265,7 @@ export function actions<T extends {
 	canceled: false; result: T[number]['value'];
 }> {
 	return new Promise(resolve => {
-		popup(MkDialog, {
+		const { dispose } = popup(MkDialog, {
 			...props,
 			actions: props.actions.map(a => ({
 				text: a.text,
@@ -275,7 +279,8 @@ export function actions<T extends {
 			done: result => {
 				resolve(result ? result : { canceled: true });
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -323,7 +328,7 @@ export function inputText(props: {
 	canceled: false; result: string | null;
 }> {
 	return new Promise(resolve => {
-		popup(MkDialog, {
+		const { dispose } = popup(MkDialog, {
 			title: props.title,
 			text: props.text,
 			input: {
@@ -338,7 +343,8 @@ export function inputText(props: {
 			done: result => {
 				resolve(result ? result : { canceled: true });
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -377,7 +383,7 @@ export function inputNumber(props: {
 	canceled: false; result: number | null;
 }> {
 	return new Promise(resolve => {
-		popup(MkDialog, {
+		const { dispose } = popup(MkDialog, {
 			title: props.title,
 			text: props.text,
 			input: {
@@ -390,7 +396,8 @@ export function inputNumber(props: {
 			done: result => {
 				resolve(result ? result : { canceled: true });
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -405,7 +412,7 @@ export function inputDate(props: {
 	canceled: false; result: Date;
 }> {
 	return new Promise(resolve => {
-		popup(MkDialog, {
+		const { dispose } = popup(MkDialog, {
 			title: props.title,
 			text: props.text,
 			input: {
@@ -417,7 +424,8 @@ export function inputDate(props: {
 			done: result => {
 				resolve(result ? { result: new Date(result.result), canceled: false } : { result: undefined, canceled: true });
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -427,11 +435,12 @@ export function authenticateDialog(): Promise<{
 	canceled: false; result: { password: string; token: string | null; };
 }> {
 	return new Promise(resolve => {
-		popup(MkPasswordDialog, {}, {
+		const { dispose } = popup(MkPasswordDialog, {}, {
 			done: result => {
 				resolve(result ? { canceled: false, result } : { canceled: true, result: undefined });
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -476,7 +485,7 @@ export function select<C = any>(props: {
 	canceled: false; result: C | null;
 }> {
 	return new Promise(resolve => {
-		popup(MkDialog, {
+		const { dispose } = popup(MkDialog, {
 			title: props.title,
 			text: props.text,
 			select: {
@@ -487,7 +496,8 @@ export function select<C = any>(props: {
 			done: result => {
 				resolve(result ? result : { canceled: true });
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -497,53 +507,57 @@ export function success(): Promise<void> {
 		window.setTimeout(() => {
 			showing.value = false;
 		}, 1000);
-		popup(MkWaitingDialog, {
+		const { dispose } = popup(MkWaitingDialog, {
 			success: true,
 			showing: showing,
 		}, {
 			done: () => resolve(),
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
 export function waiting(): Promise<void> {
 	return new Promise(resolve => {
 		const showing = ref(true);
-		popup(MkWaitingDialog, {
+		const { dispose } = popup(MkWaitingDialog, {
 			success: false,
 			showing: showing,
 		}, {
 			done: () => resolve(),
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
 export function form<F extends Form>(title: string, f: F): Promise<{ canceled: true, result?: undefined } | { canceled?: false, result: GetFormResultType<F> }> {
 	return new Promise(resolve => {
-		popup(defineAsyncComponent(() => import('@/components/MkFormDialog.vue')), { title, form: f }, {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkFormDialog.vue')), { title, form: f }, {
 			done: result => {
 				resolve(result);
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
 export async function selectUser(opts: { includeSelf?: boolean; localOnly?: boolean; } = {}): Promise<Misskey.entities.UserDetailed> {
 	return new Promise(resolve => {
-		popup(defineAsyncComponent(() => import('@/components/MkUserSelectDialog.vue')), {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkUserSelectDialog.vue')), {
 			includeSelf: opts.includeSelf,
 			localOnly: opts.localOnly,
 		}, {
 			ok: user => {
 				resolve(user);
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
 export async function selectDriveFile(multiple: boolean): Promise<Misskey.entities.DriveFile[]> {
 	return new Promise(resolve => {
-		popup(defineAsyncComponent(() => import('@/components/MkDriveSelectDialog.vue')), {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkDriveSelectDialog.vue')), {
 			type: 'file',
 			multiple,
 		}, {
@@ -552,13 +566,14 @@ export async function selectDriveFile(multiple: boolean): Promise<Misskey.entiti
 					resolve(files);
 				}
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
 export async function selectDriveFolder(multiple: boolean): Promise<Misskey.entities.DriveFolder[]> {
 	return new Promise(resolve => {
-		popup(defineAsyncComponent(() => import('@/components/MkDriveSelectDialog.vue')), {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkDriveSelectDialog.vue')), {
 			type: 'folder',
 			multiple,
 		}, {
@@ -567,20 +582,22 @@ export async function selectDriveFolder(multiple: boolean): Promise<Misskey.enti
 					resolve(folders);
 				}
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
 export async function pickEmoji(src: HTMLElement, opts: ComponentProps<typeof MkEmojiPickerDialog>): Promise<string> {
 	return new Promise(resolve => {
-		popup(MkEmojiPickerDialog, {
+		const { dispose } = popup(MkEmojiPickerDialog, {
 			src,
 			...opts,
 		}, {
 			done: emoji => {
 				resolve(emoji);
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -589,7 +606,7 @@ export async function cropImage(image: Misskey.entities.DriveFile, options: {
 	uploadFolder?: string | null;
 }): Promise<Misskey.entities.DriveFile> {
 	return new Promise(resolve => {
-		popup(defineAsyncComponent(() => import('@/components/MkCropperDialog.vue')), {
+		const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkCropperDialog.vue')), {
 			file: image,
 			aspectRatio: options.aspectRatio,
 			uploadFolder: options.uploadFolder,
@@ -597,7 +614,8 @@ export async function cropImage(image: Misskey.entities.DriveFile, options: {
 			ok: x => {
 				resolve(x);
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 }
 
@@ -608,8 +626,7 @@ export function popupMenu(items: MenuItem[], src?: HTMLElement | EventTarget | n
 	onClosing?: () => void;
 }): Promise<void> {
 	return new Promise(resolve => {
-		let dispose;
-		popup(MkPopupMenu, {
+		const { dispose } = popup(MkPopupMenu, {
 			items,
 			src,
 			width: options?.width,
@@ -623,8 +640,6 @@ export function popupMenu(items: MenuItem[], src?: HTMLElement | EventTarget | n
 			closing: () => {
 				if (options?.onClosing) options.onClosing();
 			},
-		}).then(res => {
-			dispose = res.dispose;
 		});
 	});
 }
@@ -632,8 +647,7 @@ export function popupMenu(items: MenuItem[], src?: HTMLElement | EventTarget | n
 export function contextMenu(items: MenuItem[], ev: MouseEvent): Promise<void> {
 	ev.preventDefault();
 	return new Promise(resolve => {
-		let dispose;
-		popup(MkContextMenu, {
+		const { dispose } = popup(MkContextMenu, {
 			items,
 			ev,
 		}, {
@@ -641,8 +655,6 @@ export function contextMenu(items: MenuItem[], ev: MouseEvent): Promise<void> {
 				resolve();
 				dispose();
 			},
-		}).then(res => {
-			dispose = res.dispose;
 		});
 	});
 }
@@ -656,14 +668,11 @@ export function post(props: Record<string, any> = {}): Promise<void> {
 		//       Vueが渡されたコンポーネントに内部的に__propsというプロパティを生やす影響で、
 		//       複数のpost formを開いたときに場合によってはエラーになる
 		//       もちろん複数のpost formを開けること自体Misskeyサイドのバグなのだが
-		let dispose;
-		popup(MkPostFormDialog, props, {
+		const { dispose } = popup(MkPostFormDialog, props, {
 			closed: () => {
 				resolve();
 				dispose();
 			},
-		}).then(res => {
-			dispose = res.dispose;
 		});
 	});
 }
diff --git a/packages/frontend/src/pages/admin-user.vue b/packages/frontend/src/pages/admin-user.vue
index f57aa51b5b..1459997dcb 100644
--- a/packages/frontend/src/pages/admin-user.vue
+++ b/packages/frontend/src/pages/admin-user.vue
@@ -464,16 +464,20 @@ function toggleRoleItem(role) {
 }
 
 function createAnnouncement() {
-	os.popup(defineAsyncComponent(() => import('@/components/MkUserAnnouncementEditDialog.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkUserAnnouncementEditDialog.vue')), {
 		user: user.value,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 function editAnnouncement(announcement) {
-	os.popup(defineAsyncComponent(() => import('@/components/MkUserAnnouncementEditDialog.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkUserAnnouncementEditDialog.vue')), {
 		user: user.value,
 		announcement,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 watch(() => props.userId, () => {
diff --git a/packages/frontend/src/pages/admin/abuse-report/notification-recipient.vue b/packages/frontend/src/pages/admin/abuse-report/notification-recipient.vue
index a52f8eb7af..93800873f9 100644
--- a/packages/frontend/src/pages/admin/abuse-report/notification-recipient.vue
+++ b/packages/frontend/src/pages/admin/abuse-report/notification-recipient.vue
@@ -109,7 +109,7 @@ async function onDeleteButtonClicked(id: string) {
 
 async function showEditor(mode: 'create' | 'edit', id?: string) {
 	const { dispose, needLoad } = await new Promise<{ dispose: () => void, needLoad: boolean }>(async resolve => {
-		const res = await os.popup(
+		const { dispose: _dispose } = os.popup(
 			defineAsyncComponent(() => import('./notification-recipient.editor.vue')),
 			{
 				mode,
@@ -117,10 +117,10 @@ async function showEditor(mode: 'create' | 'edit', id?: string) {
 			},
 			{
 				submitted: async () => {
-					resolve({ dispose: res.dispose, needLoad: true });
+					resolve({ dispose: _dispose, needLoad: true });
 				},
 				closed: () => {
-					resolve({ dispose: res.dispose, needLoad: false });
+					resolve({ dispose: _dispose, needLoad: false });
 				},
 			},
 		);
diff --git a/packages/frontend/src/pages/custom-emojis-manager.vue b/packages/frontend/src/pages/custom-emojis-manager.vue
index 3e2332e408..eea3f68130 100644
--- a/packages/frontend/src/pages/custom-emojis-manager.vue
+++ b/packages/frontend/src/pages/custom-emojis-manager.vue
@@ -129,18 +129,19 @@ const toggleSelect = (emoji) => {
 };
 
 const add = async (ev: MouseEvent) => {
-	os.popup(defineAsyncComponent(() => import('./emoji-edit-dialog.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('./emoji-edit-dialog.vue')), {
 	}, {
 		done: result => {
 			if (result.created) {
 				emojisPaginationComponent.value.prepend(result.created);
 			}
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 };
 
 const edit = (emoji) => {
-	os.popup(defineAsyncComponent(() => import('./emoji-edit-dialog.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('./emoji-edit-dialog.vue')), {
 		emoji: emoji,
 	}, {
 		done: result => {
@@ -153,7 +154,8 @@ const edit = (emoji) => {
 				emojisPaginationComponent.value.removeItem(emoji.id);
 			}
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 };
 
 const importEmoji = (emoji) => {
diff --git a/packages/frontend/src/pages/drive.file.info.vue b/packages/frontend/src/pages/drive.file.info.vue
index 8077edff5f..7a8786d415 100644
--- a/packages/frontend/src/pages/drive.file.info.vue
+++ b/packages/frontend/src/pages/drive.file.info.vue
@@ -160,7 +160,7 @@ function rename() {
 function describe() {
 	if (!file.value) return;
 
-	os.popup(defineAsyncComponent(() => import('@/components/MkFileCaptionEditWindow.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkFileCaptionEditWindow.vue')), {
 		default: file.value.comment ?? '',
 		file: file.value,
 	}, {
@@ -172,7 +172,8 @@ function describe() {
 				await fetch();
 			});
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 async function deleteFile() {
diff --git a/packages/frontend/src/pages/drop-and-fusion.game.vue b/packages/frontend/src/pages/drop-and-fusion.game.vue
index eba5b92154..10bcfa6d4e 100644
--- a/packages/frontend/src/pages/drop-and-fusion.game.vue
+++ b/packages/frontend/src/pages/drop-and-fusion.game.vue
@@ -1008,8 +1008,18 @@ function attachGameEvents() {
 		const domX = rect.left + (x * viewScale);
 		const domY = rect.top + (y * viewScale);
 		const scoreUnit = getScoreUnit(props.gameMode);
-		os.popup(MkRippleEffect, { x: domX, y: domY }, {}, 'end');
-		os.popup(MkPlusOneEffect, { x: domX, y: domY, value: scoreDelta + (scoreUnit === 'pt' ? '' : scoreUnit) }, {}, 'end');
+
+		{
+			const { dispose } = os.popup(MkRippleEffect, { x: domX, y: domY }, {
+				end: () => dispose(),
+			});
+		}
+
+		{
+			const { dispose } = os.popup(MkPlusOneEffect, { x: domX, y: domY, value: scoreDelta + (scoreUnit === 'pt' ? '' : scoreUnit) }, {
+				end: () => dispose(),
+			});
+		}
 
 		if (nextMono) {
 			const def = monoDefinitions.value.find(x => x.id === nextMono.id)!;
diff --git a/packages/frontend/src/pages/emojis.emoji.vue b/packages/frontend/src/pages/emojis.emoji.vue
index 5301a08521..ae3a2c31e3 100644
--- a/packages/frontend/src/pages/emojis.emoji.vue
+++ b/packages/frontend/src/pages/emojis.emoji.vue
@@ -14,8 +14,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import * as os from '@/os.js';
 import * as Misskey from 'misskey-js';
+import * as os from '@/os.js';
 import { misskeyApiGet } from '@/scripts/misskey-api.js';
 import copyToClipboard from '@/scripts/copy-to-clipboard.js';
 import { i18n } from '@/i18n.js';
@@ -40,12 +40,12 @@ function menu(ev) {
 		text: i18n.ts.info,
 		icon: 'ti ti-info-circle',
 		action: async () => {
-			os.popup(MkCustomEmojiDetailedDialog, {
+			const { dispose } = os.popup(MkCustomEmojiDetailedDialog, {
 				emoji: await misskeyApiGet('emoji', {
 					name: props.emoji.name,
-				})
+				}),
 			}, {
-				anchor: ev.target,
+				closed: () => dispose(),
 			});
 		},
 	}], ev.currentTarget ?? ev.target);
diff --git a/packages/frontend/src/pages/reset-password.vue b/packages/frontend/src/pages/reset-password.vue
index 6b67a9cc87..6d24029535 100644
--- a/packages/frontend/src/pages/reset-password.vue
+++ b/packages/frontend/src/pages/reset-password.vue
@@ -44,7 +44,9 @@ async function save() {
 
 onMounted(() => {
 	if (props.token == null) {
-		os.popup(defineAsyncComponent(() => import('@/components/MkForgotPassword.vue')), {}, {}, 'closed');
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkForgotPassword.vue')), {}, {
+			closed: () => dispose(),
+		});
 		mainRouter.push('/');
 	}
 });
diff --git a/packages/frontend/src/pages/settings/2fa.vue b/packages/frontend/src/pages/settings/2fa.vue
index b7d648c1a4..6a9a1e16e2 100644
--- a/packages/frontend/src/pages/settings/2fa.vue
+++ b/packages/frontend/src/pages/settings/2fa.vue
@@ -108,9 +108,11 @@ async function registerTOTP(): Promise<void> {
 		token: auth.result.token,
 	});
 
-	os.popup(defineAsyncComponent(() => import('./2fa.qrdialog.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('./2fa.qrdialog.vue')), {
 		twoFactorData,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 async function unregisterTOTP(): Promise<void> {
diff --git a/packages/frontend/src/pages/settings/accounts.vue b/packages/frontend/src/pages/settings/accounts.vue
index 1182346de9..08c9261dcf 100644
--- a/packages/frontend/src/pages/settings/accounts.vue
+++ b/packages/frontend/src/pages/settings/accounts.vue
@@ -74,22 +74,24 @@ async function removeAccount(account) {
 }
 
 function addExistingAccount() {
-	os.popup(defineAsyncComponent(() => import('@/components/MkSigninDialog.vue')), {}, {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkSigninDialog.vue')), {}, {
 		done: async res => {
 			await addAccounts(res.id, res.i);
 			os.success();
 			init();
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 function createAccount() {
-	os.popup(defineAsyncComponent(() => import('@/components/MkSignupDialog.vue')), {}, {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkSignupDialog.vue')), {}, {
 		done: async res => {
 			await addAccounts(res.id, res.i);
 			switchAccountWithToken(res.i);
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 async function switchAccount(account: any) {
diff --git a/packages/frontend/src/pages/settings/api.vue b/packages/frontend/src/pages/settings/api.vue
index d9596b4e45..b35d406a98 100644
--- a/packages/frontend/src/pages/settings/api.vue
+++ b/packages/frontend/src/pages/settings/api.vue
@@ -23,7 +23,7 @@ import { definePageMetadata } from '@/scripts/page-metadata.js';
 const isDesktop = ref(window.innerWidth >= 1100);
 
 function generateToken() {
-	os.popup(defineAsyncComponent(() => import('@/components/MkTokenGenerateWindow.vue')), {}, {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkTokenGenerateWindow.vue')), {}, {
 		done: async result => {
 			const { name, permissions } = result;
 			const { token } = await misskeyApi('miauth/gen-token', {
@@ -38,7 +38,8 @@ function generateToken() {
 				text: token,
 			});
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 const headerActions = computed(() => []);
diff --git a/packages/frontend/src/pages/settings/avatar-decoration.vue b/packages/frontend/src/pages/settings/avatar-decoration.vue
index 3cc911c014..77229d3349 100644
--- a/packages/frontend/src/pages/settings/avatar-decoration.vue
+++ b/packages/frontend/src/pages/settings/avatar-decoration.vue
@@ -67,7 +67,7 @@ misskeyApi('get-avatar-decorations').then(_avatarDecorations => {
 });
 
 function openDecoration(avatarDecoration, index?: number) {
-	os.popup(defineAsyncComponent(() => import('./avatar-decoration.dialog.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('./avatar-decoration.dialog.vue')), {
 		decoration: avatarDecoration,
 		usingIndex: index,
 	}, {
@@ -108,7 +108,8 @@ function openDecoration(avatarDecoration, index?: number) {
 			});
 			$i.avatarDecorations = update;
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 function detachAllDecorations() {
diff --git a/packages/frontend/src/scripts/get-drive-file-menu.ts b/packages/frontend/src/scripts/get-drive-file-menu.ts
index 7aca5f83b2..14c83ed637 100644
--- a/packages/frontend/src/scripts/get-drive-file-menu.ts
+++ b/packages/frontend/src/scripts/get-drive-file-menu.ts
@@ -27,7 +27,7 @@ function rename(file: Misskey.entities.DriveFile) {
 }
 
 function describe(file: Misskey.entities.DriveFile) {
-	os.popup(defineAsyncComponent(() => import('@/components/MkFileCaptionEditWindow.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkFileCaptionEditWindow.vue')), {
 		default: file.comment ?? '',
 		file: file,
 	}, {
@@ -37,7 +37,8 @@ function describe(file: Misskey.entities.DriveFile) {
 				comment: caption.length === 0 ? null : caption,
 			});
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 function toggleSensitive(file: Misskey.entities.DriveFile) {
diff --git a/packages/frontend/src/scripts/get-note-menu.ts b/packages/frontend/src/scripts/get-note-menu.ts
index 71ad299f50..418b6abc88 100644
--- a/packages/frontend/src/scripts/get-note-menu.ts
+++ b/packages/frontend/src/scripts/get-note-menu.ts
@@ -136,10 +136,12 @@ export function getAbuseNoteMenu(note: Misskey.entities.Note, text: string): Men
 			let noteInfo = '';
 			if (note.url ?? note.uri != null) noteInfo = `Note: ${note.url ?? note.uri}\n`;
 			noteInfo += `Local Note: ${localUrl}\n`;
-			os.popup(defineAsyncComponent(() => import('@/components/MkAbuseReportWindow.vue')), {
+			const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkAbuseReportWindow.vue')), {
 				user: note.user,
 				initialComment: `${noteInfo}-----\n`,
-			}, {}, 'closed');
+			}, {
+				closed: () => dispose(),
+			});
 		},
 	};
 }
@@ -530,7 +532,9 @@ export function getRenoteMenu(props: {
 					const rect = el.getBoundingClientRect();
 					const x = rect.left + (el.offsetWidth / 2);
 					const y = rect.top + (el.offsetHeight / 2);
-					os.popup(MkRippleEffect, { x, y }, {}, 'end');
+					const { dispose } = os.popup(MkRippleEffect, { x, y }, {
+						end: () => dispose(),
+					});
 				}
 
 				if (!props.mock) {
@@ -566,7 +570,9 @@ export function getRenoteMenu(props: {
 					const rect = el.getBoundingClientRect();
 					const x = rect.left + (el.offsetWidth / 2);
 					const y = rect.top + (el.offsetHeight / 2);
-					os.popup(MkRippleEffect, { x, y }, {}, 'end');
+					const { dispose } = os.popup(MkRippleEffect, { x, y }, {
+						end: () => dispose(),
+					});
 				}
 
 				const configuredVisibility = defaultStore.state.rememberNoteVisibility ? defaultStore.state.visibility : defaultStore.state.defaultNoteVisibility;
@@ -615,7 +621,9 @@ export function getRenoteMenu(props: {
 							const rect = el.getBoundingClientRect();
 							const x = rect.left + (el.offsetWidth / 2);
 							const y = rect.top + (el.offsetHeight / 2);
-							os.popup(MkRippleEffect, { x, y }, {}, 'end');
+							const { dispose } = os.popup(MkRippleEffect, { x, y }, {
+								end: () => dispose(),
+							});
 						}
 
 						if (!props.mock) {
diff --git a/packages/frontend/src/scripts/get-user-menu.ts b/packages/frontend/src/scripts/get-user-menu.ts
index 3e031d232f..ac8774fad0 100644
--- a/packages/frontend/src/scripts/get-user-menu.ts
+++ b/packages/frontend/src/scripts/get-user-menu.ts
@@ -100,9 +100,11 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 	}
 
 	function reportAbuse() {
-		os.popup(defineAsyncComponent(() => import('@/components/MkAbuseReportWindow.vue')), {
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkAbuseReportWindow.vue')), {
 			user: user,
-		}, {}, 'closed');
+		}, {
+			closed: () => dispose(),
+		});
 	}
 
 	async function getConfirmed(text: string): Promise<boolean> {
diff --git a/packages/frontend/src/scripts/install-plugin.ts b/packages/frontend/src/scripts/install-plugin.ts
index d0a8675b19..37f473b6de 100644
--- a/packages/frontend/src/scripts/install-plugin.ts
+++ b/packages/frontend/src/scripts/install-plugin.ts
@@ -103,7 +103,7 @@ export async function installPlugin(code: string, meta?: AiScriptPluginMeta) {
 	}
 
 	const token = realMeta.permissions == null || realMeta.permissions.length === 0 ? null : await new Promise((res, rej) => {
-		os.popup(defineAsyncComponent(() => import('@/components/MkTokenGenerateWindow.vue')), {
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkTokenGenerateWindow.vue')), {
 			title: i18n.ts.tokenRequested,
 			information: i18n.ts.pluginTokenRequestedDescription,
 			initialName: realMeta.name,
@@ -118,7 +118,8 @@ export async function installPlugin(code: string, meta?: AiScriptPluginMeta) {
 				});
 				res(token);
 			},
-		}, 'closed');
+			closed: () => dispose(),
+		});
 	});
 
 	savePlugin({
diff --git a/packages/frontend/src/scripts/please-login.ts b/packages/frontend/src/scripts/please-login.ts
index 9e51272791..363da5f633 100644
--- a/packages/frontend/src/scripts/please-login.ts
+++ b/packages/frontend/src/scripts/please-login.ts
@@ -11,7 +11,7 @@ import { popup } from '@/os.js';
 export function pleaseLogin(path?: string) {
 	if ($i) return;
 
-	popup(defineAsyncComponent(() => import('@/components/MkSigninDialog.vue')), {
+	const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkSigninDialog.vue')), {
 		autoSet: true,
 		message: i18n.ts.signinRequired,
 	}, {
@@ -20,7 +20,8 @@ export function pleaseLogin(path?: string) {
 				window.location.href = path;
 			}
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 
 	throw new Error('signin required');
 }
diff --git a/packages/frontend/src/scripts/use-chart-tooltip.ts b/packages/frontend/src/scripts/use-chart-tooltip.ts
index bed221a622..bba64fc6ee 100644
--- a/packages/frontend/src/scripts/use-chart-tooltip.ts
+++ b/packages/frontend/src/scripts/use-chart-tooltip.ts
@@ -17,20 +17,16 @@ export function useChartTooltip(opts: { position: 'top' | 'middle' } = { positio
 		borderColor: string;
 		text: string;
 	}[] | null>(null);
-	let disposeTooltipComponent;
-
-	os.popup(MkChartTooltip, {
+	const { dispose: disposeTooltipComponent } = os.popup(MkChartTooltip, {
 		showing: tooltipShowing,
 		x: tooltipX,
 		y: tooltipY,
 		title: tooltipTitle,
 		series: tooltipSeries,
-	}, {}).then(({ dispose }) => {
-		disposeTooltipComponent = dispose;
-	});
+	}, {});
 
 	onUnmounted(() => {
-		if (disposeTooltipComponent) disposeTooltipComponent();
+		disposeTooltipComponent();
 	});
 
 	onDeactivated(() => {
diff --git a/packages/frontend/src/ui/_common_/common.ts b/packages/frontend/src/ui/_common_/common.ts
index 839fa5faf8..20a280f681 100644
--- a/packages/frontend/src/ui/_common_/common.ts
+++ b/packages/frontend/src/ui/_common_/common.ts
@@ -112,7 +112,9 @@ export function openInstanceMenu(ev: MouseEvent) {
 		text: i18n.ts._initialTutorial.launchTutorial,
 		icon: 'ti ti-presentation',
 		action: () => {
-			os.popup(defineAsyncComponent(() => import('@/components/MkTutorialDialog.vue')), {}, {}, 'closed');
+			const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkTutorialDialog.vue')), {}, {
+				closed: () => dispose(),
+			});
 		},
 	} : undefined, {
 		type: 'link',
diff --git a/packages/frontend/src/ui/_common_/navbar-for-mobile.vue b/packages/frontend/src/ui/_common_/navbar-for-mobile.vue
index 5d0e065f09..699aa1e1c8 100644
--- a/packages/frontend/src/ui/_common_/navbar-for-mobile.vue
+++ b/packages/frontend/src/ui/_common_/navbar-for-mobile.vue
@@ -74,8 +74,9 @@ function openAccountMenu(ev: MouseEvent) {
 }
 
 function more() {
-	os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {}, {
-	}, 'closed');
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {}, {
+		closed: () => dispose(),
+	});
 }
 </script>
 
diff --git a/packages/frontend/src/ui/_common_/navbar.vue b/packages/frontend/src/ui/_common_/navbar.vue
index fa1f0eb8c7..b029533f28 100644
--- a/packages/frontend/src/ui/_common_/navbar.vue
+++ b/packages/frontend/src/ui/_common_/navbar.vue
@@ -99,10 +99,11 @@ function openAccountMenu(ev: MouseEvent) {
 }
 
 function more(ev: MouseEvent) {
-	os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {
 		src: ev.currentTarget ?? ev.target,
 	}, {
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 </script>
 
diff --git a/packages/frontend/src/ui/classic.header.vue b/packages/frontend/src/ui/classic.header.vue
index ee5176b558..c03afd6cd6 100644
--- a/packages/frontend/src/ui/classic.header.vue
+++ b/packages/frontend/src/ui/classic.header.vue
@@ -71,11 +71,12 @@ const otherNavItemIndicated = computed<boolean>(() => {
 });
 
 function more(ev: MouseEvent) {
-	os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {
 		src: ev.currentTarget ?? ev.target,
 		anchor: { x: 'center', y: 'bottom' },
 	}, {
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 function openAccountMenu(ev: MouseEvent) {
diff --git a/packages/frontend/src/ui/classic.sidebar.vue b/packages/frontend/src/ui/classic.sidebar.vue
index 19672ef87f..d8574a915f 100644
--- a/packages/frontend/src/ui/classic.sidebar.vue
+++ b/packages/frontend/src/ui/classic.sidebar.vue
@@ -86,9 +86,11 @@ function calcViewState() {
 }
 
 function more(ev: MouseEvent) {
-	os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {
 		src: ev.currentTarget ?? ev.target,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 function openAccountMenu(ev: MouseEvent) {
diff --git a/packages/frontend/src/ui/deck/notifications-column.vue b/packages/frontend/src/ui/deck/notifications-column.vue
index 451cc58791..23b0fd4f7b 100644
--- a/packages/frontend/src/ui/deck/notifications-column.vue
+++ b/packages/frontend/src/ui/deck/notifications-column.vue
@@ -27,7 +27,7 @@ const props = defineProps<{
 const notificationsComponent = shallowRef<InstanceType<typeof XNotifications>>();
 
 function func() {
-	os.popup(defineAsyncComponent(() => import('@/components/MkNotificationSelectWindow.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkNotificationSelectWindow.vue')), {
 		excludeTypes: props.column.excludeTypes,
 	}, {
 		done: async (res) => {
@@ -36,7 +36,8 @@ function func() {
 				excludeTypes: excludeTypes,
 			});
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 }
 
 const menu = [{
diff --git a/packages/frontend/src/ui/visitor.vue b/packages/frontend/src/ui/visitor.vue
index 80623083cf..c229946bd4 100644
--- a/packages/frontend/src/ui/visitor.vue
+++ b/packages/frontend/src/ui/visitor.vue
@@ -126,15 +126,19 @@ const keymap = computed(() => {
 });
 
 function signin() {
-	os.popup(XSigninDialog, {
+	const { dispose } = os.popup(XSigninDialog, {
 		autoSet: true,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 function signup() {
-	os.popup(XSignupDialog, {
+	const { dispose } = os.popup(XSignupDialog, {
 		autoSet: true,
-	}, {}, 'closed');
+	}, {
+		closed: () => dispose(),
+	});
 }
 
 onMounted(() => {
diff --git a/packages/frontend/src/widgets/WidgetNotifications.vue b/packages/frontend/src/widgets/WidgetNotifications.vue
index 4b3265dab7..773c078b49 100644
--- a/packages/frontend/src/widgets/WidgetNotifications.vue
+++ b/packages/frontend/src/widgets/WidgetNotifications.vue
@@ -54,7 +54,7 @@ const { widgetProps, configure, save } = useWidgetPropsManager(name,
 );
 
 const configureNotification = () => {
-	os.popup(defineAsyncComponent(() => import('@/components/MkNotificationSelectWindow.vue')), {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkNotificationSelectWindow.vue')), {
 		excludeTypes: widgetProps.excludeTypes,
 	}, {
 		done: async (res) => {
@@ -62,7 +62,8 @@ const configureNotification = () => {
 			widgetProps.excludeTypes = excludeTypes;
 			save();
 		},
-	}, 'closed');
+		closed: () => dispose(),
+	});
 };
 
 defineExpose<WidgetComponentExpose>({
diff --git a/packages/frontend/vite.config.local-dev.ts b/packages/frontend/vite.config.local-dev.ts
index f9dff13b15..0a88e489c1 100644
--- a/packages/frontend/vite.config.local-dev.ts
+++ b/packages/frontend/vite.config.local-dev.ts
@@ -1,6 +1,8 @@
 import dns from 'dns';
 import { readFile } from 'node:fs/promises';
+import type { IncomingMessage } from 'node:http';
 import { defineConfig } from 'vite';
+import type { UserConfig } from 'vite';
 import * as yaml from 'js-yaml';
 import locales from '../../locales/index.js';
 import { getConfig } from './vite.config.js';
@@ -14,7 +16,15 @@ const { port } = yaml.load(await readFile('../../.config/default.yml', 'utf-8'))
 const httpUrl = `http://localhost:${port}/`;
 const websocketUrl = `ws://localhost:${port}/`;
 
-const devConfig = {
+// activitypubリクエストはProxyを通し、それ以外はViteの開発サーバーを返す
+function varyHandler(req: IncomingMessage) {
+	if (req.headers.accept?.includes('application/activity+json')) {
+		return null;
+	}
+	return '/index.html';
+}
+
+const devConfig: UserConfig = {
 	// 基本の設定は vite.config.js から引き継ぐ
 	...defaultConfig,
 	root: 'src',
@@ -54,15 +64,11 @@ const devConfig = {
 			'/inbox': httpUrl,
 			'/notes': {
 				target: httpUrl,
-				headers: {
-					'Accept': 'application/activity+json',
-				},
+				bypass: varyHandler,
 			},
 			'/users': {
 				target: httpUrl,
-				headers: {
-					'Accept': 'application/activity+json',
-				},
+				bypass: varyHandler,
 			},
 			'/.well-known': {
 				target: httpUrl,