diff --git a/CHANGELOG.md b/CHANGELOG.md
index 718c7d97c..5bb56be2c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,8 +7,30 @@
 
 -->
 
+## 12.x.x (unreleased)
+
+### Improvements
+
+### Bugfixes
+- 投稿のNSFW画像を表示したあとにリアクションが更新されると画像が非表示になる問題を修正
+- 「クリップ」ページが開かない問題を修正
+- トレンドウィジェットが動作しないのを修正
+- リアクション設定で絵文字ピッカーが開かないのを修正
+- DMページでメンションが含まれる問題を修正
+- 投稿フォームのハッシュタグ保持フィールドが動作しない問題を修正
+- Add `img-src` and `media-src` directives to `Content-Security-Policy` for
+  files and media proxy
+
+## 12.102.1 (2022/01/27)
+### Bugfixes
+- チャットが表示できない問題を修正
+
 ## 12.102.0 (2022/01/27)
 
+### NOTE
+アップデート後、一部カスタム絵文字が表示できなくなる場合があります。その場合、一旦絵文字管理ページから絵文字を一括エクスポートし、再度コントロールパネルから一括インポートすると直ります。
+⚠ 12.102.0以前にエクスポートされたzipとは互換性がありません。アップデートしてからエクスポートを行なってください。
+
 ### Changes
 - Room機能が削除されました
   - 後日別リポジトリとして復活予定です
diff --git a/cypress/integration/basic.js b/cypress/integration/basic.js
index aca44ef15..7d27b649f 100644
--- a/cypress/integration/basic.js
+++ b/cypress/integration/basic.js
@@ -176,3 +176,7 @@ describe('After user singed in', () => {
 		cy.contains('Hello, Misskey!');
   });
 });
+
+// TODO: 投稿フォームの公開範囲指定のテスト
+// TODO: 投稿フォームのファイル添付のテスト
+// TODO: 投稿フォームのハッシュタグ保持フィールドのテスト
diff --git a/package.json b/package.json
index f32fb4a17..f6e05af4e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "12.102.0-simkey",
+	"version": "12.102.1-simkey",
 	"codename": "indigo",
 	"repository": {
 		"type": "git",
diff --git a/packages/backend/src/server/file/index.ts b/packages/backend/src/server/file/index.ts
index a455acd1c..6fe6110dc 100644
--- a/packages/backend/src/server/file/index.ts
+++ b/packages/backend/src/server/file/index.ts
@@ -18,7 +18,7 @@ const _dirname = dirname(_filename);
 const app = new Koa();
 app.use(cors());
 app.use(async (ctx, next) => {
-	ctx.set('Content-Security-Policy', `default-src 'none'; style-src 'unsafe-inline'`);
+	ctx.set('Content-Security-Policy', `default-src 'none'; img-src 'self'; media-src 'self'; style-src 'unsafe-inline'`);
 	await next();
 });
 
diff --git a/packages/backend/src/server/proxy/index.ts b/packages/backend/src/server/proxy/index.ts
index b8993f19f..7a3094311 100644
--- a/packages/backend/src/server/proxy/index.ts
+++ b/packages/backend/src/server/proxy/index.ts
@@ -11,7 +11,7 @@ import { proxyMedia } from './proxy-media';
 const app = new Koa();
 app.use(cors());
 app.use(async (ctx, next) => {
-	ctx.set('Content-Security-Policy', `default-src 'none'; style-src 'unsafe-inline'`);
+	ctx.set('Content-Security-Policy', `default-src 'none'; img-src 'self'; media-src 'self'; style-src 'unsafe-inline'`);
 	await next();
 });
 
diff --git a/packages/client/src/account.ts b/packages/client/src/account.ts
index 5a935e1dc..4aeceecca 100644
--- a/packages/client/src/account.ts
+++ b/packages/client/src/account.ts
@@ -192,31 +192,31 @@ export async function openAccountMenu(opts: {
 	if (opts.withExtraOperation) {
 		popupMenu([...[{
 			type: 'link',
-			text: i18n.locale.profile,
+			text: i18n.ts.profile,
 			to: `/@${ $i.username }`,
 			avatar: $i,
 		}, null, ...(opts.includeCurrentAccount ? [createItem($i)] : []), ...accountItemPromises, {
 			icon: 'fas fa-plus',
-			text: i18n.locale.addAccount,
+			text: i18n.ts.addAccount,
 			action: () => {
 				popupMenu([{
-					text: i18n.locale.existingAccount,
+					text: i18n.ts.existingAccount,
 					action: () => { showSigninDialog(); },
 				}, {
-					text: i18n.locale.createAccount,
+					text: i18n.ts.createAccount,
 					action: () => { createAccount(); },
-				}], ev.currentTarget || ev.target);
+				}], ev.currentTarget ?? ev.target);
 			},
 		}, {
 			type: 'link',
 			icon: 'fas fa-users',
-			text: i18n.locale.manageAccounts,
+			text: i18n.ts.manageAccounts,
 			to: `/settings/accounts`,
-		}]], ev.currentTarget || ev.target, {
+		}]], ev.currentTarget ?? ev.target, {
 			align: 'left'
 		});
 	} else {
-		popupMenu([...(opts.includeCurrentAccount ? [createItem($i)] : []), ...accountItemPromises], ev.currentTarget || ev.target, {
+		popupMenu([...(opts.includeCurrentAccount ? [createItem($i)] : []), ...accountItemPromises], ev.currentTarget ?? ev.target, {
 			align: 'left'
 		});
 	}
diff --git a/packages/client/src/components/abuse-report-window.vue b/packages/client/src/components/abuse-report-window.vue
index cd04f62bc..f2cb36980 100644
--- a/packages/client/src/components/abuse-report-window.vue
+++ b/packages/client/src/components/abuse-report-window.vue
@@ -2,7 +2,7 @@
 <XWindow ref="window" :initial-width="400" :initial-height="500" :can-resize="true" @closed="emit('closed')">
 	<template #header>
 		<i class="fas fa-exclamation-circle" style="margin-right: 0.5em;"></i>
-		<I18n :src="i18n.locale.reportAbuseOf" tag="span">
+		<I18n :src="i18n.ts.reportAbuseOf" tag="span">
 			<template #name>
 				<b><MkAcct :user="user"/></b>
 			</template>
@@ -11,12 +11,12 @@
 	<div class="dpvffvvy _monolithic_">
 		<div class="_section">
 			<MkTextarea v-model="comment">
-				<template #label>{{ i18n.locale.details }}</template>
-				<template #caption>{{ i18n.locale.fillAbuseReportDescription }}</template>
+				<template #label>{{ i18n.ts.details }}</template>
+				<template #caption>{{ i18n.ts.fillAbuseReportDescription }}</template>
 			</MkTextarea>
 		</div>
 		<div class="_section">
-			<MkButton primary full :disabled="comment.length === 0" @click="send">{{ i18n.locale.send }}</MkButton>
+			<MkButton primary full :disabled="comment.length === 0" @click="send">{{ i18n.ts.send }}</MkButton>
 		</div>
 	</div>
 </XWindow>
@@ -50,7 +50,7 @@ function send() {
 	}, undefined).then(res => {
 		os.alert({
 			type: 'success',
-			text: i18n.locale.abuseReported
+			text: i18n.ts.abuseReported
 		});
 		window.value?.close();
 		emit('closed');
diff --git a/packages/client/src/components/autocomplete.vue b/packages/client/src/components/autocomplete.vue
index 7ba83b7cb..91a50ffa5 100644
--- a/packages/client/src/components/autocomplete.vue
+++ b/packages/client/src/components/autocomplete.vue
@@ -8,7 +8,7 @@
 			</span>
 			<span class="username">@{{ acct(user) }}</span>
 		</li>
-		<li tabindex="-1" class="choose" @click="chooseUser()" @keydown="onKeydown">{{ i18n.locale.selectUser }}</li>
+		<li tabindex="-1" class="choose" @click="chooseUser()" @keydown="onKeydown">{{ i18n.ts.selectUser }}</li>
 	</ol>
 	<ol v-else-if="hashtags.length > 0" ref="suggests" class="hashtags">
 		<li v-for="hashtag in hashtags" tabindex="-1" @click="complete(type, hashtag)" @keydown="onKeydown">
diff --git a/packages/client/src/components/captcha.vue b/packages/client/src/components/captcha.vue
index 307fc312b..963ae25f8 100644
--- a/packages/client/src/components/captcha.vue
+++ b/packages/client/src/components/captcha.vue
@@ -1,6 +1,6 @@
 <template>
 <div>
-	<span v-if="!available">{{ i18n.locale.waiting }}<MkEllipsis/></span>
+	<span v-if="!available">{{ i18n.ts.waiting }}<MkEllipsis/></span>
 	<div ref="captchaEl"></div>
 </div>
 </template>
diff --git a/packages/client/src/components/channel-follow-button.vue b/packages/client/src/components/channel-follow-button.vue
index 0ad5384cd..7bbf5ae66 100644
--- a/packages/client/src/components/channel-follow-button.vue
+++ b/packages/client/src/components/channel-follow-button.vue
@@ -6,14 +6,14 @@
 >
 	<template v-if="!wait">
 		<template v-if="isFollowing">
-			<span v-if="full">{{ i18n.locale.unfollow }}</span><i class="fas fa-minus"></i>
+			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="fas fa-minus"></i>
 		</template>
 		<template v-else>
-			<span v-if="full">{{ i18n.locale.follow }}</span><i class="fas fa-plus"></i>
+			<span v-if="full">{{ i18n.ts.follow }}</span><i class="fas fa-plus"></i>
 		</template>
 	</template>
 	<template v-else>
-		<span v-if="full">{{ i18n.locale.processing }}</span><i class="fas fa-spinner fa-pulse fa-fw"></i>
+		<span v-if="full">{{ i18n.ts.processing }}</span><i class="fas fa-spinner fa-pulse fa-fw"></i>
 	</template>
 </button>
 </template>
diff --git a/packages/client/src/components/channel-preview.vue b/packages/client/src/components/channel-preview.vue
index 8d135a192..dd3794a65 100644
--- a/packages/client/src/components/channel-preview.vue
+++ b/packages/client/src/components/channel-preview.vue
@@ -6,7 +6,7 @@
 		<div class="status">
 			<div>
 				<i class="fas fa-users fa-fw"></i>
-				<I18n :src="i18n.locale._channel.usersCount" tag="span" style="margin-left: 4px;">
+				<I18n :src="i18n.ts._channel.usersCount" tag="span" style="margin-left: 4px;">
 					<template #n>
 						<b>{{ channel.usersCount }}</b>
 					</template>
@@ -14,7 +14,7 @@
 			</div>
 			<div>
 				<i class="fas fa-pencil-alt fa-fw"></i>
-				<I18n :src="i18n.locale._channel.notesCount" tag="span" style="margin-left: 4px;">
+				<I18n :src="i18n.ts._channel.notesCount" tag="span" style="margin-left: 4px;">
 					<template #n>
 						<b>{{ channel.notesCount }}</b>
 					</template>
@@ -27,7 +27,7 @@
 	</article>
 	<footer>
 		<span v-if="channel.lastNotedAt">
-			{{ i18n.locale.updatedAt }}: <MkTime :time="channel.lastNotedAt"/>
+			{{ i18n.ts.updatedAt }}: <MkTime :time="channel.lastNotedAt"/>
 		</span>
 	</footer>
 </MkA>
diff --git a/packages/client/src/components/chart.vue b/packages/client/src/components/chart.vue
index 1959271f5..d17c0c9f3 100644
--- a/packages/client/src/components/chart.vue
+++ b/packages/client/src/components/chart.vue
@@ -143,6 +143,7 @@ export default defineComponent({
 			}
 
 			const gridColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.1)' : 'rgba(0, 0, 0, 0.1)';
+			const vLineColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
 
 			// フォントカラー
 			Chart.defaults.color = getComputedStyle(document.documentElement).getPropertyValue('--fg');
@@ -255,6 +256,27 @@ export default defineComponent({
 						},
 					},
 				},
+				plugins: [{
+					id: 'vLine',
+					beforeDraw(chart, args, options) {
+						if (chart.tooltip._active && chart.tooltip._active.length) {
+							const activePoint = chart.tooltip._active[0];
+							const ctx = chart.ctx;
+							const x = activePoint.element.x;
+							const topY = chart.scales.y.top;
+							const bottomY = chart.scales.y.bottom;
+
+							ctx.save();
+							ctx.beginPath();
+							ctx.moveTo(x, bottomY);
+							ctx.lineTo(x, topY);
+							ctx.lineWidth = 1;
+							ctx.strokeStyle = vLineColor;
+							ctx.stroke();
+							ctx.restore();
+						}
+					}
+				}]
 			});
 		};
 
diff --git a/packages/client/src/components/cw-button.vue b/packages/client/src/components/cw-button.vue
index ccfd11462..e7c9aabe4 100644
--- a/packages/client/src/components/cw-button.vue
+++ b/packages/client/src/components/cw-button.vue
@@ -1,6 +1,6 @@
 <template>
 <button class="nrvgflfu _button" @click="toggle">
-	<b>{{ modelValue ? i18n.locale._cw.hide : i18n.locale._cw.show }}</b>
+	<b>{{ modelValue ? i18n.ts._cw.hide : i18n.ts._cw.show }}</b>
 	<span v-if="!modelValue">{{ label }}</span>
 </button>
 </template>
@@ -25,7 +25,7 @@ const label = computed(() => {
 	return concat([
 		props.note.text ? [i18n.t('_cw.chars', { count: length(props.note.text) })] : [],
 		props.note.files && props.note.files.length !== 0 ? [i18n.t('_cw.files', { count: props.note.files.length }) ] : [],
-		props.note.poll != null ? [i18n.locale.poll] : []
+		props.note.poll != null ? [i18n.ts.poll] : []
 	] as string[][]).join(' / ');
 });
 
diff --git a/packages/client/src/components/dialog.vue b/packages/client/src/components/dialog.vue
index b6b649cde..3e106a4f0 100644
--- a/packages/client/src/components/dialog.vue
+++ b/packages/client/src/components/dialog.vue
@@ -28,8 +28,8 @@
 			</template>
 		</MkSelect>
 		<div v-if="(showOkButton || showCancelButton) && !actions" class="buttons">
-			<MkButton v-if="showOkButton" inline primary :autofocus="!input && !select" @click="ok">{{ (showCancelButton || input || select) ? i18n.locale.ok : i18n.locale.gotIt }}</MkButton>
-			<MkButton v-if="showCancelButton || input || select" inline @click="cancel">{{ i18n.locale.cancel }}</MkButton>
+			<MkButton v-if="showOkButton" inline primary :autofocus="!input && !select" @click="ok">{{ (showCancelButton || input || select) ? i18n.ts.ok : i18n.ts.gotIt }}</MkButton>
+			<MkButton v-if="showCancelButton || input || select" inline @click="cancel">{{ i18n.ts.cancel }}</MkButton>
 		</div>
 		<div v-if="actions" class="buttons">
 			<MkButton v-for="action in actions" :key="action.text" inline :primary="action.primary" @click="() => { action.callback(); close(); }">{{ action.text }}</MkButton>
diff --git a/packages/client/src/components/drive-select-dialog.vue b/packages/client/src/components/drive-select-dialog.vue
index 6d8451127..f6c59457d 100644
--- a/packages/client/src/components/drive-select-dialog.vue
+++ b/packages/client/src/components/drive-select-dialog.vue
@@ -10,7 +10,7 @@
 	@closed="emit('closed')"
 >
 	<template #header>
-		{{ multiple ? ((type === 'file') ? i18n.locale.selectFiles : i18n.locale.selectFolders) : ((type === 'file') ? i18n.locale.selectFile : i18n.locale.selectFolder) }}
+		{{ multiple ? ((type === 'file') ? i18n.ts.selectFiles : i18n.ts.selectFolders) : ((type === 'file') ? i18n.ts.selectFile : i18n.ts.selectFolder) }}
 		<span v-if="selected.length > 0" style="margin-left: 8px; opacity: 0.5;">({{ number(selected.length) }})</span>
 	</template>
 	<XDrive :multiple="multiple" :select="type" @changeSelection="onChangeSelection" @selected="ok()"/>
diff --git a/packages/client/src/components/drive-window.vue b/packages/client/src/components/drive-window.vue
index 8b60bf779..d08c5fb67 100644
--- a/packages/client/src/components/drive-window.vue
+++ b/packages/client/src/components/drive-window.vue
@@ -6,7 +6,7 @@
 	@closed="emit('closed')"
 >
 	<template #header>
-		{{ i18n.locale.drive }}
+		{{ i18n.ts.drive }}
 	</template>
 	<XDrive :initial-folder="initialFolder"/>
 </XWindow>
diff --git a/packages/client/src/components/drive.file.vue b/packages/client/src/components/drive.file.vue
index fd6a81383..262eae0de 100644
--- a/packages/client/src/components/drive.file.vue
+++ b/packages/client/src/components/drive.file.vue
@@ -10,15 +10,15 @@
 >
 	<div v-if="$i?.avatarId == file.id" class="label">
 		<img src="/client-assets/label.svg"/>
-		<p>{{ i18n.locale.avatar }}</p>
+		<p>{{ i18n.ts.avatar }}</p>
 	</div>
 	<div v-if="$i?.bannerId == file.id" class="label">
 		<img src="/client-assets/label.svg"/>
-		<p>{{ i18n.locale.banner }}</p>
+		<p>{{ i18n.ts.banner }}</p>
 	</div>
 	<div v-if="file.isSensitive" class="label red">
 		<img src="/client-assets/label-red.svg"/>
-		<p>{{ i18n.locale.nsfw }}</p>
+		<p>{{ i18n.ts.nsfw }}</p>
 	</div>
 
 	<MkDriveFileThumbnail class="thumbnail" :file="file" fit="contain"/>
@@ -61,30 +61,30 @@ const title = computed(() => `${props.file.name}\n${props.file.type} ${bytes(pro
 
 function getMenu() {
 	return [{
-		text: i18n.locale.rename,
+		text: i18n.ts.rename,
 		icon: 'fas fa-i-cursor',
 		action: rename
 	}, {
-		text: props.file.isSensitive ? i18n.locale.unmarkAsSensitive : i18n.locale.markAsSensitive,
+		text: props.file.isSensitive ? i18n.ts.unmarkAsSensitive : i18n.ts.markAsSensitive,
 		icon: props.file.isSensitive ? 'fas fa-eye' : 'fas fa-eye-slash',
 		action: toggleSensitive
 	}, {
-		text: i18n.locale.describeFile,
+		text: i18n.ts.describeFile,
 		icon: 'fas fa-i-cursor',
 		action: describe
 	}, null, {
-		text: i18n.locale.copyUrl,
+		text: i18n.ts.copyUrl,
 		icon: 'fas fa-link',
 		action: copyUrl
 	}, {
 		type: 'a',
 		href: props.file.url,
 		target: '_blank',
-		text: i18n.locale.download,
+		text: i18n.ts.download,
 		icon: 'fas fa-download',
 		download: props.file.name
 	}, null, {
-		text: i18n.locale.delete,
+		text: i18n.ts.delete,
 		icon: 'fas fa-trash-alt',
 		danger: true,
 		action: deleteFile
@@ -95,7 +95,7 @@ function onClick(ev: MouseEvent) {
 	if (props.selectMode) {
 		emit('chosen', props.file);
 	} else {
-		os.popupMenu(getMenu(), (ev.currentTarget || ev.target || undefined) as HTMLElement | undefined);
+		os.popupMenu(getMenu(), (ev.currentTarget ?? ev.target ?? undefined) as HTMLElement | undefined);
 	}
 }
 
@@ -120,8 +120,8 @@ function onDragend() {
 
 function rename() {
 	os.inputText({
-		title: i18n.locale.renameFile,
-		placeholder: i18n.locale.inputNewFileName,
+		title: i18n.ts.renameFile,
+		placeholder: i18n.ts.inputNewFileName,
 		default: props.file.name,
 	}).then(({ canceled, result: name }) => {
 		if (canceled) return;
@@ -134,9 +134,9 @@ function rename() {
 
 function describe() {
 	os.popup(import('@/components/media-caption.vue'), {
-		title: i18n.locale.describeFile,
+		title: i18n.ts.describeFile,
 		input: {
-			placeholder: i18n.locale.inputNewDescription,
+			placeholder: i18n.ts.inputNewDescription,
 			default: props.file.comment !== null ? props.file.comment : '',
 		},
 		image: props.file
diff --git a/packages/client/src/components/drive.folder.vue b/packages/client/src/components/drive.folder.vue
index 20a6343cf..57621bf09 100644
--- a/packages/client/src/components/drive.folder.vue
+++ b/packages/client/src/components/drive.folder.vue
@@ -20,7 +20,7 @@
 		{{ folder.name }}
 	</p>
 	<p v-if="defaultStore.state.uploadFolder == folder.id" class="upload">
-		{{ i18n.locale.uploadFolder }}
+		{{ i18n.ts.uploadFolder }}
 	</p>
 	<button v-if="selectMode" class="checkbox _button" :class="{ checked: isSelected }" @click.prevent.stop="checkboxClicked"></button>
 </div>
@@ -146,14 +146,14 @@ function onDrop(ev: DragEvent) {
 			switch (err) {
 				case 'detected-circular-definition':
 					os.alert({
-						title: i18n.locale.unableToProcess,
-						text: i18n.locale.circularReferenceFolder
+						title: i18n.ts.unableToProcess,
+						text: i18n.ts.circularReferenceFolder
 					});
 					break;
 				default:
 					os.alert({
 						type: 'error',
-						text: i18n.locale.somethingHappened
+						text: i18n.ts.somethingHappened
 					});
 			}
 		});
@@ -184,8 +184,8 @@ function go() {
 
 function rename() {
 	os.inputText({
-		title: i18n.locale.renameFolder,
-		placeholder: i18n.locale.inputNewFolderName,
+		title: i18n.ts.renameFolder,
+		placeholder: i18n.ts.inputNewFolderName,
 		default: props.folder.name
 	}).then(({ canceled, result: name }) => {
 		if (canceled) return;
@@ -208,14 +208,14 @@ function deleteFolder() {
 			case 'b0fc8a17-963c-405d-bfbc-859a487295e1':
 				os.alert({
 					type: 'error',
-					title: i18n.locale.unableToDelete,
-					text: i18n.locale.hasChildFilesOrFolders
+					title: i18n.ts.unableToDelete,
+					text: i18n.ts.hasChildFilesOrFolders
 				});
 				break;
 			default:
 				os.alert({
 					type: 'error',
-					text: i18n.locale.unableToDelete
+					text: i18n.ts.unableToDelete
 				});
 		}
 	});
@@ -227,7 +227,7 @@ function setAsUploadFolder() {
 
 function onContextmenu(ev: MouseEvent) {
 	os.contextMenu([{
-		text: i18n.locale.openInWindow,
+		text: i18n.ts.openInWindow,
 		icon: 'fas fa-window-restore',
 		action: () => {
 			os.popup(import('./drive-window.vue'), {
@@ -236,11 +236,11 @@ function onContextmenu(ev: MouseEvent) {
 			}, 'closed');
 		}
 	}, null, {
-		text: i18n.locale.rename,
+		text: i18n.ts.rename,
 		icon: 'fas fa-i-cursor',
 		action: rename,
 	}, null, {
-		text: i18n.locale.delete,
+		text: i18n.ts.delete,
 		icon: 'fas fa-trash-alt',
 		danger: true,
 		action: deleteFolder,
diff --git a/packages/client/src/components/drive.nav-folder.vue b/packages/client/src/components/drive.nav-folder.vue
index 7c35c5d3d..67223267c 100644
--- a/packages/client/src/components/drive.nav-folder.vue
+++ b/packages/client/src/components/drive.nav-folder.vue
@@ -8,7 +8,7 @@
 	@drop.stop="onDrop"
 >
 	<i v-if="folder == null" class="fas fa-cloud"></i>
-	<span>{{ folder == null ? i18n.locale.drive : folder.name }}</span>
+	<span>{{ folder == null ? i18n.ts.drive : folder.name }}</span>
 </div>
 </template>
 
diff --git a/packages/client/src/components/drive.vue b/packages/client/src/components/drive.vue
index e27b0a5fb..e044c6752 100644
--- a/packages/client/src/components/drive.vue
+++ b/packages/client/src/components/drive.vue
@@ -54,7 +54,7 @@
 				/>
 				<!-- SEE: https://stackoverflow.com/questions/18744164/flex-box-align-last-row-to-grid -->
 				<div v-for="(n, i) in 16" :key="i" class="padding"></div>
-				<MkButton v-if="moreFolders" ref="moreFolders">{{ i18n.locale.loadMore }}</MkButton>
+				<MkButton v-if="moreFolders" ref="moreFolders">{{ i18n.ts.loadMore }}</MkButton>
 			</div>
 			<div v-show="files.length > 0" ref="filesContainer" class="files">
 				<XFile
@@ -71,12 +71,12 @@
 				/>
 				<!-- SEE: https://stackoverflow.com/questions/18744164/flex-box-align-last-row-to-grid -->
 				<div v-for="(n, i) in 16" :key="i" class="padding"></div>
-				<MkButton v-show="moreFiles" ref="loadMoreFiles" @click="fetchMoreFiles">{{ i18n.locale.loadMore }}</MkButton>
+				<MkButton v-show="moreFiles" ref="loadMoreFiles" @click="fetchMoreFiles">{{ i18n.ts.loadMore }}</MkButton>
 			</div>
 			<div v-if="files.length == 0 && folders.length == 0 && !fetching" class="empty">
 				<p v-if="draghover">{{ i18n.t('empty-draghover') }}</p>
-				<p v-if="!draghover && folder == null"><strong>{{ i18n.locale.emptyDrive }}</strong><br/>{{ i18n.t('empty-drive-description') }}</p>
-				<p v-if="!draghover && folder != null">{{ i18n.locale.emptyFolder }}</p>
+				<p v-if="!draghover && folder == null"><strong>{{ i18n.ts.emptyDrive }}</strong><br/>{{ i18n.t('empty-drive-description') }}</p>
+				<p v-if="!draghover && folder != null">{{ i18n.ts.emptyFolder }}</p>
 			</div>
 		</div>
 		<MkLoading v-if="fetching"/>
@@ -253,14 +253,14 @@ function onDrop(e: DragEvent): any {
 			switch (err) {
 				case 'detected-circular-definition':
 					os.alert({
-						title: i18n.locale.unableToProcess,
-						text: i18n.locale.circularReferenceFolder
+						title: i18n.ts.unableToProcess,
+						text: i18n.ts.circularReferenceFolder
 					});
 					break;
 				default:
 					os.alert({
 						type: 'error',
-						text: i18n.locale.somethingHappened
+						text: i18n.ts.somethingHappened
 					});
 			}
 		});
@@ -274,9 +274,9 @@ function selectLocalFile() {
 
 function urlUpload() {
 	os.inputText({
-		title: i18n.locale.uploadFromUrl,
+		title: i18n.ts.uploadFromUrl,
 		type: 'url',
-		placeholder: i18n.locale.uploadFromUrlDescription
+		placeholder: i18n.ts.uploadFromUrlDescription
 	}).then(({ canceled, result: url }) => {
 		if (canceled || !url) return;
 		os.api('drive/files/upload-from-url', {
@@ -285,16 +285,16 @@ function urlUpload() {
 		});
 
 		os.alert({
-			title: i18n.locale.uploadFromUrlRequested,
-			text: i18n.locale.uploadFromUrlMayTakeTime
+			title: i18n.ts.uploadFromUrlRequested,
+			text: i18n.ts.uploadFromUrlMayTakeTime
 		});
 	});
 }
 
 function createFolder() {
 	os.inputText({
-		title: i18n.locale.createFolder,
-		placeholder: i18n.locale.folderName
+		title: i18n.ts.createFolder,
+		placeholder: i18n.ts.folderName
 	}).then(({ canceled, result: name }) => {
 		if (canceled) return;
 		os.api('drive/folders/create', {
@@ -308,8 +308,8 @@ function createFolder() {
 
 function renameFolder(folderToRename: Misskey.entities.DriveFolder) {
 	os.inputText({
-		title: i18n.locale.renameFolder,
-		placeholder: i18n.locale.inputNewFolderName,
+		title: i18n.ts.renameFolder,
+		placeholder: i18n.ts.inputNewFolderName,
 		default: folderToRename.name
 	}).then(({ canceled, result: name }) => {
 		if (canceled) return;
@@ -334,14 +334,14 @@ function deleteFolder(folderToDelete: Misskey.entities.DriveFolder) {
 			case 'b0fc8a17-963c-405d-bfbc-859a487295e1':
 				os.alert({
 					type: 'error',
-					title: i18n.locale.unableToDelete,
-					text: i18n.locale.hasChildFilesOrFolders
+					title: i18n.ts.unableToDelete,
+					text: i18n.ts.hasChildFilesOrFolders
 				});
 				break;
 			default:
 				os.alert({
 					type: 'error',
-					text: i18n.locale.unableToDelete
+					text: i18n.ts.unableToDelete
 				});
 			}
 	});
@@ -562,36 +562,36 @@ function fetchMoreFiles() {
 
 function getMenu() {
 	return [{
-		text: i18n.locale.addFile,
+		text: i18n.ts.addFile,
 		type: 'label'
 	}, {
-		text: i18n.locale.upload,
+		text: i18n.ts.upload,
 		icon: 'fas fa-upload',
 		action: () => { selectLocalFile(); }
 	}, {
-		text: i18n.locale.fromUrl,
+		text: i18n.ts.fromUrl,
 		icon: 'fas fa-link',
 		action: () => { urlUpload(); }
 	}, null, {
-		text: folder.value ? folder.value.name : i18n.locale.drive,
+		text: folder.value ? folder.value.name : i18n.ts.drive,
 		type: 'label'
 	}, folder.value ? {
-		text: i18n.locale.renameFolder,
+		text: i18n.ts.renameFolder,
 		icon: 'fas fa-i-cursor',
 		action: () => { renameFolder(folder.value); }
 	} : undefined, folder.value ? {
-		text: i18n.locale.deleteFolder,
+		text: i18n.ts.deleteFolder,
 		icon: 'fas fa-trash-alt',
 		action: () => { deleteFolder(folder.value as Misskey.entities.DriveFolder); }
 	} : undefined, {
-		text: i18n.locale.createFolder,
+		text: i18n.ts.createFolder,
 		icon: 'fas fa-folder-plus',
 		action: () => { createFolder(); }
 	}];
 }
 
 function showMenu(ev: MouseEvent) {
-	os.popupMenu(getMenu(), (ev.currentTarget || ev.target || undefined) as HTMLElement | undefined);
+	os.popupMenu(getMenu(), (ev.currentTarget ?? ev.target ?? undefined) as HTMLElement | undefined);
 }
 
 function onContextmenu(ev: MouseEvent) {
diff --git a/packages/client/src/components/emoji-picker-dialog.vue b/packages/client/src/components/emoji-picker-dialog.vue
index f06a24636..2c0b2e9a8 100644
--- a/packages/client/src/components/emoji-picker-dialog.vue
+++ b/packages/client/src/components/emoji-picker-dialog.vue
@@ -32,20 +32,20 @@ import MkEmojiPicker from '@/components/emoji-picker.vue';
 import { defaultStore } from '@/store';
 
 withDefaults(defineProps<{
-	manualShowing?: boolean;
+	manualShowing?: boolean | null;
 	src?: HTMLElement;
 	showPinned?: boolean;
 	asReactionPicker?: boolean;
 }>(), {
-	manualShowing: false,
+	manualShowing: null,
 	showPinned: true,
 	asReactionPicker: false,
 });
 
 const emit = defineEmits<{
-	(e: 'done', v: any): void;
-	(e: 'close'): void;
-	(e: 'closed'): void;
+	(ev: 'done', v: any): void;
+	(ev: 'close'): void;
+	(ev: 'closed'): void;
 }>();
 
 const modal = ref<InstanceType<typeof MkModal>>();
diff --git a/packages/client/src/components/emoji-picker.vue b/packages/client/src/components/emoji-picker.vue
index 96670fa58..6999ad651 100644
--- a/packages/client/src/components/emoji-picker.vue
+++ b/packages/client/src/components/emoji-picker.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="omfetrab" :class="['w' + width, 'h' + height, { big, asDrawer }]" :style="{ maxHeight: maxHeight ? maxHeight + 'px' : undefined }">
-	<input ref="search" v-model.trim="q" class="search" data-prevent-emoji-insert :class="{ filled: q != null && q != '' }" :placeholder="i18n.locale.search" @paste.stop="paste" @keyup.enter="done()">
+	<input ref="search" v-model.trim="q" class="search" data-prevent-emoji-insert :class="{ filled: q != null && q != '' }" :placeholder="i18n.ts.search" @paste.stop="paste" @keyup.enter="done()">
 	<div ref="emojis" class="emojis">
 		<section class="result">
 			<div v-if="searchResultCustom.length > 0">
@@ -43,7 +43,7 @@
 			</section>
 
 			<section>
-				<header class="_acrylic"><i class="far fa-clock fa-fw"></i> {{ i18n.locale.recentUsed }}</header>
+				<header class="_acrylic"><i class="far fa-clock fa-fw"></i> {{ i18n.ts.recentUsed }}</header>
 				<div>
 					<button v-for="emoji in recentlyUsedEmojis"
 						:key="emoji"
@@ -56,11 +56,11 @@
 			</section>
 		</div>
 		<div>
-			<header class="_acrylic">{{ i18n.locale.customEmojis }}</header>
-			<XSection v-for="category in customEmojiCategories" :key="'custom:' + category" :initial-shown="false" :emojis="customEmojis.filter(e => e.category === category).map(e => ':' + e.name + ':')" @chosen="chosen">{{ category || i18n.locale.other }}</XSection>
+			<header class="_acrylic">{{ i18n.ts.customEmojis }}</header>
+			<XSection v-for="category in customEmojiCategories" :key="'custom:' + category" :initial-shown="false" :emojis="customEmojis.filter(e => e.category === category).map(e => ':' + e.name + ':')" @chosen="chosen">{{ category || i18n.ts.other }}</XSection>
 		</div>
 		<div>
-			<header class="_acrylic">{{ i18n.locale.emoji }}</header>
+			<header class="_acrylic">{{ i18n.ts.emoji }}</header>
 			<XSection v-for="category in categories" :emojis="emojilist.filter(e => e.category === category).map(e => e.char)" @chosen="chosen">{{ category }}</XSection>
 		</div>
 	</div>
@@ -280,7 +280,7 @@ function getKey(emoji: string | Misskey.entities.CustomEmoji | UnicodeEmojiDef):
 }
 
 function chosen(emoji: any, ev?: MouseEvent) {
-	const el = ev && (ev.currentTarget || ev.target) as HTMLElement | null | undefined;
+	const el = ev && (ev.currentTarget ?? ev.target) as HTMLElement | null | undefined;
 	if (el) {
 		const rect = el.getBoundingClientRect();
 		const x = rect.left + (el.offsetWidth / 2);
diff --git a/packages/client/src/components/follow-button.vue b/packages/client/src/components/follow-button.vue
index 345edb644..93c9e891c 100644
--- a/packages/client/src/components/follow-button.vue
+++ b/packages/client/src/components/follow-button.vue
@@ -6,23 +6,23 @@
 >
 	<template v-if="!wait">
 		<template v-if="hasPendingFollowRequestFromYou && user.isLocked">
-			<span v-if="full">{{ i18n.locale.followRequestPending }}</span><i class="fas fa-hourglass-half"></i>
+			<span v-if="full">{{ i18n.ts.followRequestPending }}</span><i class="fas fa-hourglass-half"></i>
 		</template>
 		<template v-else-if="hasPendingFollowRequestFromYou && !user.isLocked"> <!-- つまりリモートフォローの場合。 -->
-			<span v-if="full">{{ i18n.locale.processing }}</span><i class="fas fa-spinner fa-pulse"></i>
+			<span v-if="full">{{ i18n.ts.processing }}</span><i class="fas fa-spinner fa-pulse"></i>
 		</template>
 		<template v-else-if="isFollowing">
-			<span v-if="full">{{ i18n.locale.unfollow }}</span><i class="fas fa-minus"></i>
+			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="fas fa-minus"></i>
 		</template>
 		<template v-else-if="!isFollowing && user.isLocked">
-			<span v-if="full">{{ i18n.locale.followRequest }}</span><i class="fas fa-plus"></i>
+			<span v-if="full">{{ i18n.ts.followRequest }}</span><i class="fas fa-plus"></i>
 		</template>
 		<template v-else-if="!isFollowing && !user.isLocked">
-			<span v-if="full">{{ i18n.locale.follow }}</span><i class="fas fa-plus"></i>
+			<span v-if="full">{{ i18n.ts.follow }}</span><i class="fas fa-plus"></i>
 		</template>
 	</template>
 	<template v-else>
-		<span v-if="full">{{ i18n.locale.processing }}</span><i class="fas fa-spinner fa-pulse fa-fw"></i>
+		<span v-if="full">{{ i18n.ts.processing }}</span><i class="fas fa-spinner fa-pulse fa-fw"></i>
 	</template>
 </button>
 </template>
diff --git a/packages/client/src/components/forgot-password.vue b/packages/client/src/components/forgot-password.vue
index c74e1ac75..46cbf6bd7 100644
--- a/packages/client/src/components/forgot-password.vue
+++ b/packages/client/src/components/forgot-password.vue
@@ -5,28 +5,28 @@
 	@close="dialog.close()"
 	@closed="emit('closed')"
 >
-	<template #header>{{ i18n.locale.forgotPassword }}</template>
+	<template #header>{{ i18n.ts.forgotPassword }}</template>
 
 	<form v-if="instance.enableEmail" class="bafeceda" @submit.prevent="onSubmit">
 		<div class="main _formRoot">
 			<MkInput v-model="username" class="_formBlock" type="text" pattern="^[a-zA-Z0-9_]+$" spellcheck="false" autofocus required>
-				<template #label>{{ i18n.locale.username }}</template>
+				<template #label>{{ i18n.ts.username }}</template>
 				<template #prefix>@</template>
 			</MkInput>
 
 			<MkInput v-model="email" class="_formBlock" type="email" spellcheck="false" required>
-				<template #label>{{ i18n.locale.emailAddress }}</template>
-				<template #caption>{{ i18n.locale._forgotPassword.enterEmail }}</template>
+				<template #label>{{ i18n.ts.emailAddress }}</template>
+				<template #caption>{{ i18n.ts._forgotPassword.enterEmail }}</template>
 			</MkInput>
 
-			<MkButton class="_formBlock" type="submit" :disabled="processing" primary style="margin: 0 auto;">{{ i18n.locale.send }}</MkButton>
+			<MkButton class="_formBlock" type="submit" :disabled="processing" primary style="margin: 0 auto;">{{ i18n.ts.send }}</MkButton>
 		</div>
 		<div class="sub">
-			<MkA to="/about" class="_link">{{ i18n.locale._forgotPassword.ifNoEmail }}</MkA>
+			<MkA to="/about" class="_link">{{ i18n.ts._forgotPassword.ifNoEmail }}</MkA>
 		</div>
 	</form>
 	<div v-else class="bafecedb">
-		{{ i18n.locale._forgotPassword.contactAdmin }}
+		{{ i18n.ts._forgotPassword.contactAdmin }}
 	</div>
 </XModalWindow>
 </template>
diff --git a/packages/client/src/components/global/a.vue b/packages/client/src/components/global/a.vue
index cf7385ca2..b1b6a0cda 100644
--- a/packages/client/src/components/global/a.vue
+++ b/packages/client/src/components/global/a.vue
@@ -43,31 +43,31 @@ function onContextmenu(ev) {
 		text: props.to,
 	}, {
 		icon: 'fas fa-window-maximize',
-		text: i18n.locale.openInWindow,
+		text: i18n.ts.openInWindow,
 		action: () => {
 			os.pageWindow(props.to);
 		}
 	}, sideViewHook ? {
 		icon: 'fas fa-columns',
-		text: i18n.locale.openInSideView,
+		text: i18n.ts.openInSideView,
 		action: () => {
 			sideViewHook(props.to);
 		}
 	} : undefined, {
 		icon: 'fas fa-expand-alt',
-		text: i18n.locale.showInPage,
+		text: i18n.ts.showInPage,
 		action: () => {
 			router.push(props.to);
 		}
 	}, null, {
 		icon: 'fas fa-external-link-alt',
-		text: i18n.locale.openInNewTab,
+		text: i18n.ts.openInNewTab,
 		action: () => {
 			window.open(props.to, '_blank');
 		}
 	}, {
 		icon: 'fas fa-link',
-		text: i18n.locale.copyLink,
+		text: i18n.ts.copyLink,
 		action: () => {
 			copyToClipboard(`${url}${props.to}`);
 		}
diff --git a/packages/client/src/components/global/header.vue b/packages/client/src/components/global/header.vue
index a241ece40..e558614c1 100644
--- a/packages/client/src/components/global/header.vue
+++ b/packages/client/src/components/global/header.vue
@@ -104,7 +104,7 @@ export default defineComponent({
 			if (props.info.share) {
 				if (menu.length > 0) menu.push(null);
 				menu.push({
-					text: i18n.locale.share,
+					text: i18n.ts.share,
 					icon: 'fas fa-share-alt',
 					action: share
 				});
@@ -113,7 +113,7 @@ export default defineComponent({
 				if (menu.length > 0) menu.push(null);
 				menu = menu.concat(props.menu);
 			}
-			popupMenu(menu, ev.currentTarget || ev.target);
+			popupMenu(menu, ev.currentTarget ?? ev.target);
 		};
 
 		const showTabsPopup = (ev: MouseEvent) => {
@@ -126,7 +126,7 @@ export default defineComponent({
 				icon: tab.icon,
 				action: tab.onClick,
 			}));
-			popupMenu(menu, ev.currentTarget || ev.target);
+			popupMenu(menu, ev.currentTarget ?? ev.target);
 		};
 
 		const preventDrag = (ev: TouchEvent) => {
diff --git a/packages/client/src/components/global/time.vue b/packages/client/src/components/global/time.vue
index d2788264c..5748d9de6 100644
--- a/packages/client/src/components/global/time.vue
+++ b/packages/client/src/components/global/time.vue
@@ -24,16 +24,16 @@ let now = $ref(new Date());
 const relative = $computed(() => {
 	const ago = (now.getTime() - _time.getTime()) / 1000/*ms*/;
 	return (
-		ago >= 31536000 ? i18n.t('_ago.yearsAgo',   { n: (~~(ago / 31536000)).toString() }) :
-		ago >= 2592000  ? i18n.t('_ago.monthsAgo',  { n: (~~(ago / 2592000)).toString() }) :
-		ago >= 604800   ? i18n.t('_ago.weeksAgo',   { n: (~~(ago / 604800)).toString() }) :
-		ago >= 86400    ? i18n.t('_ago.daysAgo',    { n: (~~(ago / 86400)).toString() }) :
-		ago >= 3600     ? i18n.t('_ago.hoursAgo',   { n: (~~(ago / 3600)).toString() }) :
+		ago >= 31536000 ? i18n.t('_ago.yearsAgo',   { n: Math.round(ago / 31536000).toString() }) :
+		ago >= 2592000  ? i18n.t('_ago.monthsAgo',  { n: Math.round(ago / 2592000).toString() }) :
+		ago >= 604800   ? i18n.t('_ago.weeksAgo',   { n: Math.round(ago / 604800).toString() }) :
+		ago >= 86400    ? i18n.t('_ago.daysAgo',    { n: Math.round(ago / 86400).toString() }) :
+		ago >= 3600     ? i18n.t('_ago.hoursAgo',   { n: Math.round(ago / 3600).toString() }) :
 		ago >= 60       ? i18n.t('_ago.minutesAgo', { n: (~~(ago / 60)).toString() }) :
 		ago >= 10       ? i18n.t('_ago.secondsAgo', { n: (~~(ago % 60)).toString() }) :
-		ago >= -1       ? i18n.locale._ago.justNow :
-		ago <  -1       ? i18n.locale._ago.future :
-		i18n.locale._ago.unknown);
+		ago >= -1       ? i18n.ts._ago.justNow :
+		ago <  -1       ? i18n.ts._ago.future :
+		i18n.ts._ago.unknown);
 });
 
 function tick() {
diff --git a/packages/client/src/components/media-image.vue b/packages/client/src/components/media-image.vue
index 3e2cabae0..43639f677 100644
--- a/packages/client/src/components/media-image.vue
+++ b/packages/client/src/components/media-image.vue
@@ -20,52 +20,32 @@
 </div>
 </template>
 
-<script lang="ts">
-import { defineComponent } from 'vue';
+<script lang="ts" setup>
+import { watch } from 'vue';
+import * as misskey from 'misskey-js';
 import { getStaticImageUrl } from '@/scripts/get-static-image-url';
 import ImgWithBlurhash from '@/components/img-with-blurhash.vue';
-import * as os from '@/os';
+import { defaultStore } from '@/store';
 
-export default defineComponent({
-	components: {
-		ImgWithBlurhash
-	},
-	props: {
-		image: {
-			type: Object,
-			required: true
-		},
-		raw: {
-			default: false
-		}
-	},
-	data() {
-		return {
-			hide: true,
-		};
-	},
-	computed: {
-		url(): any {
-			let url = this.$store.state.disableShowingAnimatedImages
-				? getStaticImageUrl(this.image.thumbnailUrl)
-				: this.image.thumbnailUrl;
+const props = defineProps<{
+	image: misskey.entities.DriveFile;
+	raw?: boolean;
+}>();
 
-			if (this.raw || this.$store.state.loadRawImages) {
-				url = this.image.url;
-			}
+let hide = $ref(true);
 
-			return url;
-		}
-	},
-	created() {
-		// Plugin:register_note_view_interruptor を使って書き換えられる可能性があるためwatchする
-		this.$watch('image', () => {
-			this.hide = (this.$store.state.nsfw === 'force') ? true : this.image.isSensitive && (this.$store.state.nsfw !== 'ignore');
-		}, {
-			deep: true,
-			immediate: true,
-		});
-	},
+const url = (props.raw || defaultStore.state.loadRawImages)
+	? props.image.url
+	: defaultStore.state.disableShowingAnimatedImages
+			? getStaticImageUrl(props.image.thumbnailUrl)
+			: props.image.thumbnailUrl;
+
+// Plugin:register_note_view_interruptor を使って書き換えられる可能性があるためwatchする
+watch(() => props.image, () => {
+	hide = (defaultStore.state.nsfw === 'force') ? true : props.image.isSensitive && (defaultStore.state.nsfw !== 'ignore');
+}, {
+	deep: true,
+	immediate: true,
 });
 </script>
 
diff --git a/packages/client/src/components/media-list.vue b/packages/client/src/components/media-list.vue
index efcbb1292..532627edb 100644
--- a/packages/client/src/components/media-list.vue
+++ b/packages/client/src/components/media-list.vue
@@ -12,8 +12,8 @@
 </div>
 </template>
 
-<script lang="ts">
-import { defineComponent, onMounted, PropType, ref } from 'vue';
+<script lang="ts" setup>
+import { onMounted, ref } from 'vue';
 import * as misskey from 'misskey-js';
 import PhotoSwipeLightbox from 'photoswipe/dist/photoswipe-lightbox.esm.js';
 import PhotoSwipe from 'photoswipe/dist/photoswipe.esm.js';
@@ -25,98 +25,80 @@ import * as os from '@/os';
 import { FILE_TYPE_BROWSERSAFE } from '@/const';
 import { defaultStore } from '@/store';
 
-export default defineComponent({
-	components: {
-		XBanner,
-		XImage,
-		XVideo,
-	},
-	props: {
-		mediaList: {
-			type: Array as PropType<misskey.entities.DriveFile[]>,
-			required: true,
-		},
-		raw: {
-			default: false
-		},
-	},
-	setup(props) {
-		const gallery = ref(null);
+const props = defineProps<{
+	mediaList: misskey.entities.DriveFile[];
+	raw?: boolean;
+}>();
 
-		onMounted(() => {
-			const lightbox = new PhotoSwipeLightbox({
-				dataSource: props.mediaList
-					.filter(media => {
-						if (media.type === 'image/svg+xml') return true; // svgのwebpublicはpngなのでtrue
-						return media.type.startsWith('image') && FILE_TYPE_BROWSERSAFE.includes(media.type);
-					})
-					.map(media => {
-						const item = {
-							src: media.url,
-							w: media.properties.width,
-							h: media.properties.height,
-							alt: media.name,
-						};
-						if (media.properties.orientation != null && media.properties.orientation >= 5) {
-							[item.w, item.h] = [item.h, item.w];
-						}
-						return item;
-					}),
-				gallery: gallery.value,
-				children: '.image',
-				thumbSelector: '.image',
-				loop: false,
-				padding: window.innerWidth > 500 ? {
-					top: 32,
-					bottom: 32,
-					left: 32,
-					right: 32,
-				} : {
-					top: 0,
-					bottom: 0,
-					left: 0,
-					right: 0,
-				},
-				imageClickAction: 'close',
-				tapAction: 'toggle-controls',
-				pswpModule: PhotoSwipe,
-			});
+const gallery = ref(null);
+const pswpZIndex = os.claimZIndex('middle');
 
-			lightbox.on('itemData', (e) => {
-				const { itemData } = e;
-
-				// element is children
-				const { element } = itemData;
-
-				const id = element.dataset.id;
-				const file = props.mediaList.find(media => media.id === id);
-
-				itemData.src = file.url;
-				itemData.w = Number(file.properties.width);
-				itemData.h = Number(file.properties.height);
-				if (file.properties.orientation != null && file.properties.orientation >= 5) {
-					[itemData.w, itemData.h] = [itemData.h, itemData.w];
+onMounted(() => {
+	const lightbox = new PhotoSwipeLightbox({
+		dataSource: props.mediaList
+			.filter(media => {
+				if (media.type === 'image/svg+xml') return true; // svgのwebpublicはpngなのでtrue
+				return media.type.startsWith('image') && FILE_TYPE_BROWSERSAFE.includes(media.type);
+			})
+			.map(media => {
+				const item = {
+					src: media.url,
+					w: media.properties.width,
+					h: media.properties.height,
+					alt: media.name,
+				};
+				if (media.properties.orientation != null && media.properties.orientation >= 5) {
+					[item.w, item.h] = [item.h, item.w];
 				}
-				itemData.msrc = file.thumbnailUrl;
-				itemData.thumbCropped = true;
-			});
+				return item;
+			}),
+		gallery: gallery.value,
+		children: '.image',
+		thumbSelector: '.image',
+		loop: false,
+		padding: window.innerWidth > 500 ? {
+			top: 32,
+			bottom: 32,
+			left: 32,
+			right: 32,
+		} : {
+			top: 0,
+			bottom: 0,
+			left: 0,
+			right: 0,
+		},
+		imageClickAction: 'close',
+		tapAction: 'toggle-controls',
+		pswpModule: PhotoSwipe,
+	});
 
-			lightbox.init();
-		});
+	lightbox.on('itemData', (ev) => {
+		const { itemData } = ev;
 
-		const previewable = (file: misskey.entities.DriveFile): boolean => {
-			if (file.type === 'image/svg+xml') return true; // svgのwebpublic/thumbnailはpngなのでtrue
-			// FILE_TYPE_BROWSERSAFEに適合しないものはブラウザで表示するのに不適切
-			return (file.type.startsWith('video') || file.type.startsWith('image')) && FILE_TYPE_BROWSERSAFE.includes(file.type);
-		};
+		// element is children
+		const { element } = itemData;
 
-		return {
-			previewable,
-			gallery,
-			pswpZIndex: os.claimZIndex('middle'),
-		};
-	},
+		const id = element.dataset.id;
+		const file = props.mediaList.find(media => media.id === id);
+
+		itemData.src = file.url;
+		itemData.w = Number(file.properties.width);
+		itemData.h = Number(file.properties.height);
+		if (file.properties.orientation != null && file.properties.orientation >= 5) {
+			[itemData.w, itemData.h] = [itemData.h, itemData.w];
+		}
+		itemData.msrc = file.thumbnailUrl;
+		itemData.thumbCropped = true;
+	});
+
+	lightbox.init();
 });
+
+const previewable = (file: misskey.entities.DriveFile): boolean => {
+	if (file.type === 'image/svg+xml') return true; // svgのwebpublic/thumbnailはpngなのでtrue
+	// FILE_TYPE_BROWSERSAFEに適合しないものはブラウザで表示するのに不適切
+	return (file.type.startsWith('video') || file.type.startsWith('image')) && FILE_TYPE_BROWSERSAFE.includes(file.type);
+};
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/client/src/components/note-detailed.vue b/packages/client/src/components/note-detailed.vue
index a3b30f726..5fc3a0f33 100644
--- a/packages/client/src/components/note-detailed.vue
+++ b/packages/client/src/components/note-detailed.vue
@@ -250,7 +250,7 @@ function menu(viaKeyboard = false): void {
 function showRenoteMenu(viaKeyboard = false): void {
 	if (!isMyRenote) return;
 	os.popupMenu([{
-		text: i18n.locale.unrenote,
+		text: i18n.ts.unrenote,
 		icon: 'fas fa-trash-alt',
 		danger: true,
 		action: () => {
diff --git a/packages/client/src/components/note.vue b/packages/client/src/components/note.vue
index fc89c2777..6c596fb60 100644
--- a/packages/client/src/components/note.vue
+++ b/packages/client/src/components/note.vue
@@ -10,13 +10,13 @@
 	:class="{ renote: isRenote }"
 >
 	<MkNoteSub v-if="appearNote.reply" :note="appearNote.reply" class="reply-to"/>
-	<div v-if="pinned" class="info"><i class="fas fa-thumbtack"></i> {{ i18n.locale.pinnedNote }}</div>
-	<div v-if="appearNote._prId_" class="info"><i class="fas fa-bullhorn"></i> {{ i18n.locale.promotion }}<button class="_textButton hide" @click="readPromo()">{{ i18n.locale.hideThisNote }} <i class="fas fa-times"></i></button></div>
-	<div v-if="appearNote._featuredId_" class="info"><i class="fas fa-bolt"></i> {{ i18n.locale.featured }}</div>
+	<div v-if="pinned" class="info"><i class="fas fa-thumbtack"></i> {{ i18n.ts.pinnedNote }}</div>
+	<div v-if="appearNote._prId_" class="info"><i class="fas fa-bullhorn"></i> {{ i18n.ts.promotion }}<button class="_textButton hide" @click="readPromo()">{{ i18n.ts.hideThisNote }} <i class="fas fa-times"></i></button></div>
+	<div v-if="appearNote._featuredId_" class="info"><i class="fas fa-bolt"></i> {{ i18n.ts.featured }}</div>
 	<div v-if="isRenote" class="renote">
 		<MkAvatar class="avatar" :user="note.user"/>
 		<i class="fas fa-retweet"></i>
-		<I18n :src="i18n.locale.renotedBy" tag="span">
+		<I18n :src="i18n.ts.renotedBy" tag="span">
 			<template #user>
 				<MkA v-user-preview="note.userId" class="name" :to="userPage(note.user)">
 					<MkUserName :user="note.user"/>
@@ -48,7 +48,7 @@
 				</p>
 				<div v-show="appearNote.cw == null || showContent" class="content" :class="{ collapsed }">
 					<div class="text">
-						<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ i18n.locale.private }})</span>
+						<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
 						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="fas fa-reply"></i></MkA>
 						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
 						<a v-if="appearNote.renote != null" class="rp">RN:</a>
@@ -67,7 +67,7 @@
 					<MkUrlPreview v-for="url in urls" :key="url" :url="url" :compact="true" :detail="false" class="url-preview"/>
 					<div v-if="appearNote.renote" class="renote"><XNoteSimple :note="appearNote.renote"/></div>
 					<button v-if="collapsed" class="fade _button" @click="collapsed = false">
-						<span>{{ i18n.locale.showMore }}</span>
+						<span>{{ i18n.ts.showMore }}</span>
 					</button>
 				</div>
 				<MkA v-if="appearNote.channel && !inChannel" class="channel" :to="`/channels/${appearNote.channel.id}`"><i class="fas fa-satellite-dish"></i> {{ appearNote.channel.name }}</MkA>
@@ -94,7 +94,7 @@
 	</article>
 </div>
 <div v-else class="muted" @click="muted = false">
-	<I18n :src="i18n.locale.userSaysSomething" tag="small">
+	<I18n :src="i18n.ts.userSaysSomething" tag="small">
 		<template #name>
 			<MkA v-user-preview="appearNote.userId" class="name" :to="userPage(appearNote.user)">
 				<MkUserName :user="appearNote.user"/>
@@ -238,7 +238,7 @@ function menu(viaKeyboard = false): void {
 function showRenoteMenu(viaKeyboard = false): void {
 	if (!isMyRenote) return;
 	os.popupMenu([{
-		text: i18n.locale.unrenote,
+		text: i18n.ts.unrenote,
 		icon: 'fas fa-trash-alt',
 		danger: true,
 		action: () => {
diff --git a/packages/client/src/components/page-window.vue b/packages/client/src/components/page-window.vue
index ec7451d5a..7455236ba 100644
--- a/packages/client/src/components/page-window.vue
+++ b/packages/client/src/components/page-window.vue
@@ -160,7 +160,7 @@ export default defineComponent({
 				action: () => {
 					copyToClipboard(this.url);
 				}
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		},
 
 		back() {
diff --git a/packages/client/src/components/post-form-attaches.vue b/packages/client/src/components/post-form-attaches.vue
index 0c8181b48..9dd69a0ee 100644
--- a/packages/client/src/components/post-form-attaches.vue
+++ b/packages/client/src/components/post-form-attaches.vue
@@ -127,7 +127,7 @@ export default defineComponent({
 				text: this.$ts.attachCancel,
 				icon: 'fas fa-times-circle',
 				action: () => { this.detachMedia(file.id) }
-			}], ev.currentTarget || ev.target).then(() => this.menu = null);
+			}], ev.currentTarget ?? ev.target).then(() => this.menu = null);
 		}
 	}
 });
diff --git a/packages/client/src/components/post-form.vue b/packages/client/src/components/post-form.vue
index ed78c5a3f..6db4d926d 100644
--- a/packages/client/src/components/post-form.vue
+++ b/packages/client/src/components/post-form.vue
@@ -8,28 +8,28 @@
 >
 	<header>
 		<button v-if="!fixed" class="cancel _button" @click="cancel"><i class="fas fa-times"></i></button>
-		<button v-click-anime v-tooltip="i18n.locale.switchAccount" class="account _button" @click="openAccountMenu">
+		<button v-click-anime v-tooltip="i18n.ts.switchAccount" class="account _button" @click="openAccountMenu">
 			<MkAvatar :user="postAccount ?? $i" class="avatar"/>
 		</button>
 		<div>
 			<span class="text-count" :class="{ over: textLength > maxTextLength }">{{ maxTextLength - textLength }}</span>
 			<span v-if="localOnly" class="local-only"><i class="fas fa-biohazard"></i></span>
-			<button ref="visibilityButton" v-tooltip="i18n.locale.visibility" class="_button visibility" :disabled="channel != null" @click="setVisibility">
+			<button ref="visibilityButton" v-tooltip="i18n.ts.visibility" class="_button visibility" :disabled="channel != null" @click="setVisibility">
 				<span v-if="visibility === 'public'"><i class="fas fa-globe"></i></span>
 				<span v-if="visibility === 'home'"><i class="fas fa-home"></i></span>
 				<span v-if="visibility === 'followers'"><i class="fas fa-unlock"></i></span>
 				<span v-if="visibility === 'specified'"><i class="fas fa-envelope"></i></span>
 			</button>
-			<button v-tooltip="i18n.locale.previewNoteText" class="_button preview" :class="{ active: showPreview }" @click="showPreview = !showPreview"><i class="fas fa-file-code"></i></button>
+			<button v-tooltip="i18n.ts.previewNoteText" class="_button preview" :class="{ active: showPreview }" @click="showPreview = !showPreview"><i class="fas fa-file-code"></i></button>
 			<button class="submit _buttonGradate" :disabled="!canPost" data-cy-open-post-form-submit @click="post">{{ submitText }}<i :class="reply ? 'fas fa-reply' : renote ? 'fas fa-quote-right' : 'fas fa-paper-plane'"></i></button>
 		</div>
 	</header>
 	<div class="form" :class="{ fixed }">
 		<XNoteSimple v-if="reply" class="preview" :note="reply"/>
 		<XNoteSimple v-if="renote" class="preview" :note="renote"/>
-		<div v-if="quoteId" class="with-quote"><i class="fas fa-quote-left"></i> {{ i18n.locale.quoteAttached }}<button @click="quoteId = null"><i class="fas fa-times"></i></button></div>
+		<div v-if="quoteId" class="with-quote"><i class="fas fa-quote-left"></i> {{ i18n.ts.quoteAttached }}<button @click="quoteId = null"><i class="fas fa-times"></i></button></div>
 		<div v-if="visibility === 'specified'" class="to-specified">
-			<span style="margin-right: 8px;">{{ i18n.locale.recipient }}</span>
+			<span style="margin-right: 8px;">{{ i18n.ts.recipient }}</span>
 			<div class="visibleUsers">
 				<span v-for="u in visibleUsers" :key="u.id">
 					<MkAcct :user="u"/>
@@ -38,21 +38,21 @@
 				<button class="_buttonPrimary" @click="addVisibleUser"><i class="fas fa-plus fa-fw"></i></button>
 			</div>
 		</div>
-		<MkInfo v-if="hasNotSpecifiedMentions" warn class="hasNotSpecifiedMentions">{{ i18n.locale.notSpecifiedMentionWarning }} - <button class="_textButton" @click="addMissingMention()">{{ i18n.locale.add }}</button></MkInfo>
-		<input v-show="useCw" ref="cwInputEl" v-model="cw" class="cw" :placeholder="i18n.locale.annotation" @keydown="onKeydown">
+		<MkInfo v-if="hasNotSpecifiedMentions" warn class="hasNotSpecifiedMentions">{{ i18n.ts.notSpecifiedMentionWarning }} - <button class="_textButton" @click="addMissingMention()">{{ i18n.ts.add }}</button></MkInfo>
+		<input v-show="useCw" ref="cwInputEl" v-model="cw" class="cw" :placeholder="i18n.ts.annotation" @keydown="onKeydown">
 		<textarea ref="textareaEl" v-model="text" class="text" :class="{ withCw: useCw }" :disabled="posting" :placeholder="placeholder" data-cy-post-form-text @keydown="onKeydown" @paste="onPaste" @compositionupdate="onCompositionUpdate" @compositionend="onCompositionEnd"/>
-		<input v-show="withHashtags" ref="hashtagsInputEl" v-model="hashtags" class="hashtags" :placeholder="i18n.locale.hashtags" list="hashtags">
+		<input v-show="withHashtags" ref="hashtagsInputEl" v-model="hashtags" class="hashtags" :placeholder="i18n.ts.hashtags" list="hashtags">
 		<XPostFormAttaches class="attaches" :files="files" @updated="updateFiles" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName"/>
 		<XPollEditor v-if="poll" v-model="poll" @destroyed="poll = null"/>
 		<XNotePreview v-if="showPreview" class="preview" :text="text"/>
 		<footer>
-			<button v-tooltip="i18n.locale.attachFile" class="_button" @click="chooseFileFrom"><i class="fas fa-photo-video"></i></button>
-			<button v-tooltip="i18n.locale.poll" class="_button" :class="{ active: poll }" @click="togglePoll"><i class="fas fa-poll-h"></i></button>
-			<button v-tooltip="i18n.locale.useCw" class="_button" :class="{ active: useCw }" @click="useCw = !useCw"><i class="fas fa-eye-slash"></i></button>
-			<button v-tooltip="i18n.locale.mention" class="_button" @click="insertMention"><i class="fas fa-at"></i></button>
-			<button v-tooltip="i18n.locale.hashtags" class="_button" :class="{ active: withHashtags }" @click="withHashtags = !withHashtags"><i class="fas fa-hashtag"></i></button>
-			<button v-tooltip="i18n.locale.emoji" class="_button" @click="insertEmoji"><i class="fas fa-laugh-squint"></i></button>
-			<button v-if="postFormActions.length > 0" v-tooltip="i18n.locale.plugin" class="_button" @click="showActions"><i class="fas fa-plug"></i></button>
+			<button v-tooltip="i18n.ts.attachFile" class="_button" @click="chooseFileFrom"><i class="fas fa-photo-video"></i></button>
+			<button v-tooltip="i18n.ts.poll" class="_button" :class="{ active: poll }" @click="togglePoll"><i class="fas fa-poll-h"></i></button>
+			<button v-tooltip="i18n.ts.useCw" class="_button" :class="{ active: useCw }" @click="useCw = !useCw"><i class="fas fa-eye-slash"></i></button>
+			<button v-tooltip="i18n.ts.mention" class="_button" @click="insertMention"><i class="fas fa-at"></i></button>
+			<button v-tooltip="i18n.ts.hashtags" class="_button" :class="{ active: withHashtags }" @click="withHashtags = !withHashtags"><i class="fas fa-hashtag"></i></button>
+			<button v-tooltip="i18n.ts.emoji" class="_button" @click="insertEmoji"><i class="fas fa-laugh-squint"></i></button>
+			<button v-if="postFormActions.length > 0" v-tooltip="i18n.ts.plugin" class="_button" @click="showActions"><i class="fas fa-plug"></i></button>
 		</footer>
 		<datalist id="hashtags">
 			<option v-for="hashtag in recentHashtags" :key="hashtag" :value="hashtag"/>
@@ -102,7 +102,7 @@ const props = withDefaults(defineProps<{
 	initialLocalOnly?: boolean;
 	initialVisibleUsers?: misskey.entities.User[];
 	initialNote?: misskey.entities.Note;
-	share?: boolean;
+	instant?: boolean;
 	fixed?: boolean;
 	autofocus?: boolean;
 }>(), {
@@ -165,19 +165,19 @@ const draftKey = $computed((): string => {
 
 const placeholder = $computed((): string => {
 	if (props.renote) {
-		return i18n.locale._postForm.quotePlaceholder;
+		return i18n.ts._postForm.quotePlaceholder;
 	} else if (props.reply) {
-		return i18n.locale._postForm.replyPlaceholder;
+		return i18n.ts._postForm.replyPlaceholder;
 	} else if (props.channel) {
-		return i18n.locale._postForm.channelPlaceholder;
+		return i18n.ts._postForm.channelPlaceholder;
 	} else {
 		const xs = [
-			i18n.locale._postForm._placeholders.a,
-			i18n.locale._postForm._placeholders.b,
-			i18n.locale._postForm._placeholders.c,
-			i18n.locale._postForm._placeholders.d,
-			i18n.locale._postForm._placeholders.e,
-			i18n.locale._postForm._placeholders.f
+			i18n.ts._postForm._placeholders.a,
+			i18n.ts._postForm._placeholders.b,
+			i18n.ts._postForm._placeholders.c,
+			i18n.ts._postForm._placeholders.d,
+			i18n.ts._postForm._placeholders.e,
+			i18n.ts._postForm._placeholders.f
 		];
 		return xs[Math.floor(Math.random() * xs.length)];
 	}
@@ -185,10 +185,10 @@ const placeholder = $computed((): string => {
 
 const submitText = $computed((): string => {
 	return props.renote
-		? i18n.locale.quote
+		? i18n.ts.quote
 		: props.reply
-			? i18n.locale.reply
-			: i18n.locale.note;
+			? i18n.ts.reply
+			: i18n.ts.note;
 });
 
 const textLength = $computed((): number => {
@@ -342,7 +342,7 @@ function focus() {
 }
 
 function chooseFileFrom(ev) {
-	selectFiles(ev.currentTarget || ev.target, i18n.locale.attachFile).then(files_ => {
+	selectFiles(ev.currentTarget ?? ev.target, i18n.ts.attachFile).then(files_ => {
 		for (const file of files_) {
 			files.push(file);
 		}
@@ -447,7 +447,7 @@ async function onPaste(e: ClipboardEvent) {
 
 		os.confirm({
 			type: 'info',
-			text: i18n.locale.quoteQuestion,
+			text: i18n.ts.quoteQuestion,
 		}).then(({ canceled }) => {
 			if (canceled) {
 				insertTextAtCursor(textareaEl, paste);
@@ -540,8 +540,8 @@ async function post() {
 	};
 
 	if (withHashtags && hashtags && hashtags.trim() !== '') {
-		const hashtags = hashtags.trim().split(' ').map(x => x.startsWith('#') ? x : '#' + x).join(' ');
-		data.text = data.text ? `${data.text} ${hashtags}` : hashtags;
+		const hashtags_ = hashtags.trim().split(' ').map(x => x.startsWith('#') ? x : '#' + x).join(' ');
+		data.text = data.text ? `${data.text} ${hashtags_}` : hashtags_;
 	}
 
 	// plugin
@@ -565,9 +565,9 @@ async function post() {
 			deleteDraft();
 			emit('posted');
 			if (data.text && data.text != '') {
-				const hashtags = mfm.parse(data.text).filter(x => x.type === 'hashtag').map(x => x.props.hashtag);
+				const hashtags_ = mfm.parse(data.text).filter(x => x.type === 'hashtag').map(x => x.props.hashtag);
 				const history = JSON.parse(localStorage.getItem('hashtags') || '[]') as string[];
-				localStorage.setItem('hashtags', JSON.stringify(unique(hashtags.concat(history))));
+				localStorage.setItem('hashtags', JSON.stringify(unique(hashtags_.concat(history))));
 			}
 			posting = false;
 			postAccount = null;
@@ -592,7 +592,7 @@ function insertMention() {
 }
 
 async function insertEmoji(ev: MouseEvent) {
-	os.openEmojiPicker(ev.currentTarget || ev.target, {}, textareaEl);
+	os.openEmojiPicker(ev.currentTarget ?? ev.target, {}, textareaEl);
 }
 
 function showActions(ev) {
@@ -605,7 +605,7 @@ function showActions(ev) {
 				if (key === 'text') { text = value; }
 			});
 		}
-	})), ev.currentTarget || ev.target);
+	})), ev.currentTarget ?? ev.target);
 }
 
 let postAccount = $ref<misskey.entities.UserDetailed | null>(null);
@@ -641,7 +641,7 @@ onMounted(() => {
 
 	nextTick(() => {
 		// 書きかけの投稿を復元
-		if (!props.share && !props.mention && !props.specified) {
+		if (!props.instant && !props.mention && !props.specified) {
 			const draft = JSON.parse(localStorage.getItem('drafts') || '{}')[draftKey];
 			if (draft) {
 				text = draft.data.text;
diff --git a/packages/client/src/components/renote-button.vue b/packages/client/src/components/renote-button.vue
index 446686de1..c1c0d285e 100644
--- a/packages/client/src/components/renote-button.vue
+++ b/packages/client/src/components/renote-button.vue
@@ -59,7 +59,7 @@ export default defineComponent({
 		const renote = (viaKeyboard = false) => {
 			pleaseLogin();
 			os.popupMenu([{
-				text: i18n.locale.renote,
+				text: i18n.ts.renote,
 				icon: 'fas fa-retweet',
 				action: () => {
 					os.api('notes/create', {
@@ -67,7 +67,7 @@ export default defineComponent({
 					});
 				}
 			}, {
-				text: i18n.locale.quote,
+				text: i18n.ts.quote,
 				icon: 'fas fa-quote-right',
 				action: () => {
 					os.post({
diff --git a/packages/client/src/components/sample.vue b/packages/client/src/components/sample.vue
index 03ad6a983..65249ff7e 100644
--- a/packages/client/src/components/sample.vue
+++ b/packages/client/src/components/sample.vue
@@ -109,7 +109,7 @@ export default defineComponent({
 				text: 'Delete some bananas',
 				danger: true,
 				action: () => {},
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		},
 	}
 });
diff --git a/packages/client/src/components/ui/modal.vue b/packages/client/src/components/ui/modal.vue
index c691c8c6d..3c3bb5c22 100644
--- a/packages/client/src/components/ui/modal.vue
+++ b/packages/client/src/components/ui/modal.vue
@@ -1,5 +1,5 @@
 <template>
-<transition :name="$store.state.animation ? (type === 'drawer') ? 'modal-drawer' : (type === 'popup') ? 'modal-popup' : 'modal' : ''" :duration="$store.state.animation ? 200 : 0" appear @after-leave="$emit('closed')" @enter="$emit('opening')" @after-enter="childRendered">
+<transition :name="$store.state.animation ? (type === 'drawer') ? 'modal-drawer' : (type === 'popup') ? 'modal-popup' : 'modal' : ''" :duration="$store.state.animation ? 200 : 0" appear @after-leave="emit('closed')" @enter="emit('opening')" @after-enter="childRendered">
 	<div v-show="manualShowing != null ? manualShowing : showing" v-hotkey.global="keymap" class="qzhlnise" :class="{ drawer: type === 'drawer', dialog: type === 'dialog' || type === 'dialog:top', popup: type === 'popup' }" :style="{ zIndex, pointerEvents: (manualShowing != null ? manualShowing : showing) ? 'auto' : 'none', '--transformOrigin': transformOrigin }">
 		<div class="bg _modalBg" :class="{ transparent: transparentBg && (type === 'popup') }" :style="{ zIndex }" @click="onBgClick" @contextmenu.prevent.stop="() => {}"></div>
 		<div ref="content" class="content" :class="{ fixed, top: type === 'dialog:top' }" :style="{ zIndex }" @click.self="onBgClick">
@@ -9,8 +9,8 @@
 </transition>
 </template>
 
-<script lang="ts">
-import { defineComponent, nextTick, onMounted, computed, PropType, ref, watch } from 'vue';
+<script lang="ts" setup>
+import { nextTick, onMounted, computed, ref, watch, provide } from 'vue';
 import * as os from '@/os';
 import { isTouchUsing } from '@/scripts/touch';
 import { defaultStore } from '@/store';
@@ -25,234 +25,206 @@ function getFixedContainer(el: Element | null): Element | null {
 	}
 }
 
-export default defineComponent({
-	provide: {
-		modal: true
-	},
+type ModalTypes = 'popup' | 'dialog' | 'dialog:top' | 'drawer';
 
-	props: {
-		manualShowing: {
-			type: Boolean,
-			required: false,
-			default: null,
-		},
-		srcCenter: {
-			type: Boolean,
-			required: false
-		},
-		src: {
-			type: Object as PropType<HTMLElement>,
-			required: false,
-			default: null,
-		},
-		preferType: {
-			required: false,
-			type: String,
-			default: 'auto',
-		},
-		zPriority: {
-			type: String as PropType<'low' | 'middle' | 'high'>,
-			required: false,
-			default: 'low',
-		},
-		noOverlap: {
-			type: Boolean,
-			required: false,
-			default: true,
-		},
-		transparentBg: {
-			type: Boolean,
-			required: false,
-			default: false,
-		},
-	},
+const props = withDefaults(defineProps<{
+	manualShowing?: boolean | null;
+	srcCenter?: boolean;
+	src?: HTMLElement;
+	preferType?: ModalTypes | 'auto';
+	zPriority?: 'low' | 'middle' | 'high';
+	noOverlap?: boolean;
+	transparentBg?: boolean;
+}>(), {
+	manualShowing: null,
+	src: null,
+	preferType: 'auto',
+	zPriority: 'low',
+	noOverlap: true,
+	transparentBg: false,
+});
 
-	emits: ['opening', 'click', 'esc', 'close', 'closed'],
+const emit = defineEmits<{
+	(ev: 'opening'): void;
+	(ev: 'click'): void;
+	(ev: 'esc'): void;
+	(ev: 'close'): void;
+	(ev: 'closed'): void;
+}>();
 
-	setup(props, context) {
-		const maxHeight = ref<number>();
-		const fixed = ref(false);
-		const transformOrigin = ref('center');
-		const showing = ref(true);
-		const content = ref<HTMLElement>();
-		const zIndex = os.claimZIndex(props.zPriority);
-		const type = computed(() => {
-			if (props.preferType === 'auto') {
-				if (!defaultStore.state.disableDrawer && isTouchUsing && window.innerWidth < 500 && window.innerHeight < 1000) {
-					return 'drawer';
-				} else {
-					return props.src != null ? 'popup' : 'dialog';
-				}
-			} else {
-				return props.preferType;
-			}
-		});
-		
-		let contentClicking = false;
+provide('modal', true);
 
-		const close = () => {
-			// eslint-disable-next-line vue/no-mutating-props
-			if (props.src) props.src.style.pointerEvents = 'auto';
-			showing.value = false;
-			context.emit('close');
-		};
+const maxHeight = ref<number>();
+const fixed = ref(false);
+const transformOrigin = ref('center');
+const showing = ref(true);
+const content = ref<HTMLElement>();
+const zIndex = os.claimZIndex(props.zPriority);
+const type = computed(() => {
+	if (props.preferType === 'auto') {
+		if (!defaultStore.state.disableDrawer && isTouchUsing && window.innerWidth < 500 && window.innerHeight < 1000) {
+			return 'drawer';
+		} else {
+			return props.src != null ? 'popup' : 'dialog';
+		}
+	} else {
+		return props.preferType!;
+	}
+});
 
-		const onBgClick = () => {
-			if (contentClicking) return;
-			context.emit('click');
-		};
+let contentClicking = false;
 
-		if (type.value === 'drawer') {
-			maxHeight.value = window.innerHeight / 2;
+const close = () => {
+	// eslint-disable-next-line vue/no-mutating-props
+	if (props.src) props.src.style.pointerEvents = 'auto';
+	showing.value = false;
+	emit('close');
+};
+
+const onBgClick = () => {
+	if (contentClicking) return;
+	emit('click');
+};
+
+if (type.value === 'drawer') {
+	maxHeight.value = window.innerHeight / 2;
+}
+
+const keymap = {
+	'esc': () => emit('esc'),
+};
+
+const MARGIN = 16;
+
+const align = () => {
+	if (props.src == null) return;
+	if (type.value === 'drawer') return;
+
+	const popover = content.value!;
+
+	if (popover == null) return;
+
+	const rect = props.src.getBoundingClientRect();
+	
+	const width = popover.offsetWidth;
+	const height = popover.offsetHeight;
+
+	let left;
+	let top;
+
+	if (props.srcCenter) {
+		const x = rect.left + (fixed.value ? 0 : window.pageXOffset) + (props.src.offsetWidth / 2);
+		const y = rect.top + (fixed.value ? 0 : window.pageYOffset) + (props.src.offsetHeight / 2);
+		left = (x - (width / 2));
+		top = (y - (height / 2));
+	} else {
+		const x = rect.left + (fixed.value ? 0 : window.pageXOffset) + (props.src.offsetWidth / 2);
+		const y = rect.top + (fixed.value ? 0 : window.pageYOffset) + props.src.offsetHeight;
+		left = (x - (width / 2));
+		top = y;
+	}
+
+	if (fixed.value) {
+		// 画面から横にはみ出る場合
+		if (left + width > window.innerWidth) {
+			left = window.innerWidth - width;
 		}
 
-		const keymap = {
-			'esc': () => context.emit('esc'),
-		};
-
-		const MARGIN = 16;
-
-		const align = () => {
-			if (props.src == null) return;
-			if (type.value === 'drawer') return;
-
-			const popover = content.value!;
-
-			if (popover == null) return;
-
-			const rect = props.src.getBoundingClientRect();
-			
-			const width = popover.offsetWidth;
-			const height = popover.offsetHeight;
-
-			let left;
-			let top;
-
-			if (props.srcCenter) {
-				const x = rect.left + (fixed.value ? 0 : window.pageXOffset) + (props.src.offsetWidth / 2);
-				const y = rect.top + (fixed.value ? 0 : window.pageYOffset) + (props.src.offsetHeight / 2);
-				left = (x - (width / 2));
-				top = (y - (height / 2));
-			} else {
-				const x = rect.left + (fixed.value ? 0 : window.pageXOffset) + (props.src.offsetWidth / 2);
-				const y = rect.top + (fixed.value ? 0 : window.pageYOffset) + props.src.offsetHeight;
-				left = (x - (width / 2));
-				top = y;
-			}
-
-			if (fixed.value) {
-				// 画面から横にはみ出る場合
-				if (left + width > window.innerWidth) {
-					left = window.innerWidth - width;
-				}
-
-				// 画面から縦にはみ出る場合
-				if (top + height > (window.innerHeight - MARGIN)) {
-					if (props.noOverlap) {
-						const underSpace = (window.innerHeight - MARGIN) - top;
-						const upperSpace = (rect.top - MARGIN);
-						if (underSpace >= (upperSpace / 3)) {
-							maxHeight.value =  underSpace;
-						} else {
-							maxHeight.value =  upperSpace;
-							top = (upperSpace + MARGIN) - height;
-						}
-					} else {
-						top = (window.innerHeight - MARGIN) - height;
-					}
+		// 画面から縦にはみ出る場合
+		if (top + height > (window.innerHeight - MARGIN)) {
+			if (props.noOverlap) {
+				const underSpace = (window.innerHeight - MARGIN) - top;
+				const upperSpace = (rect.top - MARGIN);
+				if (underSpace >= (upperSpace / 3)) {
+					maxHeight.value =  underSpace;
+				} else {
+					maxHeight.value =  upperSpace;
+					top = (upperSpace + MARGIN) - height;
 				}
 			} else {
-				// 画面から横にはみ出る場合
-				if (left + width - window.pageXOffset > window.innerWidth) {
-					left = window.innerWidth - width + window.pageXOffset - 1;
+				top = (window.innerHeight - MARGIN) - height;
+			}
+		}
+	} else {
+		// 画面から横にはみ出る場合
+		if (left + width - window.pageXOffset > window.innerWidth) {
+			left = window.innerWidth - width + window.pageXOffset - 1;
+		}
+
+		// 画面から縦にはみ出る場合
+		if (top + height - window.pageYOffset > (window.innerHeight - MARGIN)) {
+			if (props.noOverlap) {
+				const underSpace = (window.innerHeight - MARGIN) - (top - window.pageYOffset);
+				const upperSpace = (rect.top - MARGIN);
+				if (underSpace >= (upperSpace / 3)) {
+					maxHeight.value =  underSpace;
+				} else {
+					maxHeight.value =  upperSpace;
+					top = window.pageYOffset + ((upperSpace + MARGIN) - height);
 				}
-
-				// 画面から縦にはみ出る場合
-				if (top + height - window.pageYOffset > (window.innerHeight - MARGIN)) {
-					if (props.noOverlap) {
-						const underSpace = (window.innerHeight - MARGIN) - (top - window.pageYOffset);
-						const upperSpace = (rect.top - MARGIN);
-						if (underSpace >= (upperSpace / 3)) {
-							maxHeight.value =  underSpace;
-						} else {
-							maxHeight.value =  upperSpace;
-							top = window.pageYOffset + ((upperSpace + MARGIN) - height);
-						}
-					} else {
-						top = (window.innerHeight - MARGIN) - height + window.pageYOffset - 1;
-					}
-				}
-			}
-
-			if (top < 0) {
-				top = MARGIN;
-			}
-
-			if (left < 0) {
-				left = 0;
-			}
-
-			if (top > rect.top + (fixed.value ? 0 : window.pageYOffset)) {
-				transformOrigin.value = 'center top';
-			} else if ((top + height) <= rect.top + (fixed.value ? 0 : window.pageYOffset)) {
-				transformOrigin.value = 'center bottom';
 			} else {
-				transformOrigin.value = 'center';
+				top = (window.innerHeight - MARGIN) - height + window.pageYOffset - 1;
 			}
+		}
+	}
 
-			popover.style.left = left + 'px';
-			popover.style.top = top + 'px';
-		};
+	if (top < 0) {
+		top = MARGIN;
+	}
 
-		const childRendered = () => {
-			// モーダルコンテンツにマウスボタンが押され、コンテンツ外でマウスボタンが離されたときにモーダルバックグラウンドクリックと判定させないためにマウスイベントを監視しフラグ管理する
-			const el = content.value!.children[0];
-			el.addEventListener('mousedown', e => {
-				contentClicking = true;
-				window.addEventListener('mouseup', e => {
-					// click イベントより先に mouseup イベントが発生するかもしれないのでちょっと待つ
-					window.setTimeout(() => {
-						contentClicking = false;
-					}, 100);
-				}, { passive: true, once: true });
-			}, { passive: true });
-		};
+	if (left < 0) {
+		left = 0;
+	}
 
-		onMounted(() => {
-			watch(() => props.src, async () => {
-				if (props.src) {
-					// eslint-disable-next-line vue/no-mutating-props
-					props.src.style.pointerEvents = 'none';
-				}
-				fixed.value = (type.value === 'drawer') || (getFixedContainer(props.src) != null);
+	if (top > rect.top + (fixed.value ? 0 : window.pageYOffset)) {
+		transformOrigin.value = 'center top';
+	} else if ((top + height) <= rect.top + (fixed.value ? 0 : window.pageYOffset)) {
+		transformOrigin.value = 'center bottom';
+	} else {
+		transformOrigin.value = 'center';
+	}
 
-				await nextTick()
-				
-				align();
-			}, { immediate: true, });
+	popover.style.left = left + 'px';
+	popover.style.top = top + 'px';
+};
 
-			nextTick(() => {
-				const popover = content.value;
-				new ResizeObserver((entries, observer) => {
-					align();
-				}).observe(popover!);
-			});
-		});
+const childRendered = () => {
+	// モーダルコンテンツにマウスボタンが押され、コンテンツ外でマウスボタンが離されたときにモーダルバックグラウンドクリックと判定させないためにマウスイベントを監視しフラグ管理する
+	const el = content.value!.children[0];
+	el.addEventListener('mousedown', ev => {
+		contentClicking = true;
+		window.addEventListener('mouseup', ev => {
+			// click イベントより先に mouseup イベントが発生するかもしれないのでちょっと待つ
+			window.setTimeout(() => {
+				contentClicking = false;
+			}, 100);
+		}, { passive: true, once: true });
+	}, { passive: true });
+};
 
-		return {
-			showing,
-			type,
-			fixed,
-			content,
-			transformOrigin,
-			maxHeight,
-			close,
-			zIndex,
-			keymap,
-			onBgClick,
-			childRendered,
-		};
-	},
+onMounted(() => {
+	watch(() => props.src, async () => {
+		if (props.src) {
+			// eslint-disable-next-line vue/no-mutating-props
+			props.src.style.pointerEvents = 'none';
+		}
+		fixed.value = (type.value === 'drawer') || (getFixedContainer(props.src) != null);
+
+		await nextTick()
+		
+		align();
+	}, { immediate: true, });
+
+	nextTick(() => {
+		const popover = content.value;
+		new ResizeObserver((entries, observer) => {
+			align();
+		}).observe(popover!);
+	});
+});
+
+defineExpose({
+	close,
 });
 </script>
 
diff --git a/packages/client/src/components/ui/tooltip.vue b/packages/client/src/components/ui/tooltip.vue
index 394b06835..e2721ed69 100644
--- a/packages/client/src/components/ui/tooltip.vue
+++ b/packages/client/src/components/ui/tooltip.vue
@@ -1,99 +1,82 @@
 <template>
-<transition :name="$store.state.animation ? 'tooltip' : ''" appear @after-leave="$emit('closed')">
+<transition :name="$store.state.animation ? 'tooltip' : ''" appear @after-leave="emit('closed')">
 	<div v-show="showing" ref="el" class="buebdbiu _acrylic _shadow" :style="{ zIndex, maxWidth: maxWidth + 'px' }">
 		<slot>{{ text }}</slot>
 	</div>
 </transition>
 </template>
 
-<script lang="ts">
-import { defineComponent, nextTick, onMounted, onUnmounted, ref } from 'vue';
+<script lang="ts" setup>
+import { nextTick, onMounted, onUnmounted, ref } from 'vue';
 import * as os from '@/os';
 
-export default defineComponent({
-	props: {
-		showing: {
-			type: Boolean,
-			required: true,
-		},
-		source: {
-			required: true,
-		},
-		text: {
-			type: String,
-			required: false
-		},
-		maxWidth: {
-			type: Number,
-			required: false,
-			default: 250,
-		},
-	},
+const props = withDefaults(defineProps<{
+	showing: boolean;
+	source: HTMLElement;
+	text?: string;
+	maxWidth?; number;
+}>(), {
+	maxWidth: 250,
+});
 
-	emits: ['closed'],
+const emit = defineEmits<{
+	(ev: 'closed'): void;
+}>();
 
-	setup(props, context) {
-		const el = ref<HTMLElement>();
-		const zIndex = os.claimZIndex('high');
+const el = ref<HTMLElement>();
+const zIndex = os.claimZIndex('high');
 
-		const setPosition = () => {
-			if (el.value == null) return;
+const setPosition = () => {
+	if (el.value == null) return;
 
-			const rect = props.source.getBoundingClientRect();
+	const rect = props.source.getBoundingClientRect();
 
-			const contentWidth = el.value.offsetWidth;
-			const contentHeight = el.value.offsetHeight;
+	const contentWidth = el.value.offsetWidth;
+	const contentHeight = el.value.offsetHeight;
 
-			let left = rect.left + window.pageXOffset + (props.source.offsetWidth / 2);
-			let top = rect.top + window.pageYOffset - contentHeight;
+	let left = rect.left + window.pageXOffset + (props.source.offsetWidth / 2);
+	let top = rect.top + window.pageYOffset - contentHeight;
 
-			left -= (el.value.offsetWidth / 2);
+	left -= (el.value.offsetWidth / 2);
 
-			if (left + contentWidth - window.pageXOffset > window.innerWidth) {
-				left = window.innerWidth - contentWidth + window.pageXOffset - 1;
-			}
+	if (left + contentWidth - window.pageXOffset > window.innerWidth) {
+		left = window.innerWidth - contentWidth + window.pageXOffset - 1;
+	}
 
-			if (top - window.pageYOffset < 0) {
-				top = rect.top + window.pageYOffset + props.source.offsetHeight;
-				el.value.style.transformOrigin = 'center top';
-			}
+	if (top - window.pageYOffset < 0) {
+		top = rect.top + window.pageYOffset + props.source.offsetHeight;
+		el.value.style.transformOrigin = 'center top';
+	}
 
-			el.value.style.left = left + 'px';
-			el.value.style.top = top + 'px';
-		};
+	el.value.style.left = left + 'px';
+	el.value.style.top = top + 'px';
+};
 
-		onMounted(() => {
-			nextTick(() => {
-				if (props.source == null) {
-					context.emit('closed');
-					return;
-				}
+onMounted(() => {
+	nextTick(() => {
+		if (props.source == null) {
+			emit('closed');
+			return;
+		}
 
+		setPosition();
+
+		let loopHandler;
+
+		const loop = () => {
+			loopHandler = window.requestAnimationFrame(() => {
 				setPosition();
-
-				let loopHandler;
-
-				const loop = () => {
-					loopHandler = window.requestAnimationFrame(() => {
-						setPosition();
-						loop();
-					});
-				};
-
 				loop();
-
-				onUnmounted(() => {
-					window.cancelAnimationFrame(loopHandler);
-				});
 			});
-		});
-
-		return {
-			el,
-			zIndex,
 		};
-	},
-})
+
+		loop();
+
+		onUnmounted(() => {
+			window.cancelAnimationFrame(loopHandler);
+		});
+	});
+});
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/client/src/components/user-online-indicator.vue b/packages/client/src/components/user-online-indicator.vue
index a87b0aeff..a4f6f8038 100644
--- a/packages/client/src/components/user-online-indicator.vue
+++ b/packages/client/src/components/user-online-indicator.vue
@@ -13,10 +13,10 @@ const props = defineProps<{
 
 const text = $computed(() => {
 	switch (props.user.onlineStatus) {
-		case 'online': return i18n.locale.online;
-		case 'active': return i18n.locale.active;
-		case 'offline': return i18n.locale.offline;
-		case 'unknown': return i18n.locale.unknown;
+		case 'online': return i18n.ts.online;
+		case 'active': return i18n.ts.active;
+		case 'offline': return i18n.ts.offline;
+		case 'unknown': return i18n.ts.unknown;
 	}
 });
 </script>
diff --git a/packages/client/src/init.ts b/packages/client/src/init.ts
index af70aec70..81e41febd 100644
--- a/packages/client/src/init.ts
+++ b/packages/client/src/init.ts
@@ -185,7 +185,7 @@ app.config.globalProperties = {
 	$store: defaultStore,
 	$instance: instance,
 	$t: i18n.t,
-	$ts: i18n.locale,
+	$ts: i18n.ts,
 };
 
 app.use(router);
@@ -299,8 +299,8 @@ stream.on('_disconnected_', async () => {
 		reloadDialogShowing = true;
 		const { canceled } = await confirm({
 			type: 'warning',
-			title: i18n.locale.disconnectedFromServer,
-			text: i18n.locale.reloadConfirm,
+			title: i18n.ts.disconnectedFromServer,
+			text: i18n.ts.reloadConfirm,
 		});
 		reloadDialogShowing = false;
 		if (!canceled) {
@@ -324,7 +324,7 @@ if ($i) {
 	if ($i.isDeleted) {
 		alert({
 			type: 'warning',
-			text: i18n.locale.accountDeletionInProgress,
+			text: i18n.ts.accountDeletionInProgress,
 		});
 	}
 
diff --git a/packages/client/src/menu.ts b/packages/client/src/menu.ts
index 184779f21..ebc789810 100644
--- a/packages/client/src/menu.ts
+++ b/packages/client/src/menu.ts
@@ -73,12 +73,12 @@ export const menuDef = reactive({
 				})), null, {
 					type: 'link',
 					to: '/my/lists',
-					text: i18n.locale.manageLists,
+					text: i18n.ts.manageLists,
 					icon: 'fas fa-cog',
 				}];
 				items.value = _items;
 			});
-			os.popupMenu(items, ev.currentTarget || ev.target);
+			os.popupMenu(items, ev.currentTarget ?? ev.target);
 		},
 	},
 	groups: {
@@ -104,12 +104,12 @@ export const menuDef = reactive({
 				})), null, {
 					type: 'link',
 					to: '/my/antennas',
-					text: i18n.locale.manageAntennas,
+					text: i18n.ts.manageAntennas,
 					icon: 'fas fa-cog',
 				}];
 				items.value = _items;
 			});
-			os.popupMenu(items, ev.currentTarget || ev.target);
+			os.popupMenu(items, ev.currentTarget ?? ev.target);
 		},
 	},
 	mentions: {
@@ -173,34 +173,34 @@ export const menuDef = reactive({
 		icon: 'fas fa-columns',
 		action: (ev) => {
 			os.popupMenu([{
-				text: i18n.locale.default,
+				text: i18n.ts.default,
 				active: ui === 'default' || ui === null,
 				action: () => {
 					localStorage.setItem('ui', 'default');
 					unisonReload();
 				}
 			}, {
-				text: i18n.locale.deck,
+				text: i18n.ts.deck,
 				active: ui === 'deck',
 				action: () => {
 					localStorage.setItem('ui', 'deck');
 					unisonReload();
 				}
 			}, {
-				text: i18n.locale.classic,
+				text: i18n.ts.classic,
 				active: ui === 'classic',
 				action: () => {
 					localStorage.setItem('ui', 'classic');
 					unisonReload();
 				}
 			}, /*{
-				text: i18n.locale.desktop + ' (β)',
+				text: i18n.ts.desktop + ' (β)',
 				active: ui === 'desktop',
 				action: () => {
 					localStorage.setItem('ui', 'desktop');
 					unisonReload();
 				}
-			}*/], ev.currentTarget || ev.target);
+			}*/], ev.currentTarget ?? ev.target);
 		},
 	},
 });
diff --git a/packages/client/src/os.ts b/packages/client/src/os.ts
index c16ea717a..f3be5c68f 100644
--- a/packages/client/src/os.ts
+++ b/packages/client/src/os.ts
@@ -403,7 +403,7 @@ export async function selectDriveFolder(multiple: boolean) {
 	});
 }
 
-export async function pickEmoji(src?: HTMLElement, opts) {
+export async function pickEmoji(src: HTMLElement | null, opts) {
 	return new Promise((resolve, reject) => {
 		popup(import('@/components/emoji-picker-dialog.vue'), {
 			src,
diff --git a/packages/client/src/pages/_error_.vue b/packages/client/src/pages/_error_.vue
index 754099570..4cfe2e255 100644
--- a/packages/client/src/pages/_error_.vue
+++ b/packages/client/src/pages/_error_.vue
@@ -3,15 +3,15 @@
 <transition :name="$store.state.animation ? 'zoom' : ''" appear>
 	<div v-show="loaded" class="mjndxjch">
 		<img src="https://xn--931a.moe/assets/error.jpg" class="_ghost"/>
-		<p><b><i class="fas fa-exclamation-triangle"></i> {{ i18n.locale.pageLoadError }}</b></p>
-		<p v-if="meta && (version === meta.version)">{{ i18n.locale.pageLoadErrorDescription }}</p>
-		<p v-else-if="serverIsDead">{{ i18n.locale.serverIsDead }}</p>
+		<p><b><i class="fas fa-exclamation-triangle"></i> {{ i18n.ts.pageLoadError }}</b></p>
+		<p v-if="meta && (version === meta.version)">{{ i18n.ts.pageLoadErrorDescription }}</p>
+		<p v-else-if="serverIsDead">{{ i18n.ts.serverIsDead }}</p>
 		<template v-else>
-			<p>{{ i18n.locale.newVersionOfClientAvailable }}</p>
-			<p>{{ i18n.locale.youShouldUpgradeClient }}</p>
-			<MkButton class="button primary" @click="reload">{{ i18n.locale.reload }}</MkButton>
+			<p>{{ i18n.ts.newVersionOfClientAvailable }}</p>
+			<p>{{ i18n.ts.youShouldUpgradeClient }}</p>
+			<MkButton class="button primary" @click="reload">{{ i18n.ts.reload }}</MkButton>
 		</template>
-		<p><MkA to="/docs/general/troubleshooting" class="_link">{{ i18n.locale.troubleshooting }}</MkA></p>
+		<p><MkA to="/docs/general/troubleshooting" class="_link">{{ i18n.ts.troubleshooting }}</MkA></p>
 		<p v-if="error" class="error">ERROR: {{ error }}</p>
 	</div>
 </transition>
@@ -54,7 +54,7 @@ function reload() {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.error,
+		title: i18n.ts.error,
 		icon: 'fas fa-exclamation-triangle',
 	},
 });
diff --git a/packages/client/src/pages/about-misskey.vue b/packages/client/src/pages/about-misskey.vue
index 8119f3305..0ffb6b9e1 100644
--- a/packages/client/src/pages/about-misskey.vue
+++ b/packages/client/src/pages/about-misskey.vue
@@ -10,7 +10,7 @@
 				<span v-for="emoji in easterEggEmojis" :key="emoji.id" class="emoji" :data-physics-x="emoji.left" :data-physics-y="emoji.top" :class="{ _physics_circle_: !emoji.emoji.startsWith(':') }"><MkEmoji class="emoji" :emoji="emoji.emoji" :custom-emojis="$instance.emojis" :is-reaction="false" :normal="true" :no-style="true"/></span>
 			</div>
 			<div class="_formBlock" style="text-align: center;">
-				{{ i18n.locale._aboutMisskey.about }}<br><a href="https://misskey-hub.net/docs/misskey.html" target="_blank" class="_link">{{ i18n.locale.learnMore }}</a>
+				{{ i18n.ts._aboutMisskey.about }}<br><a href="https://misskey-hub.net/docs/misskey.html" target="_blank" class="_link">{{ i18n.ts.learnMore }}</a>
 			</div>
 			<div class="_formBlock" style="text-align: center;">
 				<MkButton primary rounded inline @click="iLoveMisskey">I <Mfm text="$[jelly ❤]"/> #Misskey</MkButton>
@@ -19,23 +19,23 @@
 				<div class="_formLinks">
 					<FormLink to="https://github.com/misskey-dev/misskey" external>
 						<template #icon><i class="fas fa-code"></i></template>
-						{{ i18n.locale._aboutMisskey.source }}
+						{{ i18n.ts._aboutMisskey.source }}
 						<template #suffix>GitHub</template>
 					</FormLink>
 					<FormLink to="https://crowdin.com/project/misskey" external>
 						<template #icon><i class="fas fa-language"></i></template>
-						{{ i18n.locale._aboutMisskey.translation }}
+						{{ i18n.ts._aboutMisskey.translation }}
 						<template #suffix>Crowdin</template>
 					</FormLink>
 					<FormLink to="https://www.patreon.com/syuilo" external>
 						<template #icon><i class="fas fa-hand-holding-medical"></i></template>
-						{{ i18n.locale._aboutMisskey.donate }}
+						{{ i18n.ts._aboutMisskey.donate }}
 						<template #suffix>Patreon</template>
 					</FormLink>
 				</div>
 			</FormSection>
 			<FormSection>
-				<template #label>{{ i18n.locale._aboutMisskey.contributors }}</template>
+				<template #label>{{ i18n.ts._aboutMisskey.contributors }}</template>
 				<div class="_formLinks">
 					<FormLink to="https://github.com/syuilo" external>@syuilo</FormLink>
 					<FormLink to="https://github.com/AyaMorisawa" external>@AyaMorisawa</FormLink>
@@ -47,12 +47,12 @@
 					<FormLink to="https://github.com/u1-liquid" external>@u1-liquid</FormLink>
 					<FormLink to="https://github.com/marihachi" external>@marihachi</FormLink>
 				</div>
-				<template #caption><MkLink url="https://github.com/misskey-dev/misskey/graphs/contributors">{{ i18n.locale._aboutMisskey.allContributors }}</MkLink></template>
+				<template #caption><MkLink url="https://github.com/misskey-dev/misskey/graphs/contributors">{{ i18n.ts._aboutMisskey.allContributors }}</MkLink></template>
 			</FormSection>
 			<FormSection>
-				<template #label><Mfm text="$[jelly ❤]"/> {{ i18n.locale._aboutMisskey.patrons }}</template>
+				<template #label><Mfm text="$[jelly ❤]"/> {{ i18n.ts._aboutMisskey.patrons }}</template>
 				<div v-for="patron in patrons" :key="patron">{{ patron }}</div>
-				<template #caption>{{ i18n.locale._aboutMisskey.morePatrons }}</template>
+				<template #caption>{{ i18n.ts._aboutMisskey.morePatrons }}</template>
 			</FormSection>
 		</div>
 	</MkSpacer>
@@ -182,6 +182,7 @@ function gravity() {
 function iLoveMisskey() {
 	os.post({
 		initialText: 'I $[jelly ❤] #Misskey',
+		instant: true,
 	});
 }
 
@@ -193,7 +194,7 @@ onBeforeUnmount(() => {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.aboutMisskey,
+		title: i18n.ts.aboutMisskey,
 		icon: null,
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/about.vue b/packages/client/src/pages/about.vue
index a5984c548..d5bab4baf 100644
--- a/packages/client/src/pages/about.vue
+++ b/packages/client/src/pages/about.vue
@@ -90,7 +90,7 @@ const initStats = () => os.api('stats', {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.instanceInfo,
+		title: i18n.ts.instanceInfo,
 		icon: 'fas fa-info-circle',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/admin/emojis.vue b/packages/client/src/pages/admin/emojis.vue
index 5b1dfe565..a080ee9c2 100644
--- a/packages/client/src/pages/admin/emojis.vue
+++ b/packages/client/src/pages/admin/emojis.vue
@@ -118,7 +118,7 @@ const toggleSelect = (emoji) => {
 };
 
 const add = async (ev: MouseEvent) => {
-	const files = await selectFiles(ev.currentTarget || ev.target, null);
+	const files = await selectFiles(ev.currentTarget ?? ev.target, null);
 
 	const promise = Promise.all(files.map(file => os.api('admin/emoji/add', {
 		fileId: file.id,
@@ -157,23 +157,23 @@ const remoteMenu = (emoji, ev: MouseEvent) => {
 		type: 'label',
 		text: ':' + emoji.name + ':',
 	}, {
-		text: i18n.locale.import,
+		text: i18n.ts.import,
 		icon: 'fas fa-plus',
 		action: () => { im(emoji) }
-	}], ev.currentTarget || ev.target);
+	}], ev.currentTarget ?? ev.target);
 };
 
 const menu = (ev: MouseEvent) => {
 	os.popupMenu([{
 		icon: 'fas fa-download',
-		text: i18n.locale.export,
+		text: i18n.ts.export,
 		action: async () => {
 			os.api('export-custom-emojis', {
 			})
 			.then(() => {
 				os.alert({
 					type: 'info',
-					text: i18n.locale.exportRequested,
+					text: i18n.ts.exportRequested,
 				});
 			}).catch((e) => {
 				os.alert({
@@ -184,16 +184,16 @@ const menu = (ev: MouseEvent) => {
 		}
 	}, {
 		icon: 'fas fa-upload',
-		text: i18n.locale.import,
+		text: i18n.ts.import,
 		action: async () => {
-			const file = await selectFile(ev.currentTarget || ev.target);
+			const file = await selectFile(ev.currentTarget ?? ev.target);
 			os.api('admin/emoji/import-zip', {
 				fileId: file.id,
 			})
 			.then(() => {
 				os.alert({
 					type: 'info',
-					text: i18n.locale.importRequested,
+					text: i18n.ts.importRequested,
 				});
 			}).catch((e) => {
 				os.alert({
@@ -202,7 +202,7 @@ const menu = (ev: MouseEvent) => {
 				});
 			});
 		}
-	}], ev.currentTarget || ev.target);
+	}], ev.currentTarget ?? ev.target);
 };
 
 const setCategoryBulk = async () => {
@@ -256,7 +256,7 @@ const setTagBulk = async () => {
 const delBulk = async () => {
 	const { canceled } = await os.confirm({
 		type: 'warning',
-		text: i18n.locale.deleteConfirm,
+		text: i18n.ts.deleteConfirm,
 	});
 	if (canceled) return;
 	await os.apiWithDialog('admin/emoji/delete-bulk', {
@@ -267,13 +267,13 @@ const delBulk = async () => {
 
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
-		title: i18n.locale.customEmojis,
+		title: i18n.ts.customEmojis,
 		icon: 'fas fa-laugh',
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
 			icon: 'fas fa-plus',
-			text: i18n.locale.addEmoji,
+			text: i18n.ts.addEmoji,
 			handler: add,
 		}, {
 			icon: 'fas fa-ellipsis-h',
@@ -281,11 +281,11 @@ defineExpose({
 		}],
 		tabs: [{
 			active: tab.value === 'local',
-			title: i18n.locale.local,
+			title: i18n.ts.local,
 			onClick: () => { tab.value = 'local'; },
 		}, {
 			active: tab.value === 'remote',
-			title: i18n.locale.remote,
+			title: i18n.ts.remote,
 			onClick: () => { tab.value = 'remote'; },
 		},]
 	})),
diff --git a/packages/client/src/pages/admin/index.vue b/packages/client/src/pages/admin/index.vue
index 350e7defc..6b11650f4 100644
--- a/packages/client/src/pages/admin/index.vue
+++ b/packages/client/src/pages/admin/index.vue
@@ -55,7 +55,7 @@ export default defineComponent({
 
 	setup(props, context) {
 		const indexInfo = {
-			title: i18n.locale.controlPanel,
+			title: i18n.ts.controlPanel,
 			icon: 'fas fa-cog',
 			bg: 'var(--bg)',
 			hideHeader: true,
@@ -91,119 +91,119 @@ export default defineComponent({
 		});
 
 		const menuDef = computed(() => [{
-			title: i18n.locale.quickAction,
+			title: i18n.ts.quickAction,
 			items: [{
 				type: 'button',
 				icon: 'fas fa-search',
-				text: i18n.locale.lookup,
+				text: i18n.ts.lookup,
 				action: lookup,
 			}, ...(instance.disableRegistration ? [{
 				type: 'button',
 				icon: 'fas fa-user',
-				text: i18n.locale.invite,
+				text: i18n.ts.invite,
 				action: invite,
 			}] : [])],
 		}, {
-			title: i18n.locale.administration,
+			title: i18n.ts.administration,
 			items: [{
 				icon: 'fas fa-tachometer-alt',
-				text: i18n.locale.dashboard,
+				text: i18n.ts.dashboard,
 				to: '/admin/overview',
 				active: page.value === 'overview',
 			}, {
 				icon: 'fas fa-users',
-				text: i18n.locale.users,
+				text: i18n.ts.users,
 				to: '/admin/users',
 				active: page.value === 'users',
 			}, {
 				icon: 'fas fa-laugh',
-				text: i18n.locale.customEmojis,
+				text: i18n.ts.customEmojis,
 				to: '/admin/emojis',
 				active: page.value === 'emojis',
 			}, {
 				icon: 'fas fa-globe',
-				text: i18n.locale.federation,
+				text: i18n.ts.federation,
 				to: '/admin/federation',
 				active: page.value === 'federation',
 			}, {
 				icon: 'fas fa-clipboard-list',
-				text: i18n.locale.jobQueue,
+				text: i18n.ts.jobQueue,
 				to: '/admin/queue',
 				active: page.value === 'queue',
 			}, {
 				icon: 'fas fa-cloud',
-				text: i18n.locale.files,
+				text: i18n.ts.files,
 				to: '/admin/files',
 				active: page.value === 'files',
 			}, {
 				icon: 'fas fa-broadcast-tower',
-				text: i18n.locale.announcements,
+				text: i18n.ts.announcements,
 				to: '/admin/announcements',
 				active: page.value === 'announcements',
 			}, {
 				icon: 'fas fa-audio-description',
-				text: i18n.locale.ads,
+				text: i18n.ts.ads,
 				to: '/admin/ads',
 				active: page.value === 'ads',
 			}, {
 				icon: 'fas fa-exclamation-circle',
-				text: i18n.locale.abuseReports,
+				text: i18n.ts.abuseReports,
 				to: '/admin/abuses',
 				active: page.value === 'abuses',
 			}],
 		}, {
-			title: i18n.locale.settings,
+			title: i18n.ts.settings,
 			items: [{
 				icon: 'fas fa-cog',
-				text: i18n.locale.general,
+				text: i18n.ts.general,
 				to: '/admin/settings',
 				active: page.value === 'settings',
 			}, {
 				icon: 'fas fa-envelope',
-				text: i18n.locale.emailServer,
+				text: i18n.ts.emailServer,
 				to: '/admin/email-settings',
 				active: page.value === 'email-settings',
 			}, {
 				icon: 'fas fa-cloud',
-				text: i18n.locale.objectStorage,
+				text: i18n.ts.objectStorage,
 				to: '/admin/object-storage',
 				active: page.value === 'object-storage',
 			}, {
 				icon: 'fas fa-lock',
-				text: i18n.locale.security,
+				text: i18n.ts.security,
 				to: '/admin/security',
 				active: page.value === 'security',
 			}, {
 				icon: 'fas fa-globe',
-				text: i18n.locale.relays,
+				text: i18n.ts.relays,
 				to: '/admin/relays',
 				active: page.value === 'relays',
 			}, {
 				icon: 'fas fa-share-alt',
-				text: i18n.locale.integration,
+				text: i18n.ts.integration,
 				to: '/admin/integrations',
 				active: page.value === 'integrations',
 			}, {
 				icon: 'fas fa-ban',
-				text: i18n.locale.instanceBlocking,
+				text: i18n.ts.instanceBlocking,
 				to: '/admin/instance-block',
 				active: page.value === 'instance-block',
 			}, {
 				icon: 'fas fa-ghost',
-				text: i18n.locale.proxyAccount,
+				text: i18n.ts.proxyAccount,
 				to: '/admin/proxy-account',
 				active: page.value === 'proxy-account',
 			}, {
 				icon: 'fas fa-cogs',
-				text: i18n.locale.other,
+				text: i18n.ts.other,
 				to: '/admin/other-settings',
 				active: page.value === 'other-settings',
 			}],
 		}, {
-			title: i18n.locale.info,
+			title: i18n.ts.info,
 			items: [{
 				icon: 'fas fa-database',
-				text: i18n.locale.database,
+				text: i18n.ts.database,
 				to: '/admin/database',
 				active: page.value === 'database',
 			}],
@@ -275,37 +275,37 @@ export default defineComponent({
 
 		const lookup = (ev) => {
 			os.popupMenu([{
-				text: i18n.locale.user,
+				text: i18n.ts.user,
 				icon: 'fas fa-user',
 				action: () => {
 					lookupUser();
 				}
 			}, {
-				text: i18n.locale.note,
+				text: i18n.ts.note,
 				icon: 'fas fa-pencil-alt',
 				action: () => {
 					alert('TODO');
 				}
 			}, {
-				text: i18n.locale.file,
+				text: i18n.ts.file,
 				icon: 'fas fa-cloud',
 				action: () => {
 					alert('TODO');
 				}
 			}, {
-				text: i18n.locale.instance,
+				text: i18n.ts.instance,
 				icon: 'fas fa-globe',
 				action: () => {
 					alert('TODO');
 				}
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		};
 
 		return {
 			[symbols.PAGE_INFO]: INFO,
 			menuDef,
 			header: {
-				title: i18n.locale.controlPanel,
+				title: i18n.ts.controlPanel,
 			},
 			noMaintainerInformation,
 			noBotProtection,
diff --git a/packages/client/src/pages/channel-editor.vue b/packages/client/src/pages/channel-editor.vue
index 58c644be6..3818c7481 100644
--- a/packages/client/src/pages/channel-editor.vue
+++ b/packages/client/src/pages/channel-editor.vue
@@ -112,7 +112,7 @@ export default defineComponent({
 		},
 
 		setBannerImage(e) {
-			selectFile(e.currentTarget || e.target, null).then(file => {
+			selectFile(e.currentTarget ?? e.target, null).then(file => {
 				this.bannerId = file.id;
 			});
 		},
diff --git a/packages/client/src/pages/clip.vue b/packages/client/src/pages/clip.vue
index 6b49221d3..c999f1bfc 100644
--- a/packages/client/src/pages/clip.vue
+++ b/packages/client/src/pages/clip.vue
@@ -127,7 +127,7 @@ export default defineComponent({
 						clipId: this.clip.id,
 					});
 				}
-			} : undefined], ev.currentTarget || ev.target);
+			} : undefined], ev.currentTarget ?? ev.target);
 		}
 	}
 });
diff --git a/packages/client/src/pages/drive.vue b/packages/client/src/pages/drive.vue
index 1e17bea0c..68777bb08 100644
--- a/packages/client/src/pages/drive.vue
+++ b/packages/client/src/pages/drive.vue
@@ -15,7 +15,7 @@ let folder = $ref(null);
 
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
-		title: folder ? folder.name : i18n.locale.drive,
+		title: folder ? folder.name : i18n.ts.drive,
 		icon: 'fas fa-cloud',
 		bg: 'var(--bg)',
 		hideHeader: true,
diff --git a/packages/client/src/pages/emojis.emoji.vue b/packages/client/src/pages/emojis.emoji.vue
index 83539ce7a..b2801694d 100644
--- a/packages/client/src/pages/emojis.emoji.vue
+++ b/packages/client/src/pages/emojis.emoji.vue
@@ -23,13 +23,13 @@ function menu(ev) {
 		type: 'label',
 		text: ':' + props.emoji.name + ':',
 	}, {
-		text: i18n.locale.copy,
+		text: i18n.ts.copy,
 		icon: 'fas fa-copy',
 		action: () => {
 			copyToClipboard(`:${props.emoji.name}:`);
 			os.success();
 		}
-	}], ev.currentTarget || ev.target);
+	}], ev.currentTarget ?? ev.target);
 }
 </script>
 
diff --git a/packages/client/src/pages/emojis.vue b/packages/client/src/pages/emojis.vue
index 6577f5abd..886b5f711 100644
--- a/packages/client/src/pages/emojis.vue
+++ b/packages/client/src/pages/emojis.vue
@@ -16,14 +16,14 @@ const tab = ref('category');
 function menu(ev) {
 	os.popupMenu([{
 		icon: 'fas fa-download',
-		text: i18n.locale.export,
+		text: i18n.ts.export,
 		action: async () => {
 			os.api('export-custom-emojis', {
 			})
 			.then(() => {
 				os.alert({
 					type: 'info',
-					text: i18n.locale.exportRequested,
+					text: i18n.ts.exportRequested,
 				});
 			}).catch((e) => {
 				os.alert({
@@ -32,12 +32,12 @@ function menu(ev) {
 				});
 			});
 		}
-	}], ev.currentTarget || ev.target);
+	}], ev.currentTarget ?? ev.target);
 }
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.customEmojis,
+		title: i18n.ts.customEmojis,
 		icon: 'fas fa-laugh',
 		bg: 'var(--bg)',
 		actions: [{
diff --git a/packages/client/src/pages/favorites.vue b/packages/client/src/pages/favorites.vue
index 8965b30d6..b4f6ff35b 100644
--- a/packages/client/src/pages/favorites.vue
+++ b/packages/client/src/pages/favorites.vue
@@ -34,7 +34,7 @@ const pagingComponent = ref<InstanceType<typeof MkPagination>>();
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.favorites,
+		title: i18n.ts.favorites,
 		icon: 'fas fa-star',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/featured.vue b/packages/client/src/pages/featured.vue
index 725c70f0f..14fe0cb74 100644
--- a/packages/client/src/pages/featured.vue
+++ b/packages/client/src/pages/featured.vue
@@ -17,7 +17,7 @@ const pagination = {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.featured,
+		title: i18n.ts.featured,
 		icon: 'fas fa-fire-alt',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/federation.vue b/packages/client/src/pages/federation.vue
index 6a4a28b6b..a4ae901f2 100644
--- a/packages/client/src/pages/federation.vue
+++ b/packages/client/src/pages/federation.vue
@@ -135,7 +135,7 @@ function getStatus(instance) {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.federation,
+		title: i18n.ts.federation,
 		icon: 'fas fa-globe',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/follow-requests.vue b/packages/client/src/pages/follow-requests.vue
index 764daa0d3..6adc1a404 100644
--- a/packages/client/src/pages/follow-requests.vue
+++ b/packages/client/src/pages/follow-requests.vue
@@ -60,7 +60,7 @@ function reject(user) {
 
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
-		title: i18n.locale.followRequests,
+		title: i18n.ts.followRequests,
 		icon: 'fas fa-user-clock',
 		bg: 'var(--bg)',
 	})),
diff --git a/packages/client/src/pages/gallery/edit.vue b/packages/client/src/pages/gallery/edit.vue
index e3fa1a0fc..25ee51318 100644
--- a/packages/client/src/pages/gallery/edit.vue
+++ b/packages/client/src/pages/gallery/edit.vue
@@ -92,7 +92,7 @@ export default defineComponent({
 
 	methods: {
 		selectFile(e) {
-			selectFiles(e.currentTarget || e.target, null).then(files => {
+			selectFiles(e.currentTarget ?? e.target, null).then(files => {
 				this.files = this.files.concat(files);
 			});
 		},
diff --git a/packages/client/src/pages/mentions.vue b/packages/client/src/pages/mentions.vue
index bda56fc72..9b57c956b 100644
--- a/packages/client/src/pages/mentions.vue
+++ b/packages/client/src/pages/mentions.vue
@@ -16,7 +16,7 @@ const pagination = {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.mentions,
+		title: i18n.ts.mentions,
 		icon: 'fas fa-at',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/messages.vue b/packages/client/src/pages/messages.vue
index 8efdc5558..9c5fb9b34 100644
--- a/packages/client/src/pages/messages.vue
+++ b/packages/client/src/pages/messages.vue
@@ -12,14 +12,14 @@ import { i18n } from '@/i18n';
 const pagination = {
 	endpoint: 'notes/mentions' as const,
 	limit: 10,
-	params: () => ({
+	params: {
 		visibility: 'specified'
-	}),
+	},
 };
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.directNotes,
+		title: i18n.ts.directNotes,
 		icon: 'fas fa-envelope',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/messaging/index.vue b/packages/client/src/pages/messaging/index.vue
index 554ebc4b6..88a1e07af 100644
--- a/packages/client/src/pages/messaging/index.vue
+++ b/packages/client/src/pages/messaging/index.vue
@@ -128,7 +128,7 @@ export default defineComponent({
 				text: this.$ts.messagingWithGroup,
 				icon: 'fas fa-users',
 				action: () => { this.startGroup() }
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		},
 
 		async startUser() {
diff --git a/packages/client/src/pages/messaging/messaging-room.form.vue b/packages/client/src/pages/messaging/messaging-room.form.vue
index 0fc7c8a5d..3863c8f82 100644
--- a/packages/client/src/pages/messaging/messaging-room.form.vue
+++ b/packages/client/src/pages/messaging/messaging-room.form.vue
@@ -24,7 +24,7 @@
 <script lang="ts">
 import { defineComponent, defineAsyncComponent } from 'vue';
 import insertTextAtCursor from 'insert-text-at-cursor';
-import * as autosize from 'autosize';
+import autosize from 'autosize';
 import { formatTimeString } from '@/scripts/format-time-string';
 import { selectFile } from '@/scripts/select-file';
 import * as os from '@/os';
@@ -76,7 +76,8 @@ export default defineComponent({
 		autosize(this.$refs.text);
 
 		// TODO: detach when unmount
-		new Autocomplete(this.$refs.text, this, { model: 'text' });
+		// TODO
+		//new Autocomplete(this.$refs.text, this, { model: 'text' });
 
 		// 書きかけの投稿を復元
 		const draft = JSON.parse(localStorage.getItem('message_drafts') || '{}')[this.draftKey];
@@ -153,7 +154,7 @@ export default defineComponent({
 		},
 
 		chooseFile(e) {
-			selectFile(e.currentTarget || e.target, this.$ts.selectFile).then(file => {
+			selectFile(e.currentTarget ?? e.target, this.$ts.selectFile).then(file => {
 				this.file = file;
 			});
 		},
@@ -213,7 +214,7 @@ export default defineComponent({
 		},
 
 		async insertEmoji(ev) {
-			os.openEmojiPicker(ev.currentTarget || ev.target, {}, this.$refs.text);
+			os.openEmojiPicker(ev.currentTarget ?? ev.target, {}, this.$refs.text);
 		}
 	}
 });
diff --git a/packages/client/src/pages/messaging/messaging-room.vue b/packages/client/src/pages/messaging/messaging-room.vue
index a715dad6d..2ecc68eb5 100644
--- a/packages/client/src/pages/messaging/messaging-room.vue
+++ b/packages/client/src/pages/messaging/messaging-room.vue
@@ -11,7 +11,7 @@
 			<button v-show="existMoreMessages" ref="loadMore" class="more _button" :class="{ fetching: fetchingMoreMessages }" :disabled="fetchingMoreMessages" @click="fetchMoreMessages">
 				<template v-if="fetchingMoreMessages"><i class="fas fa-spinner fa-pulse fa-fw"></i></template>{{ fetchingMoreMessages ? $ts.loading : $ts.loadMore }}
 			</button>
-			<XList v-slot="{ item: message }" class="messages" :items="messages" direction="up" reversed>
+			<XList v-if="messages.length > 0" v-slot="{ item: message }" class="messages" :items="messages" direction="up" reversed>
 				<XMessage :key="message.id" :message="message" :is-group="group != null"/>
 			</XList>
 		</div>
@@ -335,7 +335,7 @@ const Component = defineComponent({
 					popout(path);
 					this.$router.back();
 				},
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		}
 	}
 });
diff --git a/packages/client/src/pages/my-antennas/create.vue b/packages/client/src/pages/my-antennas/create.vue
index 427c9935c..a08bece73 100644
--- a/packages/client/src/pages/my-antennas/create.vue
+++ b/packages/client/src/pages/my-antennas/create.vue
@@ -31,7 +31,7 @@ function onAntennaCreated() {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.manageAntennas,
+		title: i18n.ts.manageAntennas,
 		icon: 'fas fa-satellite',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/my-clips/index.vue b/packages/client/src/pages/my-clips/index.vue
index 97b563f6f..e287357a4 100644
--- a/packages/client/src/pages/my-clips/index.vue
+++ b/packages/client/src/pages/my-clips/index.vue
@@ -19,7 +19,7 @@ import MkPagination from '@/components/ui/pagination.vue';
 import MkButton from '@/components/ui/button.vue';
 import * as os from '@/os';
 import * as symbols from '@/symbols';
-import i18n from '@/components/global/i18n';
+import { i18n } from '@/i18n';
 
 const pagination = {
 	endpoint: 'clips/list' as const,
@@ -29,20 +29,20 @@ const pagination = {
 const pagingComponent = $ref<InstanceType<typeof MkPagination>>();
 
 async function create() {
-	const { canceled, result } = await os.form(i18n.locale.createNewClip, {
+	const { canceled, result } = await os.form(i18n.ts.createNewClip, {
 		name: {
 			type: 'string',
-			label: i18n.locale.name,
+			label: i18n.ts.name,
 		},
 		description: {
 			type: 'string',
 			required: false,
 			multiline: true,
-			label: i18n.locale.description,
+			label: i18n.ts.description,
 		},
 		isPublic: {
 			type: 'boolean',
-			label: i18n.locale.public,
+			label: i18n.ts.public,
 			default: false,
 		},
 	});
@@ -63,7 +63,7 @@ function onClipDeleted() {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.clip,
+		title: i18n.ts.clip,
 		icon: 'fas fa-paperclip',
 		bg: 'var(--bg)',
 		action: {
diff --git a/packages/client/src/pages/my-lists/index.vue b/packages/client/src/pages/my-lists/index.vue
index e6fcba1b3..9ed9e2960 100644
--- a/packages/client/src/pages/my-lists/index.vue
+++ b/packages/client/src/pages/my-lists/index.vue
@@ -31,7 +31,7 @@ const pagination = {
 
 async function create() {
 	const { canceled, result: name } = await os.inputText({
-		title: i18n.locale.enterListName,
+		title: i18n.ts.enterListName,
 	});
 	if (canceled) return;
 	await os.apiWithDialog('users/lists/create', { name: name });
@@ -40,7 +40,7 @@ async function create() {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.manageLists,
+		title: i18n.ts.manageLists,
 		icon: 'fas fa-list-ul',
 		bg: 'var(--bg)',
 		action: {
diff --git a/packages/client/src/pages/not-found.vue b/packages/client/src/pages/not-found.vue
index 914fdb929..cdeb54b88 100644
--- a/packages/client/src/pages/not-found.vue
+++ b/packages/client/src/pages/not-found.vue
@@ -13,7 +13,7 @@ import { i18n } from '@/i18n';
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.notFound,
+		title: i18n.ts.notFound,
 		icon: 'fas fa-exclamation-triangle',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/notifications.vue b/packages/client/src/pages/notifications.vue
index 090e80f99..36e423e53 100644
--- a/packages/client/src/pages/notifications.vue
+++ b/packages/client/src/pages/notifications.vue
@@ -27,26 +27,26 @@ function setFilter(ev) {
 	}));
 	const items = includeTypes != null ? [{
 		icon: 'fas fa-times',
-		text: i18n.locale.clear,
+		text: i18n.ts.clear,
 		action: () => {
 			includeTypes = null;
 		}
 	}, null, ...typeItems] : typeItems;
-	os.popupMenu(items, ev.currentTarget || ev.target);
+	os.popupMenu(items, ev.currentTarget ?? ev.target);
 }
 
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
-		title: i18n.locale.notifications,
+		title: i18n.ts.notifications,
 		icon: 'fas fa-bell',
 		bg: 'var(--bg)',
 		actions: [{
-			text: i18n.locale.filter,
+			text: i18n.ts.filter,
 			icon: 'fas fa-filter',
 			highlighted: includeTypes != null,
 			handler: setFilter,
 		}, {
-			text: i18n.locale.markAllAsRead,
+			text: i18n.ts.markAllAsRead,
 			icon: 'fas fa-check',
 			handler: () => {
 				os.apiWithDialog('notifications/mark-all-as-read');
@@ -54,11 +54,11 @@ defineExpose({
 		}],
 		tabs: [{
 			active: tab === 'all',
-			title: i18n.locale.all,
+			title: i18n.ts.all,
 			onClick: () => { tab = 'all'; },
 		}, {
 			active: tab === 'unread',
-			title: i18n.locale.unread,
+			title: i18n.ts.unread,
 			onClick: () => { tab = 'unread'; },
 		},]
 	})),
diff --git a/packages/client/src/pages/page-editor/page-editor.vue b/packages/client/src/pages/page-editor/page-editor.vue
index fe207555f..f302ac4f9 100644
--- a/packages/client/src/pages/page-editor/page-editor.vue
+++ b/packages/client/src/pages/page-editor/page-editor.vue
@@ -448,7 +448,7 @@ export default defineComponent({
 		},
 
 		setEyeCatchingImage(e) {
-			selectFile(e.currentTarget || e.target, null).then(file => {
+			selectFile(e.currentTarget ?? e.target, null).then(file => {
 				this.eyeCatchingImageId = file.id;
 			});
 		},
diff --git a/packages/client/src/pages/preview.vue b/packages/client/src/pages/preview.vue
index 8eb454951..4accac419 100644
--- a/packages/client/src/pages/preview.vue
+++ b/packages/client/src/pages/preview.vue
@@ -12,7 +12,7 @@ import { i18n } from '@/i18n';
 
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
-		title: i18n.locale.preview,
+		title: i18n.ts.preview,
 		icon: 'fas fa-eye',
 		bg: 'var(--bg)',
 	})),
diff --git a/packages/client/src/pages/reset-password.vue b/packages/client/src/pages/reset-password.vue
index 8ef73858f..7d008ae75 100644
--- a/packages/client/src/pages/reset-password.vue
+++ b/packages/client/src/pages/reset-password.vue
@@ -3,10 +3,10 @@
 	<div class="_formRoot">
 		<FormInput v-model="password" type="password" class="_formBlock">
 			<template #prefix><i class="fas fa-lock"></i></template>
-			<template #label>{{ i18n.locale.newPassword }}</template>
+			<template #label>{{ i18n.ts.newPassword }}</template>
 		</FormInput>
 		
-		<FormButton primary class="_formBlock" @click="save">{{ i18n.locale.save }}</FormButton>
+		<FormButton primary class="_formBlock" @click="save">{{ i18n.ts.save }}</FormButton>
 	</div>
 </MkSpacer>
 </template>
@@ -43,7 +43,7 @@ onMounted(() => {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.resetPassword,
+		title: i18n.ts.resetPassword,
 		icon: 'fas fa-lock',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/settings/accounts.vue b/packages/client/src/pages/settings/accounts.vue
index c795ede8a..a744a031d 100644
--- a/packages/client/src/pages/settings/accounts.vue
+++ b/packages/client/src/pages/settings/accounts.vue
@@ -64,7 +64,7 @@ export default defineComponent({
 				icon: 'fas fa-trash-alt',
 				danger: true,
 				action: () => this.removeAccount(account),
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		},
 
 		addAccount(ev) {
@@ -74,7 +74,7 @@ export default defineComponent({
 			}, {
 				text: this.$ts.createAccount,
 				action: () => { this.createAccount(); },
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		},
 
 		addExistingAccount() {
diff --git a/packages/client/src/pages/settings/email.vue b/packages/client/src/pages/settings/email.vue
index 54557f877..4697fec9b 100644
--- a/packages/client/src/pages/settings/email.vue
+++ b/packages/client/src/pages/settings/email.vue
@@ -62,7 +62,7 @@ export default defineComponent({
 		const emailAddress = ref($i.email);
 
 		const INFO = {
-			title: i18n.locale.email,
+			title: i18n.ts.email,
 			icon: 'fas fa-envelope',
 			bg: 'var(--bg)',
 		};
@@ -75,7 +75,7 @@ export default defineComponent({
 
 		const saveEmailAddress = () => {
 			os.inputText({
-				title: i18n.locale.password,
+				title: i18n.ts.password,
 				type: 'password'
 			}).then(({ canceled, result: password }) => {
 				if (canceled) return;
diff --git a/packages/client/src/pages/settings/import-export.vue b/packages/client/src/pages/settings/import-export.vue
index 21031c559..c153b4d28 100644
--- a/packages/client/src/pages/settings/import-export.vue
+++ b/packages/client/src/pages/settings/import-export.vue
@@ -60,7 +60,7 @@ export default defineComponent({
 
 	setup(props, context) {
 		const INFO = {
-			title: i18n.locale.importAndExport,
+			title: i18n.ts.importAndExport,
 			icon: 'fas fa-boxes',
 			bg: 'var(--bg)',
 		};
@@ -71,14 +71,14 @@ export default defineComponent({
 		const onExportSuccess = () => {
 			os.alert({
 				type: 'info',
-				text: i18n.locale.exportRequested,
+				text: i18n.ts.exportRequested,
 			});
 		};
 
 		const onImportSuccess = () => {
 			os.alert({
 				type: 'info',
-				text: i18n.locale.importRequested,
+				text: i18n.ts.importRequested,
 			});
 		};
 
@@ -114,22 +114,22 @@ export default defineComponent({
 		};
 
 		const importFollowing = async (ev) => {
-			const file = await selectFile(ev.currentTarget || ev.target);
+			const file = await selectFile(ev.currentTarget ?? ev.target);
 			os.api('i/import-following', { fileId: file.id }).then(onImportSuccess).catch(onError);
 		};
 
 		const importUserLists = async (ev) => {
-			const file = await selectFile(ev.currentTarget || ev.target);
+			const file = await selectFile(ev.currentTarget ?? ev.target);
 			os.api('i/import-user-lists', { fileId: file.id }).then(onImportSuccess).catch(onError);
 		};
 
 		const importMuting = async (ev) => {
-			const file = await selectFile(ev.currentTarget || ev.target);
+			const file = await selectFile(ev.currentTarget ?? ev.target);
 			os.api('i/import-muting', { fileId: file.id }).then(onImportSuccess).catch(onError);
 		};
 
 		const importBlocking = async (ev) => {
-			const file = await selectFile(ev.currentTarget || ev.target);
+			const file = await selectFile(ev.currentTarget ?? ev.target);
 			os.api('i/import-blocking', { fileId: file.id }).then(onImportSuccess).catch(onError);
 		};
 
diff --git a/packages/client/src/pages/settings/index.vue b/packages/client/src/pages/settings/index.vue
index 66c8b147b..ac8414ddb 100644
--- a/packages/client/src/pages/settings/index.vue
+++ b/packages/client/src/pages/settings/index.vue
@@ -49,7 +49,7 @@ export default defineComponent({
 
 	setup(props, context) {
 		const indexInfo = {
-			title: i18n.locale.settings,
+			title: i18n.ts.settings,
 			icon: 'fas fa-cog',
 			bg: 'var(--bg)',
 			hideHeader: true,
@@ -61,96 +61,96 @@ export default defineComponent({
 		const el = ref(null);
 		const childInfo = ref(null);
 		const menuDef = computed(() => [{
-			title: i18n.locale.basicSettings,
+			title: i18n.ts.basicSettings,
 			items: [{
 				icon: 'fas fa-user',
-				text: i18n.locale.profile,
+				text: i18n.ts.profile,
 				to: '/settings/profile',
 				active: page.value === 'profile',
 			}, {
 				icon: 'fas fa-lock-open',
-				text: i18n.locale.privacy,
+				text: i18n.ts.privacy,
 				to: '/settings/privacy',
 				active: page.value === 'privacy',
 			}, {
 				icon: 'fas fa-laugh',
-				text: i18n.locale.reaction,
+				text: i18n.ts.reaction,
 				to: '/settings/reaction',
 				active: page.value === 'reaction',
 			}, {
 				icon: 'fas fa-cloud',
-				text: i18n.locale.drive,
+				text: i18n.ts.drive,
 				to: '/settings/drive',
 				active: page.value === 'drive',
 			}, {
 				icon: 'fas fa-bell',
-				text: i18n.locale.notifications,
+				text: i18n.ts.notifications,
 				to: '/settings/notifications',
 				active: page.value === 'notifications',
 			}, {
 				icon: 'fas fa-envelope',
-				text: i18n.locale.email,
+				text: i18n.ts.email,
 				to: '/settings/email',
 				active: page.value === 'email',
 			}, {
 				icon: 'fas fa-share-alt',
-				text: i18n.locale.integration,
+				text: i18n.ts.integration,
 				to: '/settings/integration',
 				active: page.value === 'integration',
 			}, {
 				icon: 'fas fa-lock',
-				text: i18n.locale.security,
+				text: i18n.ts.security,
 				to: '/settings/security',
 				active: page.value === 'security',
 			}],
 		}, {
-			title: i18n.locale.clientSettings,
+			title: i18n.ts.clientSettings,
 			items: [{
 				icon: 'fas fa-cogs',
-				text: i18n.locale.general,
+				text: i18n.ts.general,
 				to: '/settings/general',
 				active: page.value === 'general',
 			}, {
 				icon: 'fas fa-palette',
-				text: i18n.locale.theme,
+				text: i18n.ts.theme,
 				to: '/settings/theme',
 				active: page.value === 'theme',
 			}, {
 				icon: 'fas fa-list-ul',
-				text: i18n.locale.menu,
+				text: i18n.ts.menu,
 				to: '/settings/menu',
 				active: page.value === 'menu',
 			}, {
 				icon: 'fas fa-music',
-				text: i18n.locale.sounds,
+				text: i18n.ts.sounds,
 				to: '/settings/sounds',
 				active: page.value === 'sounds',
 			}, {
 				icon: 'fas fa-plug',
-				text: i18n.locale.plugins,
+				text: i18n.ts.plugins,
 				to: '/settings/plugin',
 				active: page.value === 'plugin',
 			}],
 		}, {
-			title: i18n.locale.otherSettings,
+			title: i18n.ts.otherSettings,
 			items: [{
 				icon: 'fas fa-boxes',
-				text: i18n.locale.importAndExport,
+				text: i18n.ts.importAndExport,
 				to: '/settings/import-export',
 				active: page.value === 'import-export',
 			}, {
 				icon: 'fas fa-volume-mute',
-				text: i18n.locale.instanceMute,
+				text: i18n.ts.instanceMute,
 				to: '/settings/instance-mute',
 				active: page.value === 'instance-mute',
 			}, {
 				icon: 'fas fa-ban',
-				text: i18n.locale.muteAndBlock,
+				text: i18n.ts.muteAndBlock,
 				to: '/settings/mute-block',
 				active: page.value === 'mute-block',
 			}, {
 				icon: 'fas fa-comment-slash',
-				text: i18n.locale.wordMute,
+				text: i18n.ts.wordMute,
 				to: '/settings/word-mute',
 				active: page.value === 'word-mute',
 			}, {
@@ -160,7 +160,7 @@ export default defineComponent({
 				active: page.value === 'api',
 			}, {
 				icon: 'fas fa-ellipsis-h',
-				text: i18n.locale.other,
+				text: i18n.ts.other,
 				to: '/settings/other',
 				active: page.value === 'other',
 			}],
@@ -168,7 +168,7 @@ export default defineComponent({
 			items: [{
 				type: 'button',
 				icon: 'fas fa-trash',
-				text: i18n.locale.clearCache,
+				text: i18n.ts.clearCache,
 				action: () => {
 					localStorage.removeItem('locale');
 					localStorage.removeItem('theme');
@@ -177,7 +177,7 @@ export default defineComponent({
 			}, {
 				type: 'button',
 				icon: 'fas fa-sign-in-alt fa-flip-horizontal',
-				text: i18n.locale.logout,
+				text: i18n.ts.logout,
 				action: () => {
 					signout();
 				},
diff --git a/packages/client/src/pages/settings/mute-block.vue b/packages/client/src/pages/settings/mute-block.vue
index f4f9ebf8d..28d11809e 100644
--- a/packages/client/src/pages/settings/mute-block.vue
+++ b/packages/client/src/pages/settings/mute-block.vue
@@ -52,7 +52,7 @@ const blockingPagination = {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.muteAndBlock,
+		title: i18n.ts.muteAndBlock,
 		icon: 'fas fa-ban',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/settings/privacy.vue b/packages/client/src/pages/settings/privacy.vue
index dd13ba4bd..cfae7e9ca 100644
--- a/packages/client/src/pages/settings/privacy.vue
+++ b/packages/client/src/pages/settings/privacy.vue
@@ -86,7 +86,7 @@ function save() {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.privacy,
+		title: i18n.ts.privacy,
 		icon: 'fas fa-lock-open',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/settings/profile.vue b/packages/client/src/pages/settings/profile.vue
index f875146a2..66b654d87 100644
--- a/packages/client/src/pages/settings/profile.vue
+++ b/packages/client/src/pages/settings/profile.vue
@@ -3,45 +3,45 @@
 	<div class="llvierxe" :style="{ backgroundImage: $i.bannerUrl ? `url(${ $i.bannerUrl })` : null }">
 		<div class="avatar _acrylic">
 			<MkAvatar class="avatar" :user="$i" :disable-link="true" @click="changeAvatar"/>
-			<MkButton primary class="avatarEdit" @click="changeAvatar">{{ i18n.locale._profile.changeAvatar }}</MkButton>
+			<MkButton primary class="avatarEdit" @click="changeAvatar">{{ i18n.ts._profile.changeAvatar }}</MkButton>
 		</div>
-		<MkButton primary class="bannerEdit" @click="changeBanner">{{ i18n.locale._profile.changeBanner }}</MkButton>
+		<MkButton primary class="bannerEdit" @click="changeBanner">{{ i18n.ts._profile.changeBanner }}</MkButton>
 	</div>
 
 	<FormInput v-model="profile.name" :max="30" manual-save class="_formBlock">
-		<template #label>{{ i18n.locale._profile.name }}</template>
+		<template #label>{{ i18n.ts._profile.name }}</template>
 	</FormInput>
 
 	<FormTextarea v-model="profile.description" :max="500" tall manual-save class="_formBlock">
-		<template #label>{{ i18n.locale._profile.description }}</template>
-		<template #caption>{{ i18n.locale._profile.youCanIncludeHashtags }}</template>
+		<template #label>{{ i18n.ts._profile.description }}</template>
+		<template #caption>{{ i18n.ts._profile.youCanIncludeHashtags }}</template>
 	</FormTextarea>
 
 	<FormInput v-model="profile.location" manual-save class="_formBlock">
-		<template #label>{{ i18n.locale.location }}</template>
+		<template #label>{{ i18n.ts.location }}</template>
 		<template #prefix><i class="fas fa-map-marker-alt"></i></template>
 	</FormInput>
 
 	<FormInput v-model="profile.birthday" type="date" manual-save class="_formBlock">
-		<template #label>{{ i18n.locale.birthday }}</template>
+		<template #label>{{ i18n.ts.birthday }}</template>
 		<template #prefix><i class="fas fa-birthday-cake"></i></template>
 	</FormInput>
 
 	<FormSelect v-model="profile.lang" class="_formBlock">
-		<template #label>{{ i18n.locale.language }}</template>
+		<template #label>{{ i18n.ts.language }}</template>
 		<option v-for="x in langs" :key="x[0]" :value="x[0]">{{ x[1] }}</option>
 	</FormSelect>
 
 	<FormSlot>
-		<MkButton @click="editMetadata">{{ i18n.locale._profile.metadataEdit }}</MkButton>
-		<template #caption>{{ i18n.locale._profile.metadataDescription }}</template>
+		<MkButton @click="editMetadata">{{ i18n.ts._profile.metadataEdit }}</MkButton>
+		<template #caption>{{ i18n.ts._profile.metadataDescription }}</template>
 	</FormSlot>
 
-	<FormSwitch v-model="profile.isCat" class="_formBlock">{{ i18n.locale.flagAsCat }}<template #caption>{{ i18n.locale.flagAsCatDescription }}</template></FormSwitch>
+	<FormSwitch v-model="profile.isCat" class="_formBlock">{{ i18n.ts.flagAsCat }}<template #caption>{{ i18n.ts.flagAsCatDescription }}</template></FormSwitch>
 
-	<FormSwitch v-model="profile.isBot" class="_formBlock">{{ i18n.locale.flagAsBot }}<template #caption>{{ i18n.locale.flagAsBotDescription }}</template></FormSwitch>
+	<FormSwitch v-model="profile.isBot" class="_formBlock">{{ i18n.ts.flagAsBot }}<template #caption>{{ i18n.ts.flagAsBotDescription }}</template></FormSwitch>
 
-	<FormSwitch v-model="profile.alwaysMarkNsfw" class="_formBlock">{{ i18n.locale.alwaysMarkSensitive }}</FormSwitch>
+	<FormSwitch v-model="profile.alwaysMarkNsfw" class="_formBlock">{{ i18n.ts.alwaysMarkSensitive }}</FormSwitch>
 </div>
 </template>
 
@@ -102,7 +102,7 @@ function save() {
 }
 
 function changeAvatar(ev) {
-	selectFile(ev.currentTarget || ev.target, i18n.locale.avatar).then(async (file) => {
+	selectFile(ev.currentTarget ?? ev.target, i18n.ts.avatar).then(async (file) => {
 		const i = await os.apiWithDialog('i/update', {
 			avatarId: file.id,
 		});
@@ -112,7 +112,7 @@ function changeAvatar(ev) {
 }
 
 function changeBanner(ev) {
-	selectFile(ev.currentTarget || ev.target, i18n.locale.banner).then(async (file) => {
+	selectFile(ev.currentTarget ?? ev.target, i18n.ts.banner).then(async (file) => {
 		const i = await os.apiWithDialog('i/update', {
 			bannerId: file.id,
 		});
@@ -122,45 +122,45 @@ function changeBanner(ev) {
 }
 
 async function editMetadata() {
-	const { canceled, result } = await os.form(i18n.locale._profile.metadata, {
+	const { canceled, result } = await os.form(i18n.ts._profile.metadata, {
 		fieldName0: {
 			type: 'string',
-			label: i18n.locale._profile.metadataLabel + ' 1',
+			label: i18n.ts._profile.metadataLabel + ' 1',
 			default: additionalFields.fieldName0,
 		},
 		fieldValue0: {
 			type: 'string',
-			label: i18n.locale._profile.metadataContent + ' 1',
+			label: i18n.ts._profile.metadataContent + ' 1',
 			default: additionalFields.fieldValue0,
 		},
 		fieldName1: {
 			type: 'string',
-			label: i18n.locale._profile.metadataLabel + ' 2',
+			label: i18n.ts._profile.metadataLabel + ' 2',
 			default: additionalFields.fieldName1,
 		},
 		fieldValue1: {
 			type: 'string',
-			label: i18n.locale._profile.metadataContent + ' 2',
+			label: i18n.ts._profile.metadataContent + ' 2',
 			default: additionalFields.fieldValue1,
 		},
 		fieldName2: {
 			type: 'string',
-			label: i18n.locale._profile.metadataLabel + ' 3',
+			label: i18n.ts._profile.metadataLabel + ' 3',
 			default: additionalFields.fieldName2,
 		},
 		fieldValue2: {
 			type: 'string',
-			label: i18n.locale._profile.metadataContent + ' 3',
+			label: i18n.ts._profile.metadataContent + ' 3',
 			default: additionalFields.fieldValue2,
 		},
 		fieldName3: {
 			type: 'string',
-			label: i18n.locale._profile.metadataLabel + ' 4',
+			label: i18n.ts._profile.metadataLabel + ' 4',
 			default: additionalFields.fieldName3,
 		},
 		fieldValue3: {
 			type: 'string',
-			label: i18n.locale._profile.metadataContent + ' 4',
+			label: i18n.ts._profile.metadataContent + ' 4',
 			default: additionalFields.fieldValue3,
 		},
 	});
@@ -196,7 +196,7 @@ async function editMetadata() {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.profile,
+		title: i18n.ts.profile,
 		icon: 'fas fa-user',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/settings/reaction.vue b/packages/client/src/pages/settings/reaction.vue
index e5b118994..ae3e1a118 100644
--- a/packages/client/src/pages/settings/reaction.vue
+++ b/packages/client/src/pages/settings/reaction.vue
@@ -44,8 +44,8 @@
 </div>
 </template>
 
-<script lang="ts">
-import { defineComponent } from 'vue';
+<script lang="ts" setup>
+import { watch } from 'vue';
 import XDraggable from 'vuedraggable';
 import FormInput from '@/components/form/input.vue';
 import FormRadios from '@/components/form/radios.vue';
@@ -56,91 +56,70 @@ import FormSwitch from '@/components/form/switch.vue';
 import * as os from '@/os';
 import { defaultStore } from '@/store';
 import * as symbols from '@/symbols';
+import { i18n } from '@/i18n';
 
-export default defineComponent({
-	components: {
-		FormInput,
-		FormButton,
-		FromSlot,
-		FormRadios,
-		FormSection,
-		FormSwitch,
-		XDraggable,
-	},
+let reactions = $ref(JSON.parse(JSON.stringify(defaultStore.state.reactions)));
 
-	emits: ['info'],
-	
-	data() {
-		return {
-			[symbols.PAGE_INFO]: {
-				title: this.$ts.reaction,
-				icon: 'fas fa-laugh',
-				action: {
-					icon: 'fas fa-eye',
-					handler: this.preview
-				},
-				bg: 'var(--bg)',
-			},
-			reactions: JSON.parse(JSON.stringify(this.$store.state.reactions)),
+const reactionPickerWidth = $computed(defaultStore.makeGetterSetter('reactionPickerWidth'));
+const reactionPickerHeight = $computed(defaultStore.makeGetterSetter('reactionPickerHeight'));
+const reactionPickerUseDrawerForMobile = $computed(defaultStore.makeGetterSetter('reactionPickerUseDrawerForMobile'));
+
+function save() {
+	defaultStore.set('reactions', reactions);
+}
+
+function remove(reaction, ev: MouseEvent) {
+	os.popupMenu([{
+		text: i18n.ts.remove,
+		action: () => {
+			reactions = reactions.filter(x => x !== reaction);
 		}
-	},
+	}], ev.currentTarget ?? ev.target);
+}
 
-	computed: {
-		reactionPickerWidth: defaultStore.makeGetterSetter('reactionPickerWidth'),
-		reactionPickerHeight: defaultStore.makeGetterSetter('reactionPickerHeight'),
-		reactionPickerUseDrawerForMobile: defaultStore.makeGetterSetter('reactionPickerUseDrawerForMobile'),
-	},
+function preview(ev: MouseEvent) {
+	os.popup(import('@/components/emoji-picker-dialog.vue'), {
+		asReactionPicker: true,
+		src: ev.currentTarget ?? ev.target,
+	}, {}, 'closed');
+}
 
-	watch: {
-		reactions: {
-			handler() {
-				this.save();
-			},
-			deep: true
+async function setDefault() {
+	const { canceled } = await os.confirm({
+		type: 'warning',
+		text: i18n.ts.resetAreYouSure,
+	});
+	if (canceled) return;
+
+	reactions = JSON.parse(JSON.stringify(defaultStore.def.reactions.default));
+}
+
+function chooseEmoji(ev: MouseEvent) {
+	os.pickEmoji(ev.currentTarget ?? ev.target, {
+		showPinned: false
+	}).then(emoji => {
+		if (!reactions.includes(emoji)) {
+			reactions.push(emoji);
 		}
+	});
+}
+
+watch($$(reactions), () => {
+	save();
+}, {
+	deep: true,
+});
+
+defineExpose({
+	[symbols.PAGE_INFO]: {
+		title: i18n.ts.reaction,
+		icon: 'fas fa-laugh',
+		action: {
+			icon: 'fas fa-eye',
+			handler: preview,
+		},
+		bg: 'var(--bg)',
 	},
-
-	methods: {
-		save() {
-			this.$store.set('reactions', this.reactions);
-		},
-
-		remove(reaction, ev) {
-			os.popupMenu([{
-				text: this.$ts.remove,
-				action: () => {
-					this.reactions = this.reactions.filter(x => x !== reaction)
-				}
-			}], ev.currentTarget || ev.target);
-		},
-
-		preview(ev) {
-			os.popup(import('@/components/emoji-picker-dialog.vue'), {
-				asReactionPicker: true,
-				src: ev.currentTarget || ev.target,
-			}, {}, 'closed');
-		},
-
-		async setDefault() {
-			const { canceled } = await os.confirm({
-				type: 'warning',
-				text: this.$ts.resetAreYouSure,
-			});
-			if (canceled) return;
-
-			this.reactions = JSON.parse(JSON.stringify(this.$store.def.reactions.default));
-		},
-
-		chooseEmoji(ev) {
-			os.pickEmoji(ev.currentTarget || ev.target, {
-				showPinned: false
-			}).then(emoji => {
-				if (!this.reactions.includes(emoji)) {
-					this.reactions.push(emoji);
-				}
-			});
-		}
-	}
 });
 </script>
 
diff --git a/packages/client/src/pages/settings/theme.install.vue b/packages/client/src/pages/settings/theme.install.vue
index e2a3f042b..2d3514342 100644
--- a/packages/client/src/pages/settings/theme.install.vue
+++ b/packages/client/src/pages/settings/theme.install.vue
@@ -1,12 +1,12 @@
 <template>
 <div class="_formRoot">
 	<FormTextarea v-model="installThemeCode" class="_formBlock">
-		<template #label>{{ i18n.locale._theme.code }}</template>
+		<template #label>{{ i18n.ts._theme.code }}</template>
 	</FormTextarea>
 
 	<div class="_formBlock" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-		<FormButton :disabled="installThemeCode == null" inline @click="() => preview(installThemeCode)"><i class="fas fa-eye"></i> {{ i18n.locale.preview }}</FormButton>
-		<FormButton :disabled="installThemeCode == null" primary inline @click="() => install(installThemeCode)"><i class="fas fa-check"></i> {{ i18n.locale.install }}</FormButton>
+		<FormButton :disabled="installThemeCode == null" inline @click="() => preview(installThemeCode)"><i class="fas fa-eye"></i> {{ i18n.ts.preview }}</FormButton>
+		<FormButton :disabled="installThemeCode == null" primary inline @click="() => install(installThemeCode)"><i class="fas fa-check"></i> {{ i18n.ts.install }}</FormButton>
 	</div>
 </div>
 </template>
@@ -32,21 +32,21 @@ function parseThemeCode(code: string) {
 	} catch (e) {
 		os.alert({
 			type: 'error',
-			text: i18n.locale._theme.invalid
+			text: i18n.ts._theme.invalid
 		});
 		return false;
 	}
 	if (!validateTheme(theme)) {
 		os.alert({
 			type: 'error',
-			text: i18n.locale._theme.invalid
+			text: i18n.ts._theme.invalid
 		});
 		return false;
 	}
 	if (getThemes().some(t => t.id === theme.id)) {
 		os.alert({
 			type: 'info',
-			text: i18n.locale._theme.alreadyInstalled
+			text: i18n.ts._theme.alreadyInstalled
 		});
 		return false;
 	}
@@ -71,7 +71,7 @@ async function install(code: string): Promise<void> {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale._theme.install,
+		title: i18n.ts._theme.install,
 		icon: 'fas fa-download',
 		bg: 'var(--bg)',
 	},
diff --git a/packages/client/src/pages/settings/theme.vue b/packages/client/src/pages/settings/theme.vue
index 658e36ec0..3e4ec1b2a 100644
--- a/packages/client/src/pages/settings/theme.vue
+++ b/packages/client/src/pages/settings/theme.vue
@@ -116,7 +116,7 @@ export default defineComponent({
 
 	setup(props, { emit }) {
 		const INFO = {
-			title: i18n.locale.theme,
+			title: i18n.ts.theme,
 			icon: 'fas fa-palette',
 				bg: 'var(--bg)',
 		};
@@ -184,7 +184,7 @@ export default defineComponent({
 			themesCount,
 			wallpaper,
 			setWallpaper(e) {
-				selectFile(e.currentTarget || e.target, null).then(file => {
+				selectFile(e.currentTarget ?? e.target, null).then(file => {
 					wallpaper.value = file.url;
 				});
 			},
diff --git a/packages/client/src/pages/share.vue b/packages/client/src/pages/share.vue
index 5df6256fb..4d77de581 100644
--- a/packages/client/src/pages/share.vue
+++ b/packages/client/src/pages/share.vue
@@ -5,7 +5,7 @@
 			<XPostForm
 				v-if="state === 'writing'"
 				fixed
-				:share="true"
+				:instant="true"
 				:initial-text="initialText"
 				:initial-visibility="visibility"
 				:initial-files="files"
diff --git a/packages/client/src/pages/signup-complete.vue b/packages/client/src/pages/signup-complete.vue
index a10af1a4c..344c9195f 100644
--- a/packages/client/src/pages/signup-complete.vue
+++ b/packages/client/src/pages/signup-complete.vue
@@ -1,6 +1,6 @@
 <template>
 <div>
-	{{ i18n.locale.processing }}
+	{{ i18n.ts.processing }}
 </div>
 </template>
 
@@ -18,7 +18,7 @@ const props = defineProps<{
 onMounted(async () => {
 	await os.alert({
 		type: 'info',
-		text: i18n.t('clickToFinishEmailVerification', { ok: i18n.locale.gotIt }),
+		text: i18n.t('clickToFinishEmailVerification', { ok: i18n.ts.gotIt }),
 	});
 	const res = await os.apiWithDialog('signup-pending', {
 		code: props.code,
@@ -28,7 +28,7 @@ onMounted(async () => {
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.signup,
+		title: i18n.ts.signup,
 		icon: 'fas fa-user',
 	},
 });
diff --git a/packages/client/src/pages/theme-editor.vue b/packages/client/src/pages/theme-editor.vue
index 80b8c7806..a53e23c1c 100644
--- a/packages/client/src/pages/theme-editor.vue
+++ b/packages/client/src/pages/theme-editor.vue
@@ -2,7 +2,7 @@
 <MkSpacer :content-max="800" :margin-min="16" :margin-max="32">
 	<div class="cwepdizn _formRoot">
 		<FormFolder :default-open="true" class="_formBlock">
-			<template #label>{{ i18n.locale.backgroundColor }}</template>
+			<template #label>{{ i18n.ts.backgroundColor }}</template>
 			<div class="cwepdizn-colors">
 				<div class="row">
 					<button v-for="color in bgColors.filter(x => x.kind === 'light')" :key="color.color" class="color _button" :class="{ active: theme.props.bg === color.color }" @click="setBgColor(color)">
@@ -18,7 +18,7 @@
 		</FormFolder>
 
 		<FormFolder :default-open="true" class="_formBlock">
-			<template #label>{{ i18n.locale.accentColor }}</template>
+			<template #label>{{ i18n.ts.accentColor }}</template>
 			<div class="cwepdizn-colors">
 				<div class="row">
 					<button v-for="color in accentColors" :key="color" class="color rounded _button" :class="{ active: theme.props.accent === color }" @click="setAccentColor(color)">
@@ -29,7 +29,7 @@
 		</FormFolder>
 
 		<FormFolder :default-open="true" class="_formBlock">
-			<template #label>{{ i18n.locale.textColor }}</template>
+			<template #label>{{ i18n.ts.textColor }}</template>
 			<div class="cwepdizn-colors">
 				<div class="row">
 					<button v-for="color in fgColors" :key="color" class="color char _button" :class="{ active: (theme.props.fg === color.forLight) || (theme.props.fg === color.forDark) }" @click="setFgColor(color)">
@@ -41,22 +41,22 @@
 
 		<FormFolder :default-open="false" class="_formBlock">
 			<template #icon><i class="fas fa-code"></i></template>
-			<template #label>{{ i18n.locale.editCode }}</template>
+			<template #label>{{ i18n.ts.editCode }}</template>
 
 			<div class="_formRoot">
 				<FormTextarea v-model="themeCode" tall class="_formBlock">
-					<template #label>{{ i18n.locale._theme.code }}</template>
+					<template #label>{{ i18n.ts._theme.code }}</template>
 				</FormTextarea>
-				<FormButton primary class="_formBlock" @click="applyThemeCode">{{ i18n.locale.apply }}</FormButton>
+				<FormButton primary class="_formBlock" @click="applyThemeCode">{{ i18n.ts.apply }}</FormButton>
 			</div>
 		</FormFolder>
 
 		<FormFolder :default-open="false" class="_formBlock">
-			<template #label>{{ i18n.locale.addDescription }}</template>
+			<template #label>{{ i18n.ts.addDescription }}</template>
 
 			<div class="_formRoot">
 				<FormTextarea v-model="description">
-					<template #label>{{ i18n.locale._theme.description }}</template>
+					<template #label>{{ i18n.ts._theme.description }}</template>
 				</FormTextarea>
 			</div>
 		</FormFolder>
@@ -167,7 +167,7 @@ function applyThemeCode() {
 	} catch (err) {
 		os.alert({
 			type: 'error',
-			text: i18n.locale._theme.invalid,
+			text: i18n.ts._theme.invalid,
 		});
 		return;
 	}
@@ -177,7 +177,7 @@ function applyThemeCode() {
 
 async function saveAs() {
 	const { canceled, result: name } = await os.inputText({
-		title: i18n.locale.name,
+		title: i18n.ts.name,
 		allowEmpty: false,
 	});
 	if (canceled) return;
@@ -204,18 +204,18 @@ watch($$(theme), apply, { deep: true });
 
 defineExpose({
 	[symbols.PAGE_INFO]: {
-		title: i18n.locale.themeEditor,
+		title: i18n.ts.themeEditor,
 		icon: 'fas fa-palette',
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
 			icon: 'fas fa-eye',
-			text: i18n.locale.preview,
+			text: i18n.ts.preview,
 			handler: showPreview,
 		}, {
 			asFullButton: true,
 			icon: 'fas fa-check',
-			text: i18n.locale.saveAs,
+			text: i18n.ts.saveAs,
 			handler: saveAs,
 		}],
 	},
diff --git a/packages/client/src/pages/timeline.vue b/packages/client/src/pages/timeline.vue
index aabb953ae..b2266d22c 100644
--- a/packages/client/src/pages/timeline.vue
+++ b/packages/client/src/pages/timeline.vue
@@ -64,7 +64,7 @@ async function chooseList(ev: MouseEvent): Promise<void> {
 		text: list.name,
 		to: `/timeline/list/${list.id}`,
 	}));
-	os.popupMenu(items, ev.currentTarget || ev.target);
+	os.popupMenu(items, ev.currentTarget ?? ev.target);
 }
 
 async function chooseAntenna(ev: MouseEvent): Promise<void> {
@@ -75,7 +75,7 @@ async function chooseAntenna(ev: MouseEvent): Promise<void> {
 		indicate: antenna.hasUnreadNote,
 		to: `/timeline/antenna/${antenna.id}`,
 	}));
-	os.popupMenu(items, ev.currentTarget || ev.target);
+	os.popupMenu(items, ev.currentTarget ?? ev.target);
 }
 
 async function chooseChannel(ev: MouseEvent): Promise<void> {
@@ -86,7 +86,7 @@ async function chooseChannel(ev: MouseEvent): Promise<void> {
 		indicate: channel.hasUnreadNote,
 		to: `/channels/${channel.id}`,
 	}));
-	os.popupMenu(items, ev.currentTarget || ev.target);
+	os.popupMenu(items, ev.currentTarget ?? ev.target);
 }
 
 function saveSrc(): void {
@@ -97,7 +97,7 @@ function saveSrc(): void {
 
 async function timetravel(): Promise<void> {
 	const { canceled, result: date } = await os.inputDate({
-		title: i18n.locale.date,
+		title: i18n.ts.date,
 	});
 	if (canceled) return;
 
@@ -110,47 +110,47 @@ function focus(): void {
 
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
-		title: i18n.locale.timeline,
+		title: i18n.ts.timeline,
 		icon: src === 'local' ? 'fas fa-comments' : src === 'social' ? 'fas fa-share-alt' : src === 'global' ? 'fas fa-globe' : 'fas fa-home',
 		bg: 'var(--bg)',
 		actions: [{
 			icon: 'fas fa-list-ul',
-			text: i18n.locale.lists,
+			text: i18n.ts.lists,
 			handler: chooseList,
 		}, {
 			icon: 'fas fa-satellite',
-			text: i18n.locale.antennas,
+			text: i18n.ts.antennas,
 			handler: chooseAntenna,
 		}, {
 			icon: 'fas fa-satellite-dish',
-			text: i18n.locale.channel,
+			text: i18n.ts.channel,
 			handler: chooseChannel,
 		}, {
 			icon: 'fas fa-calendar-alt',
-			text: i18n.locale.jumpToSpecifiedDate,
+			text: i18n.ts.jumpToSpecifiedDate,
 			handler: timetravel,
 		}],
 		tabs: [{
 			active: src === 'home',
-			title: i18n.locale._timelines.home,
+			title: i18n.ts._timelines.home,
 			icon: 'fas fa-home',
 			iconOnly: true,
 			onClick: () => { src = 'home'; saveSrc(); },
 		}, ...(isLocalTimelineAvailable ? [{
 			active: src === 'local',
-			title: i18n.locale._timelines.local,
+			title: i18n.ts._timelines.local,
 			icon: 'fas fa-comments',
 			iconOnly: true,
 			onClick: () => { src = 'local'; saveSrc(); },
 		}, {
 			active: src === 'social',
-			title: i18n.locale._timelines.social,
+			title: i18n.ts._timelines.social,
 			icon: 'fas fa-share-alt',
 			iconOnly: true,
 			onClick: () => { src = 'social'; saveSrc(); },
 		}] : []), ...(isGlobalTimelineAvailable ? [{
 			active: src === 'global',
-			title: i18n.locale._timelines.global,
+			title: i18n.ts._timelines.global,
 			icon: 'fas fa-globe',
 			iconOnly: true,
 			onClick: () => { src = 'global'; saveSrc(); },
diff --git a/packages/client/src/pages/user/index.vue b/packages/client/src/pages/user/index.vue
index 599e24d81..10a86243f 100644
--- a/packages/client/src/pages/user/index.vue
+++ b/packages/client/src/pages/user/index.vue
@@ -264,7 +264,7 @@ export default defineComponent({
 		},
 
 		menu(ev) {
-			os.popupMenu(getUserMenu(this.user), ev.currentTarget || ev.target);
+			os.popupMenu(getUserMenu(this.user), ev.currentTarget ?? ev.target);
 		},
 
 		parallaxLoop() {
diff --git a/packages/client/src/pages/welcome.entrance.a.vue b/packages/client/src/pages/welcome.entrance.a.vue
index efdc038b7..47e1f1234 100644
--- a/packages/client/src/pages/welcome.entrance.a.vue
+++ b/packages/client/src/pages/welcome.entrance.a.vue
@@ -135,7 +135,7 @@ export default defineComponent({
 				action: () => {
 					window.open(`https://misskey-hub.net/help.md`, '_blank');
 				}
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		},
 
 		number
diff --git a/packages/client/src/pages/welcome.entrance.b.vue b/packages/client/src/pages/welcome.entrance.b.vue
index 93344dc9a..053087fda 100644
--- a/packages/client/src/pages/welcome.entrance.b.vue
+++ b/packages/client/src/pages/welcome.entrance.b.vue
@@ -119,7 +119,7 @@ export default defineComponent({
 				action: () => {
 					window.open(`https://misskey-hub.net/help.md`, '_blank');
 				}
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		},
 
 		number
diff --git a/packages/client/src/pages/welcome.entrance.c.vue b/packages/client/src/pages/welcome.entrance.c.vue
index 36b61647a..6bf487e16 100644
--- a/packages/client/src/pages/welcome.entrance.c.vue
+++ b/packages/client/src/pages/welcome.entrance.c.vue
@@ -139,7 +139,7 @@ export default defineComponent({
 				action: () => {
 					window.open(`https://misskey-hub.net/help.md`, '_blank');
 				}
-			}], ev.currentTarget || ev.target);
+			}], ev.currentTarget ?? ev.target);
 		},
 
 		number
diff --git a/packages/client/src/scripts/get-note-menu.ts b/packages/client/src/scripts/get-note-menu.ts
index 3634f3963..b19656d3c 100644
--- a/packages/client/src/scripts/get-note-menu.ts
+++ b/packages/client/src/scripts/get-note-menu.ts
@@ -27,7 +27,7 @@ export function getNoteMenu(props: {
 	function del(): void {
 		os.confirm({
 			type: 'warning',
-			text: i18n.locale.noteDeleteConfirm,
+			text: i18n.ts.noteDeleteConfirm,
 		}).then(({ canceled }) => {
 			if (canceled) return;
 
@@ -40,7 +40,7 @@ export function getNoteMenu(props: {
 	function delEdit(): void {
 		os.confirm({
 			type: 'warning',
-			text: i18n.locale.deleteAndEditConfirm,
+			text: i18n.ts.deleteAndEditConfirm,
 		}).then(({ canceled }) => {
 			if (canceled) return;
 
@@ -87,7 +87,7 @@ export function getNoteMenu(props: {
 			if (e.id === '72dab508-c64d-498f-8740-a8eec1ba385a') {
 				os.alert({
 					type: 'error',
-					text: i18n.locale.pinLimitExceeded
+					text: i18n.ts.pinLimitExceeded
 				});
 			}
 		});
@@ -97,22 +97,22 @@ export function getNoteMenu(props: {
 		const clips = await os.api('clips/list');
 		os.popupMenu([{
 			icon: 'fas fa-plus',
-			text: i18n.locale.createNew,
+			text: i18n.ts.createNew,
 			action: async () => {
-				const { canceled, result } = await os.form(i18n.locale.createNewClip, {
+				const { canceled, result } = await os.form(i18n.ts.createNewClip, {
 					name: {
 						type: 'string',
-						label: i18n.locale.name
+						label: i18n.ts.name
 					},
 					description: {
 						type: 'string',
 						required: false,
 						multiline: true,
-						label: i18n.locale.description
+						label: i18n.ts.description
 					},
 					isPublic: {
 						type: 'boolean',
-						label: i18n.locale.public,
+						label: i18n.ts.public,
 						default: false
 					}
 				});
@@ -133,7 +133,7 @@ export function getNoteMenu(props: {
 
 	async function promote(): Promise<void> {
 		const { canceled, result: days } = await os.inputNumber({
-			title: i18n.locale.numberOfDays,
+			title: i18n.ts.numberOfDays,
 		});
 
 		if (canceled) return;
@@ -171,69 +171,69 @@ export function getNoteMenu(props: {
 
 		menu = [{
 			icon: 'fas fa-copy',
-			text: i18n.locale.copyContent,
+			text: i18n.ts.copyContent,
 			action: copyContent
 		}, {
 			icon: 'fas fa-link',
-			text: i18n.locale.copyLink,
+			text: i18n.ts.copyLink,
 			action: copyLink
 		}, (appearNote.url || appearNote.uri) ? {
 			icon: 'fas fa-external-link-square-alt',
-			text: i18n.locale.showOnRemote,
+			text: i18n.ts.showOnRemote,
 			action: () => {
 				window.open(appearNote.url || appearNote.uri, '_blank');
 			}
 		} : undefined,
 		{
 			icon: 'fas fa-share-alt',
-			text: i18n.locale.share,
+			text: i18n.ts.share,
 			action: share
 		},
 		instance.translatorAvailable ? {
 			icon: 'fas fa-language',
-			text: i18n.locale.translate,
+			text: i18n.ts.translate,
 			action: translate
 		} : undefined,
 		null,
 		statePromise.then(state => state.isFavorited ? {
 			icon: 'fas fa-star',
-			text: i18n.locale.unfavorite,
+			text: i18n.ts.unfavorite,
 			action: () => toggleFavorite(false)
 		} : {
 			icon: 'fas fa-star',
-			text: i18n.locale.favorite,
+			text: i18n.ts.favorite,
 			action: () => toggleFavorite(true)
 		}),
 		{
 			icon: 'fas fa-paperclip',
-			text: i18n.locale.clip,
+			text: i18n.ts.clip,
 			action: () => clip()
 		},
 		(appearNote.userId != $i.id) ? statePromise.then(state => state.isWatching ? {
 			icon: 'fas fa-eye-slash',
-			text: i18n.locale.unwatch,
+			text: i18n.ts.unwatch,
 			action: () => toggleWatch(false)
 		} : {
 			icon: 'fas fa-eye',
-			text: i18n.locale.watch,
+			text: i18n.ts.watch,
 			action: () => toggleWatch(true)
 		}) : undefined,
 		statePromise.then(state => state.isMutedThread ? {
 			icon: 'fas fa-comment-slash',
-			text: i18n.locale.unmuteThread,
+			text: i18n.ts.unmuteThread,
 			action: () => toggleThreadMute(false)
 		} : {
 			icon: 'fas fa-comment-slash',
-			text: i18n.locale.muteThread,
+			text: i18n.ts.muteThread,
 			action: () => toggleThreadMute(true)
 		}),
 		appearNote.userId == $i.id ? ($i.pinnedNoteIds || []).includes(appearNote.id) ? {
 			icon: 'fas fa-thumbtack',
-			text: i18n.locale.unpin,
+			text: i18n.ts.unpin,
 			action: () => togglePin(false)
 		} : {
 			icon: 'fas fa-thumbtack',
-			text: i18n.locale.pin,
+			text: i18n.ts.pin,
 			action: () => togglePin(true)
 		} : undefined,
 		/*
@@ -241,7 +241,7 @@ export function getNoteMenu(props: {
 			null,
 			{
 				icon: 'fas fa-bullhorn',
-				text: i18n.locale.promote,
+				text: i18n.ts.promote,
 				action: promote
 			}]
 			: []
@@ -250,7 +250,7 @@ export function getNoteMenu(props: {
 			null,
 			{
 				icon: 'fas fa-exclamation-circle',
-				text: i18n.locale.reportAbuse,
+				text: i18n.ts.reportAbuse,
 				action: () => {
 					const u = appearNote.url || appearNote.uri || `${url}/notes/${appearNote.id}`;
 					os.popup(import('@/components/abuse-report-window.vue'), {
@@ -265,12 +265,12 @@ export function getNoteMenu(props: {
 			null,
 			appearNote.userId == $i.id ? {
 				icon: 'fas fa-edit',
-				text: i18n.locale.deleteAndEdit,
+				text: i18n.ts.deleteAndEdit,
 				action: delEdit
 			} : undefined,
 			{
 				icon: 'fas fa-trash-alt',
-				text: i18n.locale.delete,
+				text: i18n.ts.delete,
 				danger: true,
 				action: del
 			}]
@@ -280,15 +280,15 @@ export function getNoteMenu(props: {
 	} else {
 		menu = [{
 			icon: 'fas fa-copy',
-			text: i18n.locale.copyContent,
+			text: i18n.ts.copyContent,
 			action: copyContent
 		}, {
 			icon: 'fas fa-link',
-			text: i18n.locale.copyLink,
+			text: i18n.ts.copyLink,
 			action: copyLink
 		}, (appearNote.url || appearNote.uri) ? {
 			icon: 'fas fa-external-link-square-alt',
-			text: i18n.locale.showOnRemote,
+			text: i18n.ts.showOnRemote,
 			action: () => {
 				window.open(appearNote.url || appearNote.uri, '_blank');
 			}
diff --git a/packages/client/src/scripts/get-note-summary.ts b/packages/client/src/scripts/get-note-summary.ts
index bd394279c..54b8d109d 100644
--- a/packages/client/src/scripts/get-note-summary.ts
+++ b/packages/client/src/scripts/get-note-summary.ts
@@ -7,11 +7,11 @@ import { i18n } from '@/i18n';
  */
 export const getNoteSummary = (note: misskey.entities.Note): string => {
 	if (note.deletedAt) {
-		return `(${i18n.locale.deletedNote})`;
+		return `(${i18n.ts.deletedNote})`;
 	}
 
 	if (note.isHidden) {
-		return `(${i18n.locale.invisibleNote})`;
+		return `(${i18n.ts.invisibleNote})`;
 	}
 
 	let summary = '';
@@ -30,7 +30,7 @@ export const getNoteSummary = (note: misskey.entities.Note): string => {
 
 	// 投票が添付されているとき
 	if (note.poll) {
-		summary += ` (${i18n.locale.poll})`;
+		summary += ` (${i18n.ts.poll})`;
 	}
 
 	// 返信のとき
diff --git a/packages/client/src/scripts/get-user-menu.ts b/packages/client/src/scripts/get-user-menu.ts
index 7b910a008..6d1f25a94 100644
--- a/packages/client/src/scripts/get-user-menu.ts
+++ b/packages/client/src/scripts/get-user-menu.ts
@@ -11,12 +11,12 @@ export function getUserMenu(user) {
 	const meId = $i ? $i.id : null;
 
 	async function pushList() {
-		const t = i18n.locale.selectList; // なぜか後で参照すると null になるので最初にメモリに確保しておく
+		const t = i18n.ts.selectList; // なぜか後で参照すると null になるので最初にメモリに確保しておく
 		const lists = await os.api('users/lists/list');
 		if (lists.length === 0) {
 			os.alert({
 				type: 'error',
-				text: i18n.locale.youHaveNoLists
+				text: i18n.ts.youHaveNoLists
 			});
 			return;
 		}
@@ -38,12 +38,12 @@ export function getUserMenu(user) {
 		if (groups.length === 0) {
 			os.alert({
 				type: 'error',
-				text: i18n.locale.youHaveNoGroups
+				text: i18n.ts.youHaveNoGroups
 			});
 			return;
 		}
 		const { canceled, result: groupId } = await os.select({
-			title: i18n.locale.group,
+			title: i18n.ts.group,
 			items: groups.map(group => ({
 				value: group.id, text: group.name
 			}))
@@ -64,7 +64,7 @@ export function getUserMenu(user) {
 	}
 
 	async function toggleBlock() {
-		if (!await getConfirmed(user.isBlocking ? i18n.locale.unblockConfirm : i18n.locale.blockConfirm)) return;
+		if (!await getConfirmed(user.isBlocking ? i18n.ts.unblockConfirm : i18n.ts.blockConfirm)) return;
 
 		os.apiWithDialog(user.isBlocking ? 'blocking/delete' : 'blocking/create', {
 			userId: user.id
@@ -119,70 +119,70 @@ export function getUserMenu(user) {
 
 	let menu = [{
 		icon: 'fas fa-at',
-		text: i18n.locale.copyUsername,
+		text: i18n.ts.copyUsername,
 		action: () => {
 			copyToClipboard(`@${user.username}@${user.host || host}`);
 		}
 	}, {
 		icon: 'fas fa-info-circle',
-		text: i18n.locale.info,
+		text: i18n.ts.info,
 		action: () => {
 			os.pageWindow(`/user-info/${user.id}`);
 		}
 	}, {
 		icon: 'fas fa-envelope',
-		text: i18n.locale.sendMessage,
+		text: i18n.ts.sendMessage,
 		action: () => {
 			os.post({ specified: user });
 		}
 	}, meId != user.id ? {
 		type: 'link',
 		icon: 'fas fa-comments',
-		text: i18n.locale.startMessaging,
+		text: i18n.ts.startMessaging,
 		to: '/my/messaging/' + Acct.toString(user),
 	} : undefined, null, {
 		icon: 'fas fa-list-ul',
-		text: i18n.locale.addToList,
+		text: i18n.ts.addToList,
 		action: pushList
 	}, meId != user.id ? {
 		icon: 'fas fa-users',
-		text: i18n.locale.inviteToGroup,
+		text: i18n.ts.inviteToGroup,
 		action: inviteGroup
 	} : undefined] as any;
 
 	if ($i && meId != user.id) {
 		menu = menu.concat([null, {
 			icon: user.isMuted ? 'fas fa-eye' : 'fas fa-eye-slash',
-			text: user.isMuted ? i18n.locale.unmute : i18n.locale.mute,
+			text: user.isMuted ? i18n.ts.unmute : i18n.ts.mute,
 			action: toggleMute
 		}, {
 			icon: 'fas fa-ban',
-			text: user.isBlocking ? i18n.locale.unblock : i18n.locale.block,
+			text: user.isBlocking ? i18n.ts.unblock : i18n.ts.block,
 			action: toggleBlock
 		}]);
 
 		if (user.isFollowed) {
 			menu = menu.concat([{
 				icon: 'fas fa-unlink',
-				text: i18n.locale.breakFollow,
+				text: i18n.ts.breakFollow,
 				action: invalidateFollow
 			}]);
 		}
 
 		menu = menu.concat([null, {
 			icon: 'fas fa-exclamation-circle',
-			text: i18n.locale.reportAbuse,
+			text: i18n.ts.reportAbuse,
 			action: reportAbuse
 		}]);
 
 		if (iAmModerator) {
 			menu = menu.concat([null, {
 				icon: 'fas fa-microphone-slash',
-				text: user.isSilenced ? i18n.locale.unsilence : i18n.locale.silence,
+				text: user.isSilenced ? i18n.ts.unsilence : i18n.ts.silence,
 				action: toggleSilence
 			}, {
 				icon: 'fas fa-snowflake',
-				text: user.isSuspended ? i18n.locale.unsuspend : i18n.locale.suspend,
+				text: user.isSuspended ? i18n.ts.unsuspend : i18n.ts.suspend,
 				action: toggleSuspend
 			}]);
 		}
@@ -191,7 +191,7 @@ export function getUserMenu(user) {
 	if ($i && meId === user.id) {
 		menu = menu.concat([null, {
 			icon: 'fas fa-pencil-alt',
-			text: i18n.locale.editProfile,
+			text: i18n.ts.editProfile,
 			action: () => {
 				router.push('/settings/profile');
 			}
diff --git a/packages/client/src/scripts/i18n.ts b/packages/client/src/scripts/i18n.ts
index 4fa398763..3fe88e551 100644
--- a/packages/client/src/scripts/i18n.ts
+++ b/packages/client/src/scripts/i18n.ts
@@ -1,8 +1,8 @@
 export class I18n<T extends Record<string, any>> {
-	public locale: T;
+	public ts: T;
 
 	constructor(locale: T) {
-		this.locale = locale;
+		this.ts = locale;
 
 		//#region BIND
 		this.t = this.t.bind(this);
@@ -11,9 +11,9 @@ export class I18n<T extends Record<string, any>> {
 
 	// string にしているのは、ドット区切りでのパス指定を許可するため
 	// なるべくこのメソッド使うよりもlocale直接参照の方がvueのキャッシュ効いてパフォーマンスが良いかも
-	public t(key: string, args?: Record<string, any>): string {
+	public t(key: string, args?: Record<string, string>): string {
 		try {
-			let str = key.split('.').reduce((o, i) => o[i], this.locale) as string;
+			let str = key.split('.').reduce((o, i) => o[i], this.ts) as unknown as string;
 
 			if (args) {
 				for (const [k, v] of Object.entries(args)) {
@@ -21,7 +21,7 @@ export class I18n<T extends Record<string, any>> {
 				}
 			}
 			return str;
-		} catch (e) {
+		} catch (err) {
 			console.warn(`missing localization '${key}'`);
 			return key;
 		}
diff --git a/packages/client/src/scripts/lookup-user.ts b/packages/client/src/scripts/lookup-user.ts
index 64874f86f..8de5c84ce 100644
--- a/packages/client/src/scripts/lookup-user.ts
+++ b/packages/client/src/scripts/lookup-user.ts
@@ -4,7 +4,7 @@ import * as os from '@/os';
 
 export async function lookupUser() {
 	const { canceled, result } = await os.inputText({
-		title: i18n.locale.usernameOrUserId,
+		title: i18n.ts.usernameOrUserId,
 	});
 	if (canceled) return;
 
@@ -19,7 +19,7 @@ export async function lookupUser() {
 		if (_notFound) {
 			os.alert({
 				type: 'error',
-				text: i18n.locale.noSuchUser
+				text: i18n.ts.noSuchUser
 			});
 		} else {
 			_notFound = true;
diff --git a/packages/client/src/scripts/please-login.ts b/packages/client/src/scripts/please-login.ts
index fe3919e4c..aeaafa124 100644
--- a/packages/client/src/scripts/please-login.ts
+++ b/packages/client/src/scripts/please-login.ts
@@ -6,7 +6,7 @@ export function pleaseLogin() {
 	if ($i) return;
 
 	alert({
-		title: i18n.locale.signinRequired,
+		title: i18n.ts.signinRequired,
 		text: null
 	});
 
diff --git a/packages/client/src/scripts/search.ts b/packages/client/src/scripts/search.ts
index a070b1121..0aedee9c9 100644
--- a/packages/client/src/scripts/search.ts
+++ b/packages/client/src/scripts/search.ts
@@ -4,7 +4,7 @@ import { router } from '@/router';
 
 export async function search() {
 	const { canceled, result: query } = await os.inputText({
-		title: i18n.locale.search,
+		title: i18n.ts.search,
 	});
 	if (canceled || query == null || query === '') return;
 
@@ -46,7 +46,7 @@ export async function search() {
 			uri: q
 		});
 
-		os.promiseDialog(promise, null, null, i18n.locale.fetchingAsApObject);
+		os.promiseDialog(promise, null, null, i18n.ts.fetchingAsApObject);
 
 		const res = await promise;
 
diff --git a/packages/client/src/scripts/select-file.ts b/packages/client/src/scripts/select-file.ts
index 6bb3f8bf8..56e0b564f 100644
--- a/packages/client/src/scripts/select-file.ts
+++ b/packages/client/src/scripts/select-file.ts
@@ -41,9 +41,9 @@ function select(src: any, label: string | null, multiple: boolean): Promise<Driv
 
 		const chooseFileFromUrl = () => {
 			os.inputText({
-				title: i18n.locale.uploadFromUrl,
+				title: i18n.ts.uploadFromUrl,
 				type: 'url',
-				placeholder: i18n.locale.uploadFromUrlDescription
+				placeholder: i18n.ts.uploadFromUrlDescription
 			}).then(({ canceled, result: url }) => {
 				if (canceled) return;
 
@@ -64,8 +64,8 @@ function select(src: any, label: string | null, multiple: boolean): Promise<Driv
 				});
 
 				os.alert({
-					title: i18n.locale.uploadFromUrlRequested,
-					text: i18n.locale.uploadFromUrlMayTakeTime
+					title: i18n.ts.uploadFromUrlRequested,
+					text: i18n.ts.uploadFromUrlMayTakeTime
 				});
 			});
 		};
@@ -74,15 +74,15 @@ function select(src: any, label: string | null, multiple: boolean): Promise<Driv
 			text: label,
 			type: 'label'
 		} : undefined, {
-			text: i18n.locale.upload,
+			text: i18n.ts.upload,
 			icon: 'fas fa-upload',
 			action: chooseFileFromPc
 		}, {
-			text: i18n.locale.fromDrive,
+			text: i18n.ts.fromDrive,
 			icon: 'fas fa-cloud',
 			action: chooseFileFromDrive
 		}, {
-			text: i18n.locale.fromUrl,
+			text: i18n.ts.fromUrl,
 			icon: 'fas fa-link',
 			action: chooseFileFromUrl
 		}], src);
diff --git a/packages/client/src/scripts/show-suspended-dialog.ts b/packages/client/src/scripts/show-suspended-dialog.ts
index dcbb66933..acfbc60e9 100644
--- a/packages/client/src/scripts/show-suspended-dialog.ts
+++ b/packages/client/src/scripts/show-suspended-dialog.ts
@@ -4,7 +4,7 @@ import { i18n } from '@/i18n';
 export function showSuspendedDialog() {
 	return os.alert({
 		type: 'error',
-		title: i18n.locale.yourAccountSuspendedTitle,
-		text: i18n.locale.yourAccountSuspendedDescription
+		title: i18n.ts.yourAccountSuspendedTitle,
+		text: i18n.ts.yourAccountSuspendedDescription
 	});
 }
diff --git a/packages/client/src/scripts/use-leave-guard.ts b/packages/client/src/scripts/use-leave-guard.ts
index 398425625..33eea6b52 100644
--- a/packages/client/src/scripts/use-leave-guard.ts
+++ b/packages/client/src/scripts/use-leave-guard.ts
@@ -12,7 +12,7 @@ export function useLeaveGuard(enabled: Ref<boolean>) {
 
 			const { canceled } = await os.confirm({
 				type: 'warning',
-				text: i18n.locale.leaveConfirm,
+				text: i18n.ts.leaveConfirm,
 			});
 
 			return canceled;
@@ -23,7 +23,7 @@ export function useLeaveGuard(enabled: Ref<boolean>) {
 
 			const { canceled } = await os.confirm({
 				type: 'warning',
-				text: i18n.locale.leaveConfirm,
+				text: i18n.ts.leaveConfirm,
 			});
 
 			return !canceled;
diff --git a/packages/client/src/scripts/use-note-capture.ts b/packages/client/src/scripts/use-note-capture.ts
index bb00e464e..b7cf99d5e 100644
--- a/packages/client/src/scripts/use-note-capture.ts
+++ b/packages/client/src/scripts/use-note-capture.ts
@@ -19,51 +19,41 @@ export function useNoteCapture(props: {
 			case 'reacted': {
 				const reaction = body.reaction;
 
-				const updated = JSON.parse(JSON.stringify(appearNote.value));
-
 				if (body.emoji) {
 					const emojis = appearNote.value.emojis || [];
 					if (!emojis.includes(body.emoji)) {
-						updated.emojis = [...emojis, body.emoji];
+						appearNote.value.emojis = [...emojis, body.emoji];
 					}
 				}
 
 				// TODO: reactionsプロパティがない場合ってあったっけ？ なければ || {} は消せる
 				const currentCount = (appearNote.value.reactions || {})[reaction] || 0;
 
-				updated.reactions[reaction] = currentCount + 1;
+				appearNote.value.reactions[reaction] = currentCount + 1;
 
 				if ($i && (body.userId === $i.id)) {
-					updated.myReaction = reaction;
+					appearNote.value.myReaction = reaction;
 				}
-
-				appearNote.value = updated;
 				break;
 			}
 
 			case 'unreacted': {
 				const reaction = body.reaction;
 
-				const updated = JSON.parse(JSON.stringify(appearNote.value));
-
 				// TODO: reactionsプロパティがない場合ってあったっけ？ なければ || {} は消せる
 				const currentCount = (appearNote.value.reactions || {})[reaction] || 0;
 
-				updated.reactions[reaction] = Math.max(0, currentCount - 1);
+				appearNote.value.reactions[reaction] = Math.max(0, currentCount - 1);
 
 				if ($i && (body.userId === $i.id)) {
-					updated.myReaction = null;
+					appearNote.value.myReaction = null;
 				}
-
-				appearNote.value = updated;
 				break;
 			}
 
 			case 'pollVoted': {
 				const choice = body.choice;
 
-				const updated = JSON.parse(JSON.stringify(appearNote.value));
-
 				const choices = [...appearNote.value.poll.choices];
 				choices[choice] = {
 					...choices[choice],
@@ -73,16 +63,12 @@ export function useNoteCapture(props: {
 					} : {})
 				};
 
-				updated.poll.choices = choices;
-
-				appearNote.value = updated;
+				appearNote.value.poll.choices = choices;
 				break;
 			}
 
 			case 'deleted': {
-				const updated = JSON.parse(JSON.stringify(appearNote.value));
-				updated.value = true;
-				appearNote.value = updated;
+				appearNote.value.deletedAt = new Date();
 				break;
 			}
 		}
diff --git a/packages/client/src/ui/deck.vue b/packages/client/src/ui/deck.vue
index 51a4853e9..9accc34a8 100644
--- a/packages/client/src/ui/deck.vue
+++ b/packages/client/src/ui/deck.vue
@@ -104,7 +104,7 @@ export default defineComponent({
 			];
 
 			const { canceled, result: column } = await os.select({
-				title: i18n.locale._deck.addColumn,
+				title: i18n.ts._deck.addColumn,
 				items: columns.map(column => ({
 					value: column, text: i18n.t('_deck._columns.' + column)
 				}))
@@ -121,7 +121,7 @@ export default defineComponent({
 
 		const onContextmenu = (ev) => {
 			os.contextMenu([{
-				text: i18n.locale._deck.addColumn,
+				text: i18n.ts._deck.addColumn,
 				icon: null,
 				action: addColumn
 			}], ev);
diff --git a/packages/client/src/ui/deck/deck-store.ts b/packages/client/src/ui/deck/deck-store.ts
index 6b6b02f3f..66db5e83e 100644
--- a/packages/client/src/ui/deck/deck-store.ts
+++ b/packages/client/src/ui/deck/deck-store.ts
@@ -77,12 +77,12 @@ export const loadDeck = async () => {
 			deckStore.set('columns', [{
 				id: 'a',
 				type: 'main',
-				name: i18n.locale._deck._columns.main,
+				name: i18n.ts._deck._columns.main,
 				width: 350,
 			}, {
 				id: 'b',
 				type: 'notifications',
-				name: i18n.locale._deck._columns.notifications,
+				name: i18n.ts._deck._columns.notifications,
 				width: 330,
 			}]);
 			deckStore.set('layout', [['a'], ['b']]);
diff --git a/packages/client/src/ui/universal.vue b/packages/client/src/ui/universal.vue
index 16cc9a4f0..8fe9dcffa 100644
--- a/packages/client/src/ui/universal.vue
+++ b/packages/client/src/ui/universal.vue
@@ -171,13 +171,13 @@ export default defineComponent({
 				text: path,
 			}, {
 				icon: 'fas fa-columns',
-				text: i18n.locale.openInSideView,
+				text: i18n.ts.openInSideView,
 				action: () => {
 					this.$refs.side.navigate(path);
 				}
 			}, {
 				icon: 'fas fa-window-maximize',
-				text: i18n.locale.openInWindow,
+				text: i18n.ts.openInWindow,
 				action: () => {
 					os.pageWindow(path);
 				}
diff --git a/packages/client/src/widgets/calendar.vue b/packages/client/src/widgets/calendar.vue
index b0e3edcb1..c6a69b3fb 100644
--- a/packages/client/src/widgets/calendar.vue
+++ b/packages/client/src/widgets/calendar.vue
@@ -79,13 +79,13 @@ const tick = () => {
 	month.value = nm + 1;
 	day.value = nd;
 	weekDay.value = [
-		i18n.locale._weekday.sunday,
-		i18n.locale._weekday.monday,
-		i18n.locale._weekday.tuesday,
-		i18n.locale._weekday.wednesday,
-		i18n.locale._weekday.thursday,
-		i18n.locale._weekday.friday,
-		i18n.locale._weekday.saturday
+		i18n.ts._weekday.sunday,
+		i18n.ts._weekday.monday,
+		i18n.ts._weekday.tuesday,
+		i18n.ts._weekday.wednesday,
+		i18n.ts._weekday.thursday,
+		i18n.ts._weekday.friday,
+		i18n.ts._weekday.saturday
 	][now.getDay()];
 
 	const dayNumer   = now.getTime() - new Date(ny, nm, nd).getTime();
diff --git a/packages/client/src/widgets/timeline.vue b/packages/client/src/widgets/timeline.vue
index fa700cc8e..34e3b20e3 100644
--- a/packages/client/src/widgets/timeline.vue
+++ b/packages/client/src/widgets/timeline.vue
@@ -101,22 +101,22 @@ const choose = async (ev) => {
 		}
 	}));
 	os.popupMenu([{
-		text: i18n.locale._timelines.home,
+		text: i18n.ts._timelines.home,
 		icon: 'fas fa-home',
 		action: () => { setSrc('home') }
 	}, {
-		text: i18n.locale._timelines.local,
+		text: i18n.ts._timelines.local,
 		icon: 'fas fa-comments',
 		action: () => { setSrc('local') }
 	}, {
-		text: i18n.locale._timelines.social,
+		text: i18n.ts._timelines.social,
 		icon: 'fas fa-share-alt',
 		action: () => { setSrc('social') }
 	}, {
-		text: i18n.locale._timelines.global,
+		text: i18n.ts._timelines.global,
 		icon: 'fas fa-globe',
 		action: () => { setSrc('global') }
-	}, antennaItems.length > 0 ? null : undefined, ...antennaItems, listItems.length > 0 ? null : undefined, ...listItems], ev.currentTarget || ev.target).then(() => {
+	}, antennaItems.length > 0 ? null : undefined, ...antennaItems, listItems.length > 0 ? null : undefined, ...listItems], ev.currentTarget ?? ev.target).then(() => {
 		menuOpened.value = false;
 	});
 };
diff --git a/packages/client/src/widgets/trends.vue b/packages/client/src/widgets/trends.vue
index eb5eb4049..a34710eae 100644
--- a/packages/client/src/widgets/trends.vue
+++ b/packages/client/src/widgets/trends.vue
@@ -52,8 +52,8 @@ const stats = ref([]);
 const fetching = ref(true);
 
 const fetch = () => {
-	os.api('hashtags/trend').then(stats => {
-		stats.value = stats;
+	os.api('hashtags/trend').then(res => {
+		stats.value = res;
 		fetching.value = false;
 	});
 };