diff --git a/src/web/app/common/views/components/messaging-room.vue b/src/web/app/common/views/components/messaging-room.vue
index 2fb6671b8c..838e1e2653 100644
--- a/src/web/app/common/views/components/messaging-room.vue
+++ b/src/web/app/common/views/components/messaging-room.vue
@@ -7,9 +7,9 @@
 		<button class="more" :class="{ fetching: fetchingMoreMessages }" v-if="moreMessagesIsInStock" @click="fetchMoreMessages" :disabled="fetchingMoreMessages">
 			<template v-if="fetchingMoreMessages">%fa:spinner .pulse .fw%</template>{{ fetchingMoreMessages ? '%i18n:common.loading%' : '%i18n:common.tags.mk-messaging-room.more%' }}
 		</button>
-		<template v-for="(message, i) in messages">
+		<template v-for="(message, i) in _messages">
 			<mk-messaging-message :message="message" :key="message.id"/>
-			<p class="date" :key="message.id + '-time'" v-if="i != messages.length - 1 && _message._date != _messages[i + 1]._date"><span>{{ _messages[i + 1]._datetext }}</span></p>
+			<p class="date" :key="message.id + '-time'" v-if="i != messages.length - 1 && message._date != _messages[i + 1]._date"><span>{{ _messages[i + 1]._datetext }}</span></p>
 		</template>
 	</div>
 	<footer>
diff --git a/src/web/app/desktop/-tags/notifications.tag b/src/web/app/desktop/-tags/notifications.tag
deleted file mode 100644
index a599e5d6a5..0000000000
--- a/src/web/app/desktop/-tags/notifications.tag
+++ /dev/null
@@ -1,301 +0,0 @@
-<mk-notifications>
-	<div class="notifications" v-if="notifications.length != 0">
-		<template each={ notification, i in notifications }>
-			<div class="notification { notification.type }">
-				<mk-time time={ notification.created_at }/>
-				<template v-if="notification.type == 'reaction'">
-					<a class="avatar-anchor" href={ '/' + notification.user.username } data-user-preview={ notification.user.id }>
-						<img class="avatar" src={ notification.user.avatar_url + '?thumbnail&size=48' } alt="avatar"/>
-					</a>
-					<div class="text">
-						<p><mk-reaction-icon reaction={ notification.reaction }/><a href={ '/' + notification.user.username } data-user-preview={ notification.user.id }>{ notification.user.name }</a></p>
-						<a class="post-ref" href={ '/' + notification.post.user.username + '/' + notification.post.id }>
-							%fa:quote-left%{ getPostSummary(notification.post) }%fa:quote-right%
-						</a>
-					</div>
-				</template>
-				<template v-if="notification.type == 'repost'">
-					<a class="avatar-anchor" href={ '/' + notification.post.user.username } data-user-preview={ notification.post.user_id }>
-						<img class="avatar" src={ notification.post.user.avatar_url + '?thumbnail&size=48' } alt="avatar"/>
-					</a>
-					<div class="text">
-						<p>%fa:retweet%<a href={ '/' + notification.post.user.username } data-user-preview={ notification.post.user_id }>{ notification.post.user.name }</a></p>
-						<a class="post-ref" href={ '/' + notification.post.user.username + '/' + notification.post.id }>
-							%fa:quote-left%{ getPostSummary(notification.post.repost) }%fa:quote-right%
-						</a>
-					</div>
-				</template>
-				<template v-if="notification.type == 'quote'">
-					<a class="avatar-anchor" href={ '/' + notification.post.user.username } data-user-preview={ notification.post.user_id }>
-						<img class="avatar" src={ notification.post.user.avatar_url + '?thumbnail&size=48' } alt="avatar"/>
-					</a>
-					<div class="text">
-						<p>%fa:quote-left%<a href={ '/' + notification.post.user.username } data-user-preview={ notification.post.user_id }>{ notification.post.user.name }</a></p>
-						<a class="post-preview" href={ '/' + notification.post.user.username + '/' + notification.post.id }>{ getPostSummary(notification.post) }</a>
-					</div>
-				</template>
-				<template v-if="notification.type == 'follow'">
-					<a class="avatar-anchor" href={ '/' + notification.user.username } data-user-preview={ notification.user.id }>
-						<img class="avatar" src={ notification.user.avatar_url + '?thumbnail&size=48' } alt="avatar"/>
-					</a>
-					<div class="text">
-						<p>%fa:user-plus%<a href={ '/' + notification.user.username } data-user-preview={ notification.user.id }>{ notification.user.name }</a></p>
-					</div>
-				</template>
-				<template v-if="notification.type == 'reply'">
-					<a class="avatar-anchor" href={ '/' + notification.post.user.username } data-user-preview={ notification.post.user_id }>
-						<img class="avatar" src={ notification.post.user.avatar_url + '?thumbnail&size=48' } alt="avatar"/>
-					</a>
-					<div class="text">
-						<p>%fa:reply%<a href={ '/' + notification.post.user.username } data-user-preview={ notification.post.user_id }>{ notification.post.user.name }</a></p>
-						<a class="post-preview" href={ '/' + notification.post.user.username + '/' + notification.post.id }>{ getPostSummary(notification.post) }</a>
-					</div>
-				</template>
-				<template v-if="notification.type == 'mention'">
-					<a class="avatar-anchor" href={ '/' + notification.post.user.username } data-user-preview={ notification.post.user_id }>
-						<img class="avatar" src={ notification.post.user.avatar_url + '?thumbnail&size=48' } alt="avatar"/>
-					</a>
-					<div class="text">
-						<p>%fa:at%<a href={ '/' + notification.post.user.username } data-user-preview={ notification.post.user_id }>{ notification.post.user.name }</a></p>
-						<a class="post-preview" href={ '/' + notification.post.user.username + '/' + notification.post.id }>{ getPostSummary(notification.post) }</a>
-					</div>
-				</template>
-				<template v-if="notification.type == 'poll_vote'">
-					<a class="avatar-anchor" href={ '/' + notification.user.username } data-user-preview={ notification.user.id }>
-						<img class="avatar" src={ notification.user.avatar_url + '?thumbnail&size=48' } alt="avatar"/>
-					</a>
-					<div class="text">
-						<p>%fa:chart-pie%<a href={ '/' + notification.user.username } data-user-preview={ notification.user.id }>{ notification.user.name }</a></p>
-						<a class="post-ref" href={ '/' + notification.post.user.username + '/' + notification.post.id }>
-							%fa:quote-left%{ getPostSummary(notification.post) }%fa:quote-right%
-						</a>
-					</div>
-				</template>
-			</div>
-			<p class="date" v-if="i != notifications.length - 1 && notification._date != notifications[i + 1]._date">
-				<span>%fa:angle-up%{ notification._datetext }</span>
-				<span>%fa:angle-down%{ notifications[i + 1]._datetext }</span>
-			</p>
-		</template>
-	</div>
-	<button class="more { fetching: fetchingMoreNotifications }" v-if="moreNotifications" @click="fetchMoreNotifications" disabled={ fetchingMoreNotifications }>
-		<template v-if="fetchingMoreNotifications">%fa:spinner .pulse .fw%</template>{ fetchingMoreNotifications ? '%i18n:common.loading%' : '%i18n:desktop.tags.mk-notifications.more%' }
-	</button>
-	<p class="empty" v-if="notifications.length == 0 && !loading">ありません！</p>
-	<p class="loading" v-if="loading">%fa:spinner .pulse .fw%%i18n:common.loading%<mk-ellipsis/></p>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-
-			> .notifications
-				> .notification
-					margin 0
-					padding 16px
-					overflow-wrap break-word
-					font-size 0.9em
-					border-bottom solid 1px rgba(0, 0, 0, 0.05)
-
-					&:last-child
-						border-bottom none
-
-					> mk-time
-						display inline
-						position absolute
-						top 16px
-						right 12px
-						vertical-align top
-						color rgba(0, 0, 0, 0.6)
-						font-size small
-
-					&:after
-						content ""
-						display block
-						clear both
-
-					> .avatar-anchor
-						display block
-						float left
-						position -webkit-sticky
-						position sticky
-						top 16px
-
-						> img
-							display block
-							min-width 36px
-							min-height 36px
-							max-width 36px
-							max-height 36px
-							border-radius 6px
-
-					> .text
-						float right
-						width calc(100% - 36px)
-						padding-left 8px
-
-						p
-							margin 0
-
-							i, mk-reaction-icon
-								margin-right 4px
-
-					.post-preview
-						color rgba(0, 0, 0, 0.7)
-
-					.post-ref
-						color rgba(0, 0, 0, 0.7)
-
-						[data-fa]
-							font-size 1em
-							font-weight normal
-							font-style normal
-							display inline-block
-							margin-right 3px
-
-					&.repost, &.quote
-						.text p i
-							color #77B255
-
-					&.follow
-						.text p i
-							color #53c7ce
-
-					&.reply, &.mention
-						.text p i
-							color #555
-
-				> .date
-					display block
-					margin 0
-					line-height 32px
-					text-align center
-					font-size 0.8em
-					color #aaa
-					background #fdfdfd
-					border-bottom solid 1px rgba(0, 0, 0, 0.05)
-
-					span
-						margin 0 16px
-
-					[data-fa]
-						margin-right 8px
-
-			> .more
-				display block
-				width 100%
-				padding 16px
-				color #555
-				border-top solid 1px rgba(0, 0, 0, 0.05)
-
-				&:hover
-					background rgba(0, 0, 0, 0.025)
-
-				&:active
-					background rgba(0, 0, 0, 0.05)
-
-				&.fetching
-					cursor wait
-
-				> [data-fa]
-					margin-right 4px
-
-			> .empty
-				margin 0
-				padding 16px
-				text-align center
-				color #aaa
-
-			> .loading
-				margin 0
-				padding 16px
-				text-align center
-				color #aaa
-
-				> [data-fa]
-					margin-right 4px
-
-	</style>
-	<script lang="typescript">
-		import getPostSummary from '../../../../common/get-post-summary.ts';
-		this.getPostSummary = getPostSummary;
-
-		this.mixin('i');
-		this.mixin('api');
-		this.mixin('user-preview');
-
-		this.mixin('stream');
-		this.connection = this.stream.getConnection();
-		this.connectionId = this.stream.use();
-
-		this.notifications = [];
-		this.loading = true;
-
-		this.on('mount', () => {
-			const max = 10;
-
-			this.api('i/notifications', {
-				limit: max + 1
-			}).then(notifications => {
-				if (notifications.length == max + 1) {
-					this.moreNotifications = true;
-					notifications.pop();
-				}
-
-				this.update({
-					loading: false,
-					notifications: notifications
-				});
-			});
-
-			this.connection.on('notification', this.onNotification);
-		});
-
-		this.on('unmount', () => {
-			this.connection.off('notification', this.onNotification);
-			this.stream.dispose(this.connectionId);
-		});
-
-		this.on('update', () => {
-			this.notifications.forEach(notification => {
-				const date = new Date(notification.created_at).getDate();
-				const month = new Date(notification.created_at).getMonth() + 1;
-				notification._date = date;
-				notification._datetext = `${month}月 ${date}日`;
-			});
-		});
-
-		this.onNotification = notification => {
-			// TODO: ユーザーが画面を見てないと思われるとき(ブラウザやタブがアクティブじゃないなど)は送信しない
-			this.connection.send({
-				type: 'read_notification',
-				id: notification.id
-			});
-
-			this.notifications.unshift(notification);
-			this.update();
-		};
-
-		this.fetchMoreNotifications = () => {
-			this.update({
-				fetchingMoreNotifications: true
-			});
-
-			const max = 30;
-
-			this.api('i/notifications', {
-				limit: max + 1,
-				until_id: this.notifications[this.notifications.length - 1].id
-			}).then(notifications => {
-				if (notifications.length == max + 1) {
-					this.moreNotifications = true;
-					notifications.pop();
-				} else {
-					this.moreNotifications = false;
-				}
-				this.update({
-					notifications: this.notifications.concat(notifications),
-					fetchingMoreNotifications: false
-				});
-			});
-		};
-	</script>
-</mk-notifications>
diff --git a/src/web/app/desktop/views/components/notifications.vue b/src/web/app/desktop/views/components/notifications.vue
new file mode 100644
index 0000000000..5826fc210d
--- /dev/null
+++ b/src/web/app/desktop/views/components/notifications.vue
@@ -0,0 +1,315 @@
+<template>
+<div class="mk-notifications">
+	<div class="notifications" v-if="notifications.length != 0">
+		<template v-for="(notification, i) in _notifications">
+			<div class="notification" :class="notification.type" :key="notification.id">
+				<mk-time :time="notification.created_at"/>
+				<template v-if="notification.type == 'reaction'">
+					<a class="avatar-anchor" :href="`/${notification.user.username}`" :v-user-preview="notification.user.id">
+						<img class="avatar" :src="`${notification.user.avatar_url}?thumbnail&size=48`" alt="avatar"/>
+					</a>
+					<div class="text">
+						<p>
+							<mk-reaction-icon reaction={ notification.reaction }/>
+							<a :href="`/${notification.user.username}`" :v-user-preview="notification.user.id">{{ notification.user.name }}</a>
+						</p>
+						<a class="post-ref" :href="`/${notification.post.user.username}/${notification.post.id}`">
+							%fa:quote-left%{{ getPostSummary(notification.post) }}%fa:quote-right%
+						</a>
+					</div>
+				</template>
+				<template v-if="notification.type == 'repost'">
+					<a class="avatar-anchor" :href="`/${notification.post.user.username}`" :v-user-preview="notification.post.user_id">
+						<img class="avatar" :src="`${notification.post.user.avatar_url}?thumbnail&size=48`" alt="avatar"/>
+					</a>
+					<div class="text">
+						<p>%fa:retweet%
+							<a :href="`/${notification.post.user.username}`" :v-user-preview="notification.post.user_id">{{ notification.post.user.name }}</a>
+						</p>
+						<a class="post-ref" :href="`/${notification.post.user.username}/${notification.post.id}`">
+							%fa:quote-left%{{ getPostSummary(notification.post.repost) }}%fa:quote-right%
+						</a>
+					</div>
+				</template>
+				<template v-if="notification.type == 'quote'">
+					<a class="avatar-anchor" :href="`/${notification.post.user.username}`" :v-user-preview="notification.post.user_id">
+						<img class="avatar" :src="`${notification.post.user.avatar_url}?thumbnail&size=48`" alt="avatar"/>
+					</a>
+					<div class="text">
+						<p>%fa:quote-left%
+							<a :href="`/${notification.post.user.username}`" :v-user-preview="notification.post.user_id">{{ notification.post.user.name }}</a>
+						</p>
+						<a class="post-preview" :href="`/${notification.post.user.username}/${notification.post.id}`">{{ getPostSummary(notification.post) }}</a>
+					</div>
+				</template>
+				<template v-if="notification.type == 'follow'">
+					<a class="avatar-anchor" :href="`/${notification.user.username}`" :v-user-preview="notification.user.id">
+						<img class="avatar" :src="`${notification.user.avatar_url}?thumbnail&size=48`" alt="avatar"/>
+					</a>
+					<div class="text">
+						<p>%fa:user-plus%
+							<a :href="`/${notification.user.username}`" :v-user-preview="notification.user.id">{{ notification.user.name }}</a>
+						</p>
+					</div>
+				</template>
+				<template v-if="notification.type == 'reply'">
+					<a class="avatar-anchor" :href="`/${notification.post.user.username}`" :v-user-preview="notification.post.user_id">
+						<img class="avatar" :src="`${notification.post.user.avatar_url}?thumbnail&size=48`" alt="avatar"/>
+					</a>
+					<div class="text">
+						<p>%fa:reply%
+							<a :href="`/${notification.post.user.username}`" :v-user-preview="notification.post.user_id">{{ notification.post.user.name }}</a>
+						</p>
+						<a class="post-preview" :href="`/${notification.post.user.username}/${notification.post.id}`">{{ getPostSummary(notification.post) }}</a>
+					</div>
+				</template>
+				<template v-if="notification.type == 'mention'">
+					<a class="avatar-anchor" :href="`/${notification.post.user.username}`" :v-user-preview="notification.post.user_id">
+						<img class="avatar" :src="`${notification.post.user.avatar_url}?thumbnail&size=48`" alt="avatar"/>
+					</a>
+					<div class="text">
+						<p>%fa:at%
+							<a :href="`/${notification.post.user.username}`" :v-user-preview="notification.post.user_id">{{ notification.post.user.name }}</a>
+						</p>
+						<a class="post-preview" :href="`/${notification.post.user.username}/${notification.post.id}`">{{ getPostSummary(notification.post) }}</a>
+					</div>
+				</template>
+				<template v-if="notification.type == 'poll_vote'">
+					<a class="avatar-anchor" :href="`/${notification.user.username}`" :v-user-preview="notification.user.id">
+						<img class="avatar" :src="`${notification.user.avatar_url}?thumbnail&size=48`" alt="avatar"/>
+					</a>
+					<div class="text">
+						<p>%fa:chart-pie%<a :href="`/${notification.user.username}`" :v-user-preview="notification.user.id">{{ notification.user.name }}</a></p>
+						<a class="post-ref" :href="`/${notification.post.user.username}/${notification.post.id}`">
+							%fa:quote-left%{{ getPostSummary(notification.post) }}%fa:quote-right%
+						</a>
+					</div>
+				</template>
+			</div>
+			<p class="date" v-if="i != notifications.length - 1 && notification._date != _notifications[i + 1]._date" :key="notification.id + '-time'">
+				<span>%fa:angle-up%{{ notification._datetext }}</span>
+				<span>%fa:angle-down%{{ _notifications[i + 1]._datetext }}</span>
+			</p>
+		</template>
+	</div>
+	<button class="more" :class="{ fetching: fetchingMoreNotifications }" v-if="moreNotifications" @click="fetchMoreNotifications" :disabled="fetchingMoreNotifications">
+		<template v-if="fetchingMoreNotifications">%fa:spinner .pulse .fw%</template>{{ fetchingMoreNotifications ? '%i18n:common.loading%' : '%i18n:desktop.tags.mk-notifications.more%' }}
+	</button>
+	<p class="empty" v-if="notifications.length == 0 && !fetching">ありません！</p>
+	<p class="loading" v-if="fetching">%fa:spinner .pulse .fw%%i18n:common.loading%<mk-ellipsis/></p>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+import getPostSummary from '../../../../../common/get-post-summary';
+
+export default Vue.extend({
+	data() {
+		return {
+			fetching: true,
+			fetchingMoreNotifications: false,
+			notifications: [],
+			moreNotifications: false,
+			connection: null,
+			connectionId: null,
+			getPostSummary
+		};
+	},
+	computed: {
+		_notifications(): any[] {
+			return (this.notifications as any).map(notification => {
+				const date = new Date(notification.created_at).getDate();
+				const month = new Date(notification.created_at).getMonth() + 1;
+				notification._date = date;
+				notification._datetext = `${month}月 ${date}日`;
+				return notification;
+			});
+		}
+	},
+	mounted() {
+		this.connection = this.$root.$data.os.stream.getConnection();
+		this.connectionId = this.$root.$data.os.stream.use();
+
+		this.connection.on('notification', this.onNotification);
+
+		const max = 10;
+
+		this.$root.$data.os.api('i/notifications', {
+			limit: max + 1
+		}).then(notifications => {
+			if (notifications.length == max + 1) {
+				this.moreNotifications = true;
+				notifications.pop();
+			}
+
+			this.notifications = notifications;
+			this.fetching = false;
+		});
+	},
+	beforeDestroy() {
+		this.connection.off('notification', this.onNotification);
+		this.$root.$data.os.stream.dispose(this.connectionId);
+	},
+	methods: {
+		fetchMoreNotifications() {
+			this.fetchingMoreNotifications = true;
+
+			const max = 30;
+
+			this.$root.$data.os.api('i/notifications', {
+				limit: max + 1,
+				until_id: this.notifications[this.notifications.length - 1].id
+			}).then(notifications => {
+				if (notifications.length == max + 1) {
+					this.moreNotifications = true;
+					notifications.pop();
+				} else {
+					this.moreNotifications = false;
+				}
+				this.notifications = this.notifications.concat(notifications);
+				this.fetchingMoreNotifications = false;
+			});
+		},
+		onNotification(notification) {
+			// TODO: ユーザーが画面を見てないと思われるとき(ブラウザやタブがアクティブじゃないなど)は送信しない
+			this.connection.send({
+				type: 'read_notification',
+				id: notification.id
+			});
+
+			this.notifications.unshift(notification);
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+.mk-notifications
+	> .notifications
+		> .notification
+			margin 0
+			padding 16px
+			overflow-wrap break-word
+			font-size 0.9em
+			border-bottom solid 1px rgba(0, 0, 0, 0.05)
+
+			&:last-child
+				border-bottom none
+
+			> mk-time
+				display inline
+				position absolute
+				top 16px
+				right 12px
+				vertical-align top
+				color rgba(0, 0, 0, 0.6)
+				font-size small
+
+			&:after
+				content ""
+				display block
+				clear both
+
+			> .avatar-anchor
+				display block
+				float left
+				position -webkit-sticky
+				position sticky
+				top 16px
+
+				> img
+					display block
+					min-width 36px
+					min-height 36px
+					max-width 36px
+					max-height 36px
+					border-radius 6px
+
+			> .text
+				float right
+				width calc(100% - 36px)
+				padding-left 8px
+
+				p
+					margin 0
+
+					i, mk-reaction-icon
+						margin-right 4px
+
+			.post-preview
+				color rgba(0, 0, 0, 0.7)
+
+			.post-ref
+				color rgba(0, 0, 0, 0.7)
+
+				[data-fa]
+					font-size 1em
+					font-weight normal
+					font-style normal
+					display inline-block
+					margin-right 3px
+
+			&.repost, &.quote
+				.text p i
+					color #77B255
+
+			&.follow
+				.text p i
+					color #53c7ce
+
+			&.reply, &.mention
+				.text p i
+					color #555
+
+		> .date
+			display block
+			margin 0
+			line-height 32px
+			text-align center
+			font-size 0.8em
+			color #aaa
+			background #fdfdfd
+			border-bottom solid 1px rgba(0, 0, 0, 0.05)
+
+			span
+				margin 0 16px
+
+			[data-fa]
+				margin-right 8px
+
+	> .more
+		display block
+		width 100%
+		padding 16px
+		color #555
+		border-top solid 1px rgba(0, 0, 0, 0.05)
+
+		&:hover
+			background rgba(0, 0, 0, 0.025)
+
+		&:active
+			background rgba(0, 0, 0, 0.05)
+
+		&.fetching
+			cursor wait
+
+		> [data-fa]
+			margin-right 4px
+
+	> .empty
+		margin 0
+		padding 16px
+		text-align center
+		color #aaa
+
+	> .loading
+		margin 0
+		padding 16px
+		text-align center
+		color #aaa
+
+		> [data-fa]
+			margin-right 4px
+
+</style>