diff --git a/packages/backend/src/server/api/endpoints/admin/accounts/create.ts b/packages/backend/src/server/api/endpoints/admin/accounts/create.ts
index 06047b58a6..6606202118 100644
--- a/packages/backend/src/server/api/endpoints/admin/accounts/create.ts
+++ b/packages/backend/src/server/api/endpoints/admin/accounts/create.ts
@@ -34,13 +34,22 @@ export const meta = {
 	res: {
 		type: 'object',
 		optional: false, nullable: false,
-		ref: 'MeDetailed',
-		properties: {
-			token: {
-				type: 'string',
-				optional: false, nullable: false,
+		allOf: [
+			{
+				type: 'object',
+				ref: 'MeDetailed',
 			},
-		},
+			{
+				type: 'object',
+				optional: false, nullable: false,
+				properties: {
+					token: {
+						type: 'string',
+						optional: false, nullable: false,
+					},
+				},
+			}
+		],
 	},
 } as const;
 
diff --git a/packages/backend/src/server/api/endpoints/users/lists/show.ts b/packages/backend/src/server/api/endpoints/users/lists/show.ts
index ed5952d4c5..c6d477a92f 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/show.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/show.ts
@@ -22,17 +22,26 @@ export const meta = {
 	res: {
 		type: 'object',
 		optional: false, nullable: false,
-		ref: 'UserList',
-		properties: {
-			likedCount: {
-				type: 'number',
-				optional: true, nullable: false,
+		allOf: [
+			{
+				type: 'object',
+				ref: 'UserList',
 			},
-			isLiked: {
-				type: 'boolean',
-				optional: true, nullable: false,
+			{
+				type: 'object',
+				optional: false, nullable: false,
+				properties: {
+					likedCount: {
+						type: 'number',
+						optional: true, nullable: false,
+					},
+					isLiked: {
+						type: 'boolean',
+						optional: true, nullable: false,
+					},
+				},
 			},
-		},
+		],
 	},
 
 	errors: {
diff --git a/packages/frontend/src/components/MkAvatars.vue b/packages/frontend/src/components/MkAvatars.vue
index 1c44ed60d8..4bd6c62a5f 100644
--- a/packages/frontend/src/components/MkAvatars.vue
+++ b/packages/frontend/src/components/MkAvatars.vue
@@ -29,6 +29,6 @@ const users = ref<Misskey.entities.UserLite[]>([]);
 onMounted(async () => {
 	users.value = await misskeyApi('users/show', {
 		userIds: props.userIds,
-	}) as unknown as Misskey.entities.UserLite[];
+	});
 });
 </script>
diff --git a/packages/frontend/src/components/MkRolePreview.vue b/packages/frontend/src/components/MkRolePreview.vue
index 15149b3f0c..8e5cbde8c3 100644
--- a/packages/frontend/src/components/MkRolePreview.vue
+++ b/packages/frontend/src/components/MkRolePreview.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <MkA :to="forModeration ? `/admin/roles/${role.id}` : `/roles/${role.id}`" :class="$style.root" tabindex="-1" :style="{ '--color': role.color }">
 	<template v-if="forModeration">
-		<i v-if="role.isPublic" class="ti ti-world" :class="$style.icon" style="color: var(--MI_THEME-success)"></i>
+		<i v-if="'isPublic' in role && role.isPublic" class="ti ti-world" :class="$style.icon" style="color: var(--MI_THEME-success)"></i>
 		<i v-else class="ti ti-lock" :class="$style.icon" style="color: var(--MI_THEME-warn)"></i>
 	</template>
 
@@ -23,7 +23,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</template>
 			</span>
 			<span :class="$style.bodyName">{{ role.name }}</span>
-			<template v-if="detailed">
+			<template v-if="detailed && 'target' in role && 'usersCount' in role">
 				<span v-if="role.target === 'manual'" :class="$style.bodyUsers">{{ role.usersCount }} users</span>
 				<span v-else-if="role.target === 'conditional'" :class="$style.bodyUsers">? users</span>
 			</template>
@@ -39,7 +39,7 @@ import * as Misskey from 'misskey-js';
 import { i18n } from '@/i18n.js';
 
 const props = withDefaults(defineProps<{
-	role: Misskey.entities.Role;
+	role: Misskey.entities.Role | Misskey.entities.IResponse['roles'][number];
 	forModeration: boolean;
 	detailed?: boolean;
 }>(), {
diff --git a/packages/frontend/src/components/MkUserPopup.vue b/packages/frontend/src/components/MkUserPopup.vue
index 2a423bfa55..9b587178fe 100644
--- a/packages/frontend/src/components/MkUserPopup.vue
+++ b/packages/frontend/src/components/MkUserPopup.vue
@@ -72,7 +72,7 @@ import { getStaticImageUrl } from '@/utility/media-proxy.js';
 
 const props = defineProps<{
 	showing: boolean;
-	q: string;
+	q: string | Misskey.entities.UserDetailed;
 	source: HTMLElement;
 }>();
 
@@ -99,10 +99,11 @@ async function fetchUser() {
 		user.value = props.q;
 		error.value = false;
 	} else {
-		const query: Omit<Misskey.entities.UsersShowRequest, 'userIds'> = props.q.startsWith('@') ?
+		const query: Misskey.entities.UsersShowRequest = props.q.startsWith('@') ?
 			Misskey.acct.parse(props.q.substring(1)) :
 			{ userId: props.q };
 
+		// @ts-expect-error payloadの引数側の型が正常に解決されない
 		misskeyApi('users/show', query).then(res => {
 			if (!props.showing) return;
 			user.value = res;
diff --git a/packages/frontend/src/components/global/PageWithHeader.vue b/packages/frontend/src/components/global/PageWithHeader.vue
index d368dee88a..aac87b7669 100644
--- a/packages/frontend/src/components/global/PageWithHeader.vue
+++ b/packages/frontend/src/components/global/PageWithHeader.vue
@@ -11,7 +11,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkPageHeader v-else v-model:tab="tab" v-bind="pageHeaderProps"/>
 		</template>
 		<div :class="$style.body">
-			<MkSwiper v-if="prefer.s.enableHorizontalSwipe && swipable && (props.tabs?.length ?? 1) > 1" v-model:tab="tab" :class="$style.swiper" :tabs="props.tabs">
+			<MkSwiper v-if="prefer.s.enableHorizontalSwipe && swipable && (props.tabs?.length ?? 1) > 1" v-model:tab="tab" :class="$style.swiper" :tabs="props.tabs ?? []">
 				<slot></slot>
 			</MkSwiper>
 			<slot v-else></slot>
@@ -45,7 +45,7 @@ const props = withDefaults(defineProps<PageHeaderProps & {
 });
 
 const pageHeaderProps = computed(() => {
-	const { reversed, ...rest } = props;
+	const { reversed, tab, ...rest } = props;
 	return rest;
 });
 
@@ -75,10 +75,6 @@ defineExpose({
 </script>
 
 <style lang="scss" module>
-.root {
-
-}
-
 .body, .swiper {
 	min-height: calc(100cqh - (var(--MI-stickyTop, 0px) + var(--MI-stickyBottom, 0px)));
 }
diff --git a/packages/frontend/src/events.ts b/packages/frontend/src/events.ts
index 649561cd75..8cac1b6d2a 100644
--- a/packages/frontend/src/events.ts
+++ b/packages/frontend/src/events.ts
@@ -24,7 +24,7 @@ export const globalEvents = new EventEmitter<Events>();
 
 export function useGlobalEvent<T extends keyof Events>(
 	event: T,
-	callback: Events[T],
+	callback: EventEmitter.EventListener<Events, T>,
 ): void {
 	globalEvents.on(event, callback);
 	onBeforeUnmount(() => {
diff --git a/packages/frontend/src/lib/pizzax.ts b/packages/frontend/src/lib/pizzax.ts
index 20d44032df..6dffcf9478 100644
--- a/packages/frontend/src/lib/pizzax.ts
+++ b/packages/frontend/src/lib/pizzax.ts
@@ -94,7 +94,7 @@ export class Pizzax<T extends StateDef> {
 
 	private mergeState<X>(value: X, def: X): X {
 		if (this.isPureObject(value) && this.isPureObject(def)) {
-			const merged = deepMerge(value, def);
+			const merged = deepMerge<Record<PropertyKey, unknown>>(value, def);
 
 			if (_DEV_) console.log('Merging state. Incoming: ', value, ' Default: ', def, ' Result: ', merged);
 
diff --git a/packages/frontend/src/os.ts b/packages/frontend/src/os.ts
index 56a2b8d269..504ae19f1d 100644
--- a/packages/frontend/src/os.ts
+++ b/packages/frontend/src/os.ts
@@ -35,9 +35,9 @@ import { focusParent } from '@/utility/focus.js';
 export const openingWindowsCount = ref(0);
 
 export type ApiWithDialogCustomErrors = Record<string, { title?: string; text: string; }>;
-export const apiWithDialog = (<E extends keyof Misskey.Endpoints, P extends Misskey.Endpoints[E]['req'] = Misskey.Endpoints[E]['req']>(
+export const apiWithDialog = (<E extends keyof Misskey.Endpoints>(
 	endpoint: E,
-	data: P,
+	data: Misskey.Endpoints[E]['req'],
 	token?: string | null | undefined,
 	customErrors?: ApiWithDialogCustomErrors,
 ) => {
diff --git a/packages/frontend/src/pages/about.emojis.vue b/packages/frontend/src/pages/about.emojis.vue
index 7e514c5a73..4640812756 100644
--- a/packages/frontend/src/pages/about.emojis.vue
+++ b/packages/frontend/src/pages/about.emojis.vue
@@ -11,12 +11,6 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<MkInput v-model="q" class="" :placeholder="i18n.ts.search" autocapitalize="off">
 			<template #prefix><i class="ti ti-search"></i></template>
 		</MkInput>
-
-		<!-- たくさんあると邪魔
-		<div class="tags">
-			<span class="tag _button" v-for="tag in customEmojiTags" :class="{ active: selectedTags.has(tag) }" @click="toggleTag(tag)">{{ tag }}</span>
-		</div>
-		-->
 	</div>
 
 	<MkFoldableSection v-if="searchEmojis">
@@ -42,51 +36,33 @@ import XEmoji from './emojis.emoji.vue';
 import MkButton from '@/components/MkButton.vue';
 import MkInput from '@/components/MkInput.vue';
 import MkFoldableSection from '@/components/MkFoldableSection.vue';
-import { customEmojis, customEmojiCategories, getCustomEmojiTags } from '@/custom-emojis.js';
+import { customEmojis, customEmojiCategories } from '@/custom-emojis.js';
 import { i18n } from '@/i18n.js';
 import { $i } from '@/i.js';
 
-const customEmojiTags = getCustomEmojiTags();
 const q = ref('');
 const searchEmojis = ref<Misskey.entities.EmojiSimple[] | null>(null);
-const selectedTags = ref(new Set());
 
 function search() {
-	if ((q.value === '' || q.value == null) && selectedTags.value.size === 0) {
+	if (q.value === '' || q.value == null) {
 		searchEmojis.value = null;
 		return;
 	}
 
-	if (selectedTags.value.size === 0) {
-		const queryarry = q.value.match(/\:([a-z0-9_]*)\:/g);
+	const queryarry = q.value.match(/\:([a-z0-9_]*)\:/g);
 
-		if (queryarry) {
-			searchEmojis.value = customEmojis.value.filter(emoji =>
-				queryarry.includes(`:${emoji.name}:`),
-			);
-		} else {
-			searchEmojis.value = customEmojis.value.filter(emoji => emoji.name.includes(q.value) || emoji.aliases.includes(q.value));
-		}
+	if (queryarry) {
+		searchEmojis.value = customEmojis.value.filter(emoji =>
+			queryarry.includes(`:${emoji.name}:`),
+		);
 	} else {
-		searchEmojis.value = customEmojis.value.filter(emoji => (emoji.name.includes(q.value) || emoji.aliases.includes(q.value)) && [...selectedTags.value].every(t => emoji.aliases.includes(t)));
-	}
-}
-
-function toggleTag(tag) {
-	if (selectedTags.value.has(tag)) {
-		selectedTags.value.delete(tag);
-	} else {
-		selectedTags.value.add(tag);
+		searchEmojis.value = customEmojis.value.filter(emoji => emoji.name.includes(q.value) || emoji.aliases.includes(q.value));
 	}
 }
 
 watch(q, () => {
 	search();
 });
-
-watch(selectedTags, () => {
-	search();
-}, { deep: true });
 </script>
 
 <style lang="scss" module>
diff --git a/packages/frontend/src/pages/about.federation.vue b/packages/frontend/src/pages/about.federation.vue
index fd5e061d52..568bf9fd1a 100644
--- a/packages/frontend/src/pages/about.federation.vue
+++ b/packages/frontend/src/pages/about.federation.vue
@@ -59,7 +59,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				}, {
 					label: `${i18n.ts.registeredAt} (${i18n.ts.ascendingOrder})`,
 					value: '-firstRetrievedAt',
-				}] as const"
+				}]"
 			>
 				<template #label>{{ i18n.ts.sort }}</template>
 			</MkSelect>
diff --git a/packages/frontend/src/pages/admin-user.vue b/packages/frontend/src/pages/admin-user.vue
index 38e3c7a11b..86dfd38d81 100644
--- a/packages/frontend/src/pages/admin-user.vue
+++ b/packages/frontend/src/pages/admin-user.vue
@@ -233,6 +233,7 @@ import { ensureSignin, iAmAdmin, iAmModerator } from '@/i.js';
 import MkRolePreview from '@/components/MkRolePreview.vue';
 import MkPagination from '@/components/MkPagination.vue';
 import { Paginator } from '@/utility/paginator.js';
+import type { ChartSrc } from '@/components/MkChart.vue';
 
 const $i = ensureSignin();
 
@@ -246,7 +247,7 @@ const props = withDefaults(defineProps<{
 const result = await _fetch_();
 
 const tab = ref(props.initialTab);
-const chartSrc = ref('per-user-notes');
+const chartSrc = ref<ChartSrc>('per-user-notes');
 const user = ref(result.user);
 const info = ref(result.info);
 const ips = ref(result.ips);
@@ -429,7 +430,7 @@ async function assignRole() {
 		title: i18n.ts._role.chooseRoleToAssign,
 		items: roles.map(r => ({ text: r.name, value: r.id })),
 	});
-	if (canceled) return;
+	if (canceled || roleId == null) return;
 
 	const { canceled: canceled2, result: period } = await os.select({
 		title: i18n.ts.period + ': ' + roles.find(r => r.id === roleId)!.name,
diff --git a/packages/frontend/src/pages/admin/custom-emojis-manager.register.vue b/packages/frontend/src/pages/admin/custom-emojis-manager.register.vue
index 621ec8a6a8..176d1121c5 100644
--- a/packages/frontend/src/pages/admin/custom-emojis-manager.register.vue
+++ b/packages/frontend/src/pages/admin/custom-emojis-manager.register.vue
@@ -303,8 +303,8 @@ async function onFileSelectClicked() {
 	const driveFiles = await chooseFileFromPcAndUpload({
 		multiple: true,
 		folderId: selectedFolderId.value,
-		// 拡張子は消す
-		nameConverter: (file) => file.name.replace(/\.[a-zA-Z0-9]+$/, ''),
+		// // 拡張子は消す
+		// nameConverter: (file) => file.name.replace(/\.[a-zA-Z0-9]+$/, ''),
 	});
 
 	gridItems.value.push(...driveFiles.map(fromDriveFile));
diff --git a/packages/frontend/src/pages/admin/federation-job-queue.chart.chart.vue b/packages/frontend/src/pages/admin/federation-job-queue.chart.chart.vue
index 9a311b5772..420219c22c 100644
--- a/packages/frontend/src/pages/admin/federation-job-queue.chart.chart.vue
+++ b/packages/frontend/src/pages/admin/federation-job-queue.chart.chart.vue
@@ -26,10 +26,10 @@ const chartEl = useTemplateRef('chartEl');
 
 const { handler: externalTooltipHandler } = useChartTooltip();
 
-let chartInstance: Chart;
+let chartInstance: Chart | null = null;
 
 function setData(values) {
-	if (chartInstance == null) return;
+	if (chartInstance == null || chartInstance.data.labels == null) return;
 	for (const value of values) {
 		chartInstance.data.labels.push('');
 		chartInstance.data.datasets[0].data.push(value);
@@ -42,7 +42,7 @@ function setData(values) {
 }
 
 function pushData(value) {
-	if (chartInstance == null) return;
+	if (chartInstance == null || chartInstance.data.labels == null) return;
 	chartInstance.data.labels.push('');
 	chartInstance.data.datasets[0].data.push(value);
 	if (chartInstance.data.datasets[0].data.length > 200) {
@@ -69,6 +69,8 @@ const color =
 onMounted(() => {
 	const vLineColor = store.s.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
 
+	if (chartEl.value == null) return;
+
 	chartInstance = new Chart(chartEl.value, {
 		type: 'line',
 		data: {
diff --git a/packages/frontend/src/pages/admin/job-queue.vue b/packages/frontend/src/pages/admin/job-queue.vue
index 0856bac860..b18049cb11 100644
--- a/packages/frontend/src/pages/admin/job-queue.vue
+++ b/packages/frontend/src/pages/admin/job-queue.vue
@@ -210,6 +210,7 @@ async function fetchCurrentQueue() {
 }
 
 async function fetchJobs() {
+	if (tab.value === '-') return;
 	jobsFetching.value = true;
 	const state = jobState.value;
 	jobs.value = await misskeyApi('admin/queue/jobs', {
@@ -307,6 +308,7 @@ async function removeJobs() {
 }
 
 async function refreshJob(jobId: string) {
+	if (tab.value === '-') return;
 	const newJob = await misskeyApi('admin/queue/show-job', { queue: tab.value, jobId });
 	const index = jobs.value.findIndex((job) => job.id === jobId);
 	if (index !== -1) {
diff --git a/packages/frontend/src/pages/admin/overview.active-users.vue b/packages/frontend/src/pages/admin/overview.active-users.vue
index 6c85f11cb1..32a5a6976e 100644
--- a/packages/frontend/src/pages/admin/overview.active-users.vue
+++ b/packages/frontend/src/pages/admin/overview.active-users.vue
@@ -26,7 +26,7 @@ initChart();
 
 const chartEl = useTemplateRef('chartEl');
 const now = new Date();
-let chartInstance: Chart = null;
+let chartInstance: Chart | null = null;
 const chartLimit = 7;
 const fetching = ref(true);
 
diff --git a/packages/frontend/src/pages/admin/overview.federation.vue b/packages/frontend/src/pages/admin/overview.federation.vue
index 50f12cbf45..3c737ad32b 100644
--- a/packages/frontend/src/pages/admin/overview.federation.vue
+++ b/packages/frontend/src/pages/admin/overview.federation.vue
@@ -23,9 +23,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<div class="item _panel sub">
 				<div class="icon"><i class="ti ti-world-download"></i></div>
 				<div class="body">
-					<div class="value">
+					<div v-if="federationSubActive != null" class="value">
 						{{ number(federationSubActive) }}
-						<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="federationSubActiveDiff"></MkNumberDiff>
+						<MkNumberDiff v-if="federationSubActiveDiff != null" v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="federationSubActiveDiff"></MkNumberDiff>
 					</div>
 					<div class="label">Sub</div>
 				</div>
@@ -33,9 +33,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<div class="item _panel pub">
 				<div class="icon"><i class="ti ti-world-upload"></i></div>
 				<div class="body">
-					<div class="value">
+					<div v-if="federationPubActive != null" class="value">
 						{{ number(federationPubActive) }}
-						<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="federationPubActiveDiff"></MkNumberDiff>
+						<MkNumberDiff v-if="federationPubActiveDiff != null" v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="federationPubActiveDiff"></MkNumberDiff>
 					</div>
 					<div class="label">Pub</div>
 				</div>
diff --git a/packages/frontend/src/pages/admin/overview.heatmap.vue b/packages/frontend/src/pages/admin/overview.heatmap.vue
index 7b2b142b16..6192d6eb0f 100644
--- a/packages/frontend/src/pages/admin/overview.heatmap.vue
+++ b/packages/frontend/src/pages/admin/overview.heatmap.vue
@@ -20,8 +20,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { ref } from 'vue';
 import MkHeatmap from '@/components/MkHeatmap.vue';
 import MkSelect from '@/components/MkSelect.vue';
+import type { HeatmapSource } from '@/components/MkHeatmap.vue';
 
-const src = ref('active-users');
+const src = ref<HeatmapSource>('active-users');
 </script>
 
 <style lang="scss" module>
diff --git a/packages/frontend/src/pages/admin/overview.pie.vue b/packages/frontend/src/pages/admin/overview.pie.vue
index ec2b558cee..2e874b3505 100644
--- a/packages/frontend/src/pages/admin/overview.pie.vue
+++ b/packages/frontend/src/pages/admin/overview.pie.vue
@@ -32,15 +32,17 @@ const { handler: externalTooltipHandler } = useChartTooltip({
 	position: 'middle',
 });
 
-let chartInstance: Chart;
+let chartInstance: Chart | null = null;
 
 onMounted(() => {
+	if (chartEl.value == null) return;
+
 	chartInstance = new Chart(chartEl.value, {
 		type: 'doughnut',
 		data: {
 			labels: props.data.map(x => x.name),
 			datasets: [{
-				backgroundColor: props.data.map(x => x.color),
+				backgroundColor: props.data.map(x => x.color ?? '#000'),
 				borderColor: getComputedStyle(window.document.documentElement).getPropertyValue('--MI_THEME-panel'),
 				borderWidth: 2,
 				hoverOffset: 0,
@@ -57,9 +59,10 @@ onMounted(() => {
 				},
 			},
 			onClick: (ev) => {
-				const hit = chartInstance.getElementsAtEventForMode(ev, 'nearest', { intersect: true }, false)[0];
-				if (hit && props.data[hit.index].onClick) {
-					props.data[hit.index].onClick();
+				if (ev.native == null) return;
+				const hit = chartInstance!.getElementsAtEventForMode(ev.native, 'nearest', { intersect: true }, false)[0];
+				if (hit && props.data[hit.index].onClick != null) {
+					props.data[hit.index].onClick!();
 				}
 			},
 			plugins: {
diff --git a/packages/frontend/src/pages/admin/overview.queue.chart.vue b/packages/frontend/src/pages/admin/overview.queue.chart.vue
index 9b9618c4ac..771b35c09f 100644
--- a/packages/frontend/src/pages/admin/overview.queue.chart.vue
+++ b/packages/frontend/src/pages/admin/overview.queue.chart.vue
@@ -26,10 +26,10 @@ const chartEl = useTemplateRef('chartEl');
 
 const { handler: externalTooltipHandler } = useChartTooltip();
 
-let chartInstance: Chart;
+let chartInstance: Chart | null = null;
 
-function setData(values) {
-	if (chartInstance == null) return;
+function setData(values: number[]) {
+	if (chartInstance == null || chartInstance.data.labels == null) return;
 	for (const value of values) {
 		chartInstance.data.labels.push('');
 		chartInstance.data.datasets[0].data.push(value);
@@ -41,8 +41,8 @@ function setData(values) {
 	chartInstance.update();
 }
 
-function pushData(value) {
-	if (chartInstance == null) return;
+function pushData(value: number) {
+	if (chartInstance == null || chartInstance.data.labels == null) return;
 	chartInstance.data.labels.push('');
 	chartInstance.data.datasets[0].data.push(value);
 	if (chartInstance.data.datasets[0].data.length > 100) {
@@ -67,6 +67,8 @@ const color =
 	'?' as never;
 
 onMounted(() => {
+	if (chartEl.value == null) return;
+
 	const vLineColor = store.s.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
 
 	chartInstance = new Chart(chartEl.value, {
diff --git a/packages/frontend/src/pages/admin/overview.queue.vue b/packages/frontend/src/pages/admin/overview.queue.vue
index e7e139b74d..e57df3744a 100644
--- a/packages/frontend/src/pages/admin/overview.queue.vue
+++ b/packages/frontend/src/pages/admin/overview.queue.vue
@@ -38,7 +38,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { markRaw, onMounted, onUnmounted, ref, useTemplateRef } from 'vue';
 import * as Misskey from 'misskey-js';
 import XChart from './overview.queue.chart.vue';
-import type { ApQueueDomain } from '@/pages/admin/queue.vue';
+import type { ApQueueDomain } from '@/pages/admin/federation-job-queue.vue';
 import number from '@/filters/number.js';
 import { useStream } from '@/stream.js';
 import { genId } from '@/utility/id.js';
@@ -64,10 +64,10 @@ function onStats(stats: Misskey.entities.QueueStats) {
 	delayed.value = stats[props.domain].delayed;
 	waiting.value = stats[props.domain].waiting;
 
-	chartProcess.value.pushData(stats[props.domain].activeSincePrevTick);
-	chartActive.value.pushData(stats[props.domain].active);
-	chartDelayed.value.pushData(stats[props.domain].delayed);
-	chartWaiting.value.pushData(stats[props.domain].waiting);
+	chartProcess.value?.pushData(stats[props.domain].activeSincePrevTick);
+	chartActive.value?.pushData(stats[props.domain].active);
+	chartDelayed.value?.pushData(stats[props.domain].delayed);
+	chartWaiting.value?.pushData(stats[props.domain].waiting);
 }
 
 function onStatsLog(statsLog: Misskey.entities.QueueStatsLog) {
@@ -83,10 +83,10 @@ function onStatsLog(statsLog: Misskey.entities.QueueStatsLog) {
 		dataWaiting.push(stats[props.domain].waiting);
 	}
 
-	chartProcess.value.setData(dataProcess);
-	chartActive.value.setData(dataActive);
-	chartDelayed.value.setData(dataDelayed);
-	chartWaiting.value.setData(dataWaiting);
+	chartProcess.value?.setData(dataProcess);
+	chartActive.value?.setData(dataActive);
+	chartDelayed.value?.setData(dataDelayed);
+	chartWaiting.value?.setData(dataWaiting);
 }
 
 onMounted(() => {
diff --git a/packages/frontend/src/pages/admin/overview.stats.vue b/packages/frontend/src/pages/admin/overview.stats.vue
index fd8145b308..b0669bc557 100644
--- a/packages/frontend/src/pages/admin/overview.stats.vue
+++ b/packages/frontend/src/pages/admin/overview.stats.vue
@@ -7,13 +7,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 <div>
 	<Transition :name="prefer.s.animation ? '_transition_zoom' : ''" mode="out-in">
 		<MkLoading v-if="fetching"/>
-		<div v-else :class="$style.root">
+		<div v-else-if="stats != null" :class="$style.root">
 			<div class="item _panel users">
 				<div class="icon"><i class="ti ti-users"></i></div>
 				<div class="body">
 					<div class="value">
 						<MkNumber :value="stats.originalUsersCount" style="margin-right: 0.5em;"/>
-						<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="usersComparedToThePrevDay"></MkNumberDiff>
+						<MkNumberDiff v-if="usersComparedToThePrevDay != null" v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="usersComparedToThePrevDay"></MkNumberDiff>
 					</div>
 					<div class="label">Users</div>
 				</div>
@@ -23,7 +23,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<div class="body">
 					<div class="value">
 						<MkNumber :value="stats.originalNotesCount" style="margin-right: 0.5em;"/>
-						<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="notesComparedToThePrevDay"></MkNumberDiff>
+						<MkNumberDiff v-if="notesComparedToThePrevDay != null" v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="notesComparedToThePrevDay"></MkNumberDiff>
 					</div>
 					<div class="label">Notes</div>
 				</div>
@@ -56,6 +56,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</div>
 			</div>
 		</div>
+		<MkError v-else/>
 	</Transition>
 </div>
 </template>
@@ -71,8 +72,8 @@ import { customEmojis } from '@/custom-emojis.js';
 import { prefer } from '@/preferences.js';
 
 const stats = ref<Misskey.entities.StatsResponse | null>(null);
-const usersComparedToThePrevDay = ref<number>();
-const notesComparedToThePrevDay = ref<number>();
+const usersComparedToThePrevDay = ref<number | null>(null);
+const notesComparedToThePrevDay = ref<number | null>(null);
 const onlineUsersCount = ref(0);
 const fetching = ref(true);
 
@@ -85,11 +86,11 @@ onMounted(async () => {
 	onlineUsersCount.value = _onlineUsersCount;
 
 	misskeyApiGet('charts/users', { limit: 2, span: 'day' }).then(chart => {
-		usersComparedToThePrevDay.value = stats.value.originalUsersCount - chart.local.total[1];
+		usersComparedToThePrevDay.value = _stats.originalUsersCount - chart.local.total[1];
 	});
 
 	misskeyApiGet('charts/notes', { limit: 2, span: 'day' }).then(chart => {
-		notesComparedToThePrevDay.value = stats.value.originalNotesCount - chart.local.total[1];
+		notesComparedToThePrevDay.value = _stats.originalNotesCount - chart.local.total[1];
 	});
 
 	fetching.value = false;
diff --git a/packages/frontend/src/pages/admin/overview.vue b/packages/frontend/src/pages/admin/overview.vue
index 2ad5173618..2c550bd9c3 100644
--- a/packages/frontend/src/pages/admin/overview.vue
+++ b/packages/frontend/src/pages/admin/overview.vue
@@ -95,7 +95,7 @@ const federationPubActiveDiff = ref<number | null>(null);
 const federationSubActive = ref<number | null>(null);
 const federationSubActiveDiff = ref<number | null>(null);
 const newUsers = ref<Misskey.entities.UserDetailed[] | null>(null);
-const activeInstances = shallowRef<Misskey.entities.FederationInstance | null>(null);
+const activeInstances = shallowRef<Misskey.entities.FederationInstancesResponse | null>(null);
 const queueStatsConnection = markRaw(useStream().useChannel('queueStats'));
 const now = new Date();
 const filesPagination = {
diff --git a/packages/frontend/src/pages/admin/roles.editor.vue b/packages/frontend/src/pages/admin/roles.editor.vue
index e98b4f0129..66004a44bb 100644
--- a/packages/frontend/src/pages/admin/roles.editor.vue
+++ b/packages/frontend/src/pages/admin/roles.editor.vue
@@ -830,7 +830,6 @@ import { watch, ref, computed } from 'vue';
 import { throttle } from 'throttle-debounce';
 import * as Misskey from 'misskey-js';
 import RolesEditorFormula from './RolesEditorFormula.vue';
-import type { GetMkSelectValueTypesFromDef, MkSelectItem } from '@/components/MkSelect.vue';
 import MkInput from '@/components/MkInput.vue';
 import MkColorInput from '@/components/MkColorInput.vue';
 import MkSelect from '@/components/MkSelect.vue';
diff --git a/packages/frontend/src/pages/admin/roles.role.vue b/packages/frontend/src/pages/admin/roles.role.vue
index c6c3165828..8e83cdb667 100644
--- a/packages/frontend/src/pages/admin/roles.role.vue
+++ b/packages/frontend/src/pages/admin/roles.role.vue
@@ -71,7 +71,7 @@ import { Paginator } from '@/utility/paginator.js';
 const router = useRouter();
 
 const props = defineProps<{
-	id?: string;
+	id: string;
 }>();
 
 const usersPaginator = markRaw(new Paginator('admin/roles/users', {
diff --git a/packages/frontend/src/pages/admin/roles.vue b/packages/frontend/src/pages/admin/roles.vue
index 5323d042cf..6483bf16a8 100644
--- a/packages/frontend/src/pages/admin/roles.vue
+++ b/packages/frontend/src/pages/admin/roles.vue
@@ -346,6 +346,7 @@ import { definePage } from '@/page.js';
 import { instance, fetchInstance } from '@/instance.js';
 import MkFoldableSection from '@/components/MkFoldableSection.vue';
 import { useRouter } from '@/router.js';
+import { deepClone } from '@/utility/clone.js';
 import MkTextarea from '@/components/MkTextarea.vue';
 
 const router = useRouter();
@@ -353,10 +354,7 @@ const baseRoleQ = ref('');
 
 const roles = await misskeyApi('admin/roles/list');
 
-const policies = reactive<Record<typeof Misskey.rolePolicies[number], any>>({});
-for (const ROLE_POLICY of Misskey.rolePolicies) {
-	policies[ROLE_POLICY] = instance.policies[ROLE_POLICY];
-}
+const policies = reactive(deepClone(instance.policies));
 
 const avatarDecorationLimit = computed({
 	get: () => Math.min(16, Math.max(0, policies.avatarDecorationLimit)),
@@ -376,6 +374,7 @@ function matchQuery(keywords: string[]): boolean {
 
 async function updateBaseRole() {
 	await os.apiWithDialog('admin/roles/update-default-policies', {
+		//@ts-expect-error misskey-js側の型定義が不十分
 		policies,
 	});
 	fetchInstance(true);
diff --git a/packages/frontend/src/pages/gallery/post.vue b/packages/frontend/src/pages/gallery/post.vue
index eab435c002..31a716fb0e 100644
--- a/packages/frontend/src/pages/gallery/post.vue
+++ b/packages/frontend/src/pages/gallery/post.vue
@@ -16,7 +16,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					</div>
 					<div class="body">
 						<div class="title">{{ post.title }}</div>
-						<div class="description"><Mfm :text="post.description"/></div>
+						<div class="description"><Mfm v-if="post.description != null" :text="post.description"/></div>
 						<div class="info">
 							<i class="ti ti-clock"></i> <MkTime :time="post.createdAt" mode="detail"/>
 						</div>
@@ -93,7 +93,7 @@ const error = ref<any>(null);
 const otherPostsPaginator = markRaw(new Paginator('users/gallery/posts', {
 	limit: 6,
 	computedParams: computed(() => ({
-		userId: post.value.user.id,
+		userId: post.value!.user.id,
 	})),
 }));
 
@@ -109,33 +109,38 @@ function fetchPost() {
 }
 
 function copyLink() {
+	if (!post.value) return;
 	copyToClipboard(`${url}/gallery/${post.value.id}`);
 }
 
 function share() {
+	if (!post.value) return;
 	navigator.share({
 		title: post.value.title,
-		text: post.value.description,
+		text: post.value.description ?? undefined,
 		url: `${url}/gallery/${post.value.id}`,
 	});
 }
 
 function shareWithNote() {
+	if (!post.value) return;
 	os.post({
 		initialText: `${post.value.title} ${url}/gallery/${post.value.id}`,
 	});
 }
 
 function like() {
+	if (!post.value) return;
 	os.apiWithDialog('gallery/posts/like', {
 		postId: props.postId,
 	}).then(() => {
-		post.value.isLiked = true;
-		post.value.likedCount++;
+		post.value!.isLiked = true;
+		post.value!.likedCount++;
 	});
 }
 
 async function unlike() {
+	if (!post.value) return;
 	const confirm = await os.confirm({
 		type: 'warning',
 		text: i18n.ts.unlikeConfirm,
@@ -144,8 +149,8 @@ async function unlike() {
 	os.apiWithDialog('gallery/posts/unlike', {
 		postId: props.postId,
 	}).then(() => {
-		post.value.isLiked = false;
-		post.value.likedCount--;
+		post.value!.isLiked = false;
+		post.value!.likedCount--;
 	});
 }
 
diff --git a/packages/frontend/src/pages/list.vue b/packages/frontend/src/pages/list.vue
index a52b562c7f..efb1186fe5 100644
--- a/packages/frontend/src/pages/list.vue
+++ b/packages/frontend/src/pages/list.vue
@@ -19,7 +19,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</div>
 			</div>
 		</div>
-		<MkButton v-if="list.isLiked" v-tooltip="i18n.ts.unlike" inline :class="$style.button" asLike primary @click="unlike()"><i class="ti ti-heart-off"></i><span v-if="list.likedCount > 0" class="count">{{ list.likedCount }}</span></MkButton>
+		<MkButton v-if="list.isLiked" v-tooltip="i18n.ts.unlike" inline :class="$style.button" asLike primary @click="unlike()"><i class="ti ti-heart-off"></i><span v-if="list.likedCount != null && list.likedCount > 0" class="count">{{ list.likedCount }}</span></MkButton>
 		<MkButton v-if="!list.isLiked" v-tooltip="i18n.ts.like" inline :class="$style.button" asLike @click="like()"><i class="ti ti-heart"></i><span v-if="1 > 0" class="count">{{ list.likedCount }}</span></MkButton>
 		<MkButton inline @click="create()"><i class="ti ti-download" :class="$style.import"></i>{{ i18n.ts.import }}</MkButton>
 	</div>
@@ -41,7 +41,7 @@ const props = defineProps<{
 	listId: string;
 }>();
 
-const list = ref<Misskey.entities.UserList | null>(null);
+const list = ref<Misskey.entities.UsersListsShowResponse | null>(null);
 const error = ref<unknown | null>(null);
 const users = ref<Misskey.entities.UserDetailed[]>([]);
 
@@ -51,8 +51,9 @@ function fetchList(): void {
 		forPublic: true,
 	}).then(_list => {
 		list.value = _list;
+		if (_list.userIds == null || _list.userIds.length === 0) return;
 		misskeyApi('users/show', {
-			userIds: list.value.userIds,
+			userIds: _list.userIds,
 		}).then(_users => {
 			users.value = _users;
 		});
@@ -68,7 +69,7 @@ function like() {
 	}).then(() => {
 		if (list.value == null) return;
 		list.value.isLiked = true;
-		list.value.likedCount++;
+		list.value.likedCount = (list.value.likedCount != null ? list.value.likedCount + 1 : 1);
 	});
 }
 
@@ -79,7 +80,7 @@ function unlike() {
 	}).then(() => {
 		if (list.value == null) return;
 		list.value.isLiked = false;
-		list.value.likedCount--;
+		list.value.likedCount = (list.value.likedCount != null ? Math.max(0, list.value.likedCount - 1) : 0);
 	});
 }
 
@@ -88,7 +89,7 @@ async function create() {
 	const { canceled, result: name } = await os.inputText({
 		title: i18n.ts.enterListName,
 	});
-	if (canceled) return;
+	if (canceled || name == null) return;
 	await os.apiWithDialog('users/lists/create-from-public', { name: name, listId: list.value.id });
 }
 
diff --git a/packages/frontend/src/pages/page-editor/els/page-editor.el.note.vue b/packages/frontend/src/pages/page-editor/els/page-editor.el.note.vue
index f275ec9517..e596b31b43 100644
--- a/packages/frontend/src/pages/page-editor/els/page-editor.el.note.vue
+++ b/packages/frontend/src/pages/page-editor/els/page-editor.el.note.vue
@@ -39,6 +39,7 @@ const props = defineProps<{
 
 const emit = defineEmits<{
 	(ev: 'update:modelValue', value: Misskey.entities.PageBlock & { type: 'note' }): void;
+	(ev: 'remove'): void;
 }>();
 
 const id = ref(props.modelValue.note);
diff --git a/packages/frontend/src/pages/page-editor/els/page-editor.el.section.vue b/packages/frontend/src/pages/page-editor/els/page-editor.el.section.vue
index cf5712a8e5..bb0841965f 100644
--- a/packages/frontend/src/pages/page-editor/els/page-editor.el.section.vue
+++ b/packages/frontend/src/pages/page-editor/els/page-editor.el.section.vue
@@ -71,7 +71,7 @@ async function add() {
 		title: i18n.ts._pages.chooseBlock,
 		items: getPageBlockList(),
 	});
-	if (canceled) return;
+	if (canceled || type == null) return;
 
 	const id = genId();
 	children.value.push({ id, type });
diff --git a/packages/frontend/src/pages/page-editor/els/page-editor.el.text.vue b/packages/frontend/src/pages/page-editor/els/page-editor.el.text.vue
index 4a980ce472..079a28491b 100644
--- a/packages/frontend/src/pages/page-editor/els/page-editor.el.text.vue
+++ b/packages/frontend/src/pages/page-editor/els/page-editor.el.text.vue
@@ -27,6 +27,7 @@ const props = defineProps<{
 
 const emit = defineEmits<{
 	(ev: 'update:modelValue', value: Misskey.entities.PageBlock & { type: 'text' }): void;
+	(ev: 'remove'): void;
 }>();
 
 let autocomplete: Autocomplete;
@@ -42,6 +43,7 @@ watch(text, () => {
 });
 
 onMounted(() => {
+	if (inputEl.value == null) return;
 	autocomplete = new Autocomplete(inputEl.value, text);
 });
 
diff --git a/packages/frontend/src/pages/page-editor/page-editor.vue b/packages/frontend/src/pages/page-editor/page-editor.vue
index 9fe03ae981..3c51f25676 100644
--- a/packages/frontend/src/pages/page-editor/page-editor.vue
+++ b/packages/frontend/src/pages/page-editor/page-editor.vue
@@ -7,7 +7,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <PageWithHeader v-model:tab="tab" :actions="headerActions" :tabs="headerTabs">
 	<div class="_spacer" style="--MI_SPACER-w: 700px;">
 		<div class="jqqmcavi">
-			<MkButton v-if="pageId" class="button" inline link :to="`/@${ author.username }/pages/${ currentName }`"><i class="ti ti-external-link"></i> {{ i18n.ts._pages.viewPage }}</MkButton>
+			<MkButton v-if="pageId && author != null" class="button" inline link :to="`/@${ author.username }/pages/${ currentName }`"><i class="ti ti-external-link"></i> {{ i18n.ts._pages.viewPage }}</MkButton>
 			<MkButton v-if="!readonly" inline primary class="button" @click="save"><i class="ti ti-device-floppy"></i> {{ i18n.ts.save }}</MkButton>
 			<MkButton v-if="pageId" inline class="button" @click="duplicate"><i class="ti ti-copy"></i> {{ i18n.ts.duplicate }}</MkButton>
 			<MkButton v-if="pageId && !readonly" inline class="button" danger @click="del"><i class="ti ti-trash"></i> {{ i18n.ts.delete }}</MkButton>
@@ -24,7 +24,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</MkInput>
 
 				<MkInput v-model="name">
-					<template #prefix>{{ url }}/@{{ author.username }}/pages/</template>
+					<template #prefix>{{ url }}/@{{ author?.username ?? '???' }}/pages/</template>
 					<template #label>{{ i18n.ts._pages.url }}</template>
 				</MkInput>
 
@@ -85,7 +85,7 @@ const props = defineProps<{
 }>();
 
 const tab = ref('settings');
-const author = ref($i);
+const author = ref<Misskey.entities.User | null>($i);
 const readonly = ref(false);
 const page = ref<Misskey.entities.Page | null>(null);
 const pageId = ref<string | null>(null);
@@ -202,11 +202,10 @@ async function duplicate() {
 
 async function add() {
 	const { canceled, result: type } = await os.select({
-		type: null,
 		title: i18n.ts._pages.chooseBlock,
 		items: getPageBlockList(),
 	});
-	if (canceled) return;
+	if (canceled || type == null) return;
 
 	const id = genId();
 	content.value.push({ id, type });
diff --git a/packages/frontend/src/pages/reversi/game.board.vue b/packages/frontend/src/pages/reversi/game.board.vue
index 69429728d0..aae638641a 100644
--- a/packages/frontend/src/pages/reversi/game.board.vue
+++ b/packages/frontend/src/pages/reversi/game.board.vue
@@ -164,7 +164,7 @@ const $i = ensureSignin();
 
 const props = defineProps<{
 	game: Misskey.entities.ReversiGameDetailed;
-	connection?: Misskey.ChannelConnection<Misskey.Channels['reversiGame']> | null;
+	connection?: Misskey.IChannelConnection<Misskey.Channels['reversiGame']> | null;
 }>();
 
 const showBoardLabels = ref<boolean>(false);
diff --git a/packages/frontend/src/pages/reversi/game.setting.vue b/packages/frontend/src/pages/reversi/game.setting.vue
index 8392384963..1e01496bbb 100644
--- a/packages/frontend/src/pages/reversi/game.setting.vue
+++ b/packages/frontend/src/pages/reversi/game.setting.vue
@@ -132,7 +132,7 @@ const mapCategories = Array.from(new Set(Object.values(Reversi.maps).map(x => x.
 
 const props = defineProps<{
 	game: Misskey.entities.ReversiGameDetailed;
-	connection: Misskey.ChannelConnection<Misskey.Channels['reversiGame']>;
+	connection: Misskey.IChannelConnection<Misskey.Channels['reversiGame']>;
 }>();
 
 const shareWhenStart = defineModel<boolean>('shareWhenStart', { default: false });
diff --git a/packages/frontend/src/pages/reversi/game.vue b/packages/frontend/src/pages/reversi/game.vue
index a447572cc0..b1ba4da247 100644
--- a/packages/frontend/src/pages/reversi/game.vue
+++ b/packages/frontend/src/pages/reversi/game.vue
@@ -33,7 +33,7 @@ const props = defineProps<{
 }>();
 
 const game = shallowRef<Misskey.entities.ReversiGameDetailed | null>(null);
-const connection = shallowRef<Misskey.ChannelConnection | null>(null);
+const connection = shallowRef<Misskey.IChannelConnection<Misskey.Channels['reversiGame']> | null>(null);
 const shareWhenStart = ref(false);
 
 watch(() => props.gameId, () => {
diff --git a/packages/frontend/src/pages/settings/2fa.vue b/packages/frontend/src/pages/settings/2fa.vue
index ca404b43c4..2cc13744b1 100644
--- a/packages/frontend/src/pages/settings/2fa.vue
+++ b/packages/frontend/src/pages/settings/2fa.vue
@@ -196,6 +196,7 @@ async function addSecurityKey() {
 	if (auth.canceled) return;
 
 	const registrationOptions = parseCreationOptionsFromJSON({
+		// @ts-expect-error misskey-js側に型がない
 		publicKey: await os.apiWithDialog('i/2fa/register-key', {
 			password: auth.result.password,
 			token: auth.result.token,
@@ -226,6 +227,7 @@ async function addSecurityKey() {
 		password: auth.result.password,
 		token: auth.result.token,
 		name: name.result,
+		// @ts-expect-error misskey-js側に型がない
 		credential: credential.toJSON(),
 	});
 }
diff --git a/packages/frontend/src/pages/settings/privacy.vue b/packages/frontend/src/pages/settings/privacy.vue
index 54a6c0af82..ed1412be0f 100644
--- a/packages/frontend/src/pages/settings/privacy.vue
+++ b/packages/frontend/src/pages/settings/privacy.vue
@@ -140,7 +140,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 								</MkInput>
 
 								<MkInput
-									v-if="makeNotesFollowersOnlyBefore_type === 'absolute'"
+									v-if="makeNotesFollowersOnlyBefore_type === 'absolute' && makeNotesFollowersOnlyBefore != null"
 									:modelValue="formatDateTimeString(new Date(makeNotesFollowersOnlyBefore * 1000), 'yyyy-MM-dd')"
 									type="date"
 									:manualSave="true"
@@ -189,7 +189,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 								</MkInput>
 
 								<MkInput
-									v-if="makeNotesHiddenBefore_type === 'absolute'"
+									v-if="makeNotesHiddenBefore_type === 'absolute' && makeNotesHiddenBefore != null"
 									:modelValue="formatDateTimeString(new Date(makeNotesHiddenBefore * 1000), 'yyyy-MM-dd')"
 									type="date"
 									:manualSave="true"
@@ -217,7 +217,6 @@ import { ref, computed, watch } from 'vue';
 import MkSwitch from '@/components/MkSwitch.vue';
 import MkSelect from '@/components/MkSelect.vue';
 import FormSection from '@/components/form/section.vue';
-import MkFolder from '@/components/MkFolder.vue';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { i18n } from '@/i18n.js';
 import { instance } from '@/instance.js';
@@ -247,14 +246,25 @@ const followingVisibility = ref($i.followingVisibility);
 const followersVisibility = ref($i.followersVisibility);
 const chatScope = ref($i.chatScope);
 
-const makeNotesFollowersOnlyBefore_type = computed(() => {
-	if (makeNotesFollowersOnlyBefore.value == null) {
-		return null;
-	} else if (makeNotesFollowersOnlyBefore.value >= 0) {
-		return 'absolute';
-	} else {
-		return 'relative';
-	}
+const makeNotesFollowersOnlyBefore_type = computed({
+	get: () => {
+		if (makeNotesFollowersOnlyBefore.value == null) {
+			return null;
+		} else if (makeNotesFollowersOnlyBefore.value >= 0) {
+			return 'absolute';
+		} else {
+			return 'relative';
+		}
+	},
+	set(value) {
+		if (value === 'relative') {
+			makeNotesFollowersOnlyBefore.value = -604800;
+		} else if (value === 'absolute') {
+			makeNotesFollowersOnlyBefore.value = Math.floor(Date.now() / 1000);
+		} else {
+			makeNotesFollowersOnlyBefore.value = null;
+		}
+	},
 });
 
 const makeNotesFollowersOnlyBefore_presets = [
@@ -288,14 +298,25 @@ const makeNotesFollowersOnlyBefore_customMonths = computed({
 	},
 });
 
-const makeNotesHiddenBefore_type = computed(() => {
-	if (makeNotesHiddenBefore.value == null) {
-		return null;
-	} else if (makeNotesHiddenBefore.value >= 0) {
-		return 'absolute';
-	} else {
-		return 'relative';
-	}
+const makeNotesHiddenBefore_type = computed({
+	get: () => {
+		if (makeNotesHiddenBefore.value == null) {
+			return null;
+		} else if (makeNotesHiddenBefore.value >= 0) {
+			return 'absolute';
+		} else {
+			return 'relative';
+		}
+	},
+	set(value) {
+		if (value === 'relative') {
+			makeNotesHiddenBefore.value = -604800;
+		} else if (value === 'absolute') {
+			makeNotesHiddenBefore.value = Math.floor(Date.now() / 1000);
+		} else {
+			makeNotesHiddenBefore.value = null;
+		}
+	},
 });
 
 const makeNotesHiddenBefore_presets = [
diff --git a/packages/frontend/src/pages/settings/sounds.sound.vue b/packages/frontend/src/pages/settings/sounds.sound.vue
index 7aad43b1d0..9e9671487e 100644
--- a/packages/frontend/src/pages/settings/sounds.sound.vue
+++ b/packages/frontend/src/pages/settings/sounds.sound.vue
@@ -41,25 +41,23 @@ import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { playMisskeySfxFile, soundsTypes, getSoundDuration } from '@/utility/sound.js';
 import { selectFile } from '@/utility/drive.js';
+import type { SoundStore } from '@/preferences/def.js';
 
 const props = defineProps<{
-	type: SoundType;
-	fileId?: string;
-	fileUrl?: string;
-	volume: number;
+	def: SoundStore;
 }>();
 
 const emit = defineEmits<{
 	(ev: 'update', result: { type: SoundType; fileId?: string; fileUrl?: string; volume: number; }): void;
 }>();
 
-const type = ref<SoundType>(props.type);
-const fileId = ref(props.fileId);
-const fileUrl = ref(props.fileUrl);
+const type = ref<SoundType>(props.def.type);
+const fileId = ref('fileId' in props.def ? props.def.fileId : undefined);
+const fileUrl = ref('fileUrl' in props.def ? props.def.fileUrl : undefined);
 const fileName = ref<string>('');
 const driveFileError = ref(false);
 const hasChanged = ref(false);
-const volume = ref(props.volume);
+const volume = ref(props.def.volume);
 
 if (type.value === '_driveFile_' && fileId.value) {
 	await misskeyApi('drive/files/show', {
diff --git a/packages/frontend/src/pages/settings/sounds.vue b/packages/frontend/src/pages/settings/sounds.vue
index ea5b347525..1b851825d6 100644
--- a/packages/frontend/src/pages/settings/sounds.vue
+++ b/packages/frontend/src/pages/settings/sounds.vue
@@ -42,7 +42,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<template #suffix>{{ getSoundTypeName(sounds[type].type) }}</template>
 					<Suspense>
 						<template #default>
-							<XSound :type="sounds[type].type" :volume="sounds[type].volume" :fileId="sounds[type].fileId" :fileUrl="sounds[type].fileUrl" @update="(res) => updated(type, res)"/>
+							<XSound :def="sounds[type]" @update="(res) => updated(type, res)"/>
 						</template>
 						<template #fallback>
 							<MkLoading/>
diff --git a/packages/frontend/src/pages/share.vue b/packages/frontend/src/pages/share.vue
index 51ac9d66f0..368537ec91 100644
--- a/packages/frontend/src/pages/share.vue
+++ b/packages/frontend/src/pages/share.vue
@@ -112,8 +112,7 @@ async function init() {
 				...(visibleUserIds ? visibleUserIds.split(',').map(userId => ({ userId })) : []),
 				...(visibleAccts ? visibleAccts.split(',').map(Misskey.acct.parse) : []),
 			]
-			// TypeScriptの指示通りに変換する
-				.map(q => 'username' in q ? { username: q.username, host: q.host === null ? undefined : q.host } : q)
+			// @ts-expect-error payloadの引数側の型が正常に解決されない
 				.map(q => misskeyApi('users/show', q)
 					.then(user => {
 						visibleUsers.value.push(user);
diff --git a/packages/frontend/src/pages/user/lists.vue b/packages/frontend/src/pages/user/lists.vue
index 6c9204ae22..8824acb33e 100644
--- a/packages/frontend/src/pages/user/lists.vue
+++ b/packages/frontend/src/pages/user/lists.vue
@@ -10,7 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkPagination v-slot="{items}" :paginator="paginator" withControl>
 				<MkA v-for="list in items" :key="list.id" class="_panel" :class="$style.list" :to="`/list/${ list.id }`">
 					<div>{{ list.name }}</div>
-					<MkAvatars :userIds="list.userIds"/>
+					<MkAvatars v-if="list.userIds != null" :userIds="list.userIds"/>
 				</MkA>
 			</MkPagination>
 		</div>
diff --git a/packages/frontend/src/plugin.ts b/packages/frontend/src/plugin.ts
index e6545bb8e7..f32c991828 100644
--- a/packages/frontend/src/plugin.ts
+++ b/packages/frontend/src/plugin.ts
@@ -7,7 +7,7 @@ import { ref } from 'vue';
 import { compareVersions } from 'compare-versions';
 import { isSafeMode } from '@@/js/config.js';
 import * as Misskey from 'misskey-js';
-import type { Parser, Interpreter, values } from '@syuilo/aiscript';
+import type { Parser, Interpreter, values, utils as utils_TypeReferenceOnly } from '@syuilo/aiscript';
 import type { FormWithDefault } from '@/utility/form.js';
 import { genId } from '@/utility/id.js';
 import { store } from '@/store.js';
@@ -82,22 +82,23 @@ export async function parsePluginMeta(code: string): Promise<AiScriptPluginMeta>
 	}
 
 	const metadata = meta.get(null);
-	if (metadata == null) {
-		throw new Error('Metadata not found');
+	if (metadata == null || typeof metadata !== 'object' || Array.isArray(metadata)) {
+		throw new Error('Metadata not found or invalid');
 	}
 
 	const { name, version, author, description, permissions, config } = metadata;
+
 	if (name == null || version == null || author == null) {
 		throw new Error('Required property not found');
 	}
 
 	return {
-		name,
-		version,
-		author,
-		description,
-		permissions,
-		config,
+		name: name as string,
+		version: version as string,
+		author: author as string,
+		description: description as string | undefined,
+		permissions: permissions as string[] | undefined,
+		config: config as Record<string, any> | undefined,
 	};
 }
 
@@ -110,7 +111,7 @@ export async function authorizePlugin(plugin: Plugin) {
 			title: i18n.ts.tokenRequested,
 			information: i18n.ts.pluginTokenRequestedDescription,
 			initialName: plugin.name,
-			initialPermissions: plugin.permissions,
+			initialPermissions: plugin.permissions as typeof Misskey.permissions[number][],
 		}, {
 			done: async result => {
 				const { name, permissions } = result;
@@ -149,6 +150,7 @@ export async function installPlugin(code: string, meta?: AiScriptPluginMeta) {
 
 	const plugin = {
 		...realMeta,
+		config: realMeta.config ?? {},
 		installId,
 		active: true,
 		configData: {},
@@ -353,7 +355,9 @@ export function changePluginActive(plugin: Plugin, active: boolean) {
 async function createPluginEnv(opts: { plugin: Plugin; storageKey: string }): Promise<Record<string, values.Value>> {
 	const id = opts.plugin.installId;
 
-	const { utils, values } = await import('@syuilo/aiscript');
+	const ais = await import('@syuilo/aiscript');
+	const values = ais.values;
+	const utils: typeof utils_TypeReferenceOnly = ais.utils;
 	const { createAiScriptEnv } = await import('@/aiscript/api.js');
 
 	const config = new Map<string, values.Value>();
@@ -375,7 +379,7 @@ async function createPluginEnv(opts: { plugin: Plugin; storageKey: string }): Pr
 			utils.assertFunction(handler);
 			addPluginHandler(id, 'post_form_action', {
 				title: title.value,
-				handler: withContext(ctx => (form, update) => {
+				handler: (form, update) => withContext(ctx => {
 					ctx.execFn(handler, [utils.jsToVal(form), values.FN_NATIVE(([key, value]) => {
 						if (!key || !value) {
 							return;
@@ -391,7 +395,7 @@ async function createPluginEnv(opts: { plugin: Plugin; storageKey: string }): Pr
 			utils.assertFunction(handler);
 			addPluginHandler(id, 'user_action', {
 				title: title.value,
-				handler: withContext(ctx => (user) => {
+				handler: (user) => withContext(ctx => {
 					ctx.execFn(handler, [utils.jsToVal(user)]);
 				}),
 			});
@@ -402,7 +406,7 @@ async function createPluginEnv(opts: { plugin: Plugin; storageKey: string }): Pr
 			utils.assertFunction(handler);
 			addPluginHandler(id, 'note_action', {
 				title: title.value,
-				handler: withContext(ctx => (note) => {
+				handler: (note) => withContext(ctx => {
 					ctx.execFn(handler, [utils.jsToVal(note)]);
 				}),
 			});
@@ -411,8 +415,8 @@ async function createPluginEnv(opts: { plugin: Plugin; storageKey: string }): Pr
 		'Plugin:register:note_view_interruptor': values.FN_NATIVE(([handler]) => {
 			utils.assertFunction(handler);
 			addPluginHandler(id, 'note_view_interruptor', {
-				handler: withContext(ctx => (note) => {
-					return utils.valToJs(ctx.execFnSync(handler, [utils.jsToVal(note)]));
+				handler: (note) => withContext(ctx => {
+					return utils.valToJs(ctx.execFnSync(handler, [utils.jsToVal(note)])) as Misskey.entities.Note | null;
 				}),
 			});
 		}),
@@ -420,8 +424,8 @@ async function createPluginEnv(opts: { plugin: Plugin; storageKey: string }): Pr
 		'Plugin:register:note_post_interruptor': values.FN_NATIVE(([handler]) => {
 			utils.assertFunction(handler);
 			addPluginHandler(id, 'note_post_interruptor', {
-				handler: withContext(ctx => async (note) => {
-					return utils.valToJs(await ctx.execFn(handler, [utils.jsToVal(note)]));
+				handler: (note) => withContext(ctx => {
+					return utils.valToJs(ctx.execFnSync(handler, [utils.jsToVal(note)]));
 				}),
 			});
 		}),
@@ -429,8 +433,8 @@ async function createPluginEnv(opts: { plugin: Plugin; storageKey: string }): Pr
 		'Plugin:register:page_view_interruptor': values.FN_NATIVE(([handler]) => {
 			utils.assertFunction(handler);
 			addPluginHandler(id, 'page_view_interruptor', {
-				handler: withContext(ctx => async (page) => {
-					return utils.valToJs(await ctx.execFn(handler, [utils.jsToVal(page)]));
+				handler: (page) => withContext(ctx => {
+					return utils.valToJs(ctx.execFnSync(handler, [utils.jsToVal(page)])) as Misskey.entities.Page;
 				}),
 			});
 		}),
diff --git a/packages/frontend/src/pref-migrate.ts b/packages/frontend/src/pref-migrate.ts
index 3054978ae4..8258bbb846 100644
--- a/packages/frontend/src/pref-migrate.ts
+++ b/packages/frontend/src/pref-migrate.ts
@@ -25,11 +25,14 @@ export function migrateOldSettings() {
 		});
 
 		const plugins = ColdDeviceStorage.get('plugins');
-		prefer.commit('plugins', plugins.map(p => ({
-			...p,
-			installId: (p as any).id,
-			id: undefined,
-		})));
+		prefer.commit('plugins', plugins.map(p => {
+			const { id, ...rest } = p;
+			return {
+				...rest,
+				config: rest.config ?? {},
+				installId: id,
+			};
+		}));
 
 		prefer.commit('deck.profile', deckStore.s.profile);
 		misskeyApi('i/registry/keys', {
@@ -115,7 +118,13 @@ export function migrateOldSettings() {
 		prefer.commit('enableCondensedLine', store.s.enableCondensedLine);
 		prefer.commit('keepScreenOn', store.s.keepScreenOn);
 		prefer.commit('useGroupedNotifications', store.s.useGroupedNotifications);
-		prefer.commit('dataSaver', store.s.dataSaver);
+		prefer.commit('dataSaver', {
+			...prefer.s.dataSaver,
+			media: store.s.dataSaver.media,
+			avatar: store.s.dataSaver.avatar,
+			urlPreviewThumbnail: store.s.dataSaver.urlPreview,
+			code: store.s.dataSaver.code,
+		});
 		prefer.commit('enableSeasonalScreenEffect', store.s.enableSeasonalScreenEffect);
 		prefer.commit('enableHorizontalSwipe', store.s.enableHorizontalSwipe);
 		prefer.commit('useNativeUiForVideoAudioPlayer', store.s.useNativeUIForVideoAudioPlayer);
diff --git a/packages/frontend/src/preferences/def.ts b/packages/frontend/src/preferences/def.ts
index 414aa34753..8fd71aa51a 100644
--- a/packages/frontend/src/preferences/def.ts
+++ b/packages/frontend/src/preferences/def.ts
@@ -41,6 +41,14 @@ export type StatusbarStore = {
 	props: Record<string, any>;
 };
 
+export type DataSaverStore = {
+	media: boolean;
+	avatar: boolean;
+	urlPreviewThumbnail: boolean;
+	disableUrlPreview: boolean;
+	code: boolean;
+};
+
 type OmitStrict<T, K extends keyof T> = T extends any ? Pick<T, Exclude<keyof T, K>> : never;
 
 // NOTE: デフォルト値は他の設定の状態に依存してはならない(依存していた場合、ユーザーがその設定項目単体で「初期値にリセット」した場合不具合の原因になる)
@@ -332,7 +340,7 @@ export const PREF_DEF = definePreferences({
 			urlPreviewThumbnail: false,
 			disableUrlPreview: false,
 			code: false,
-		} satisfies Record<string, boolean>,
+		} as DataSaverStore,
 	},
 	hemisphere: {
 		default: hemisphere as 'N' | 'S',
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 750ca69133..87b2637a64 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -381,7 +381,7 @@ export const store = markRaw(new Pizzax('base', {
 			avatar: false,
 			urlPreview: false,
 			code: false,
-		} as Record<string, boolean>,
+		},
 	},
 	enableSeasonalScreenEffect: {
 		where: 'device',
@@ -483,7 +483,7 @@ export class ColdDeviceStorage {
 		lightTheme, // TODO: 消す(preferに移行済みのため)
 		darkTheme, // TODO: 消す(preferに移行済みのため)
 		syncDeviceDarkMode: true, // TODO: 消す(preferに移行済みのため)
-		plugins: [] as Plugin[], // TODO: 消す(preferに移行済みのため)
+		plugins: [] as (Omit<Plugin, 'installId'> & { id: string })[], // TODO: 消す(preferに移行済みのため)
 	};
 
 	public static watchers: Watcher[] = [];
diff --git a/packages/frontend/src/utility/code-highlighter.ts b/packages/frontend/src/utility/code-highlighter.ts
index 7dca18d58f..4fdaf24202 100644
--- a/packages/frontend/src/utility/code-highlighter.ts
+++ b/packages/frontend/src/utility/code-highlighter.ts
@@ -36,7 +36,7 @@ export async function getTheme(mode: 'light' | 'dark', getName = false): Promise
 			_res = deepClone(theme.codeHighlighter.overrides);
 		} else {
 			const base = await bundledThemesInfo.find(t => t.id === theme.codeHighlighter!.base)?.import() ?? darkPlus;
-			_res = deepMerge(theme.codeHighlighter.overrides ?? {}, 'default' in base ? base.default : base);
+			_res = deepMerge<ThemeRegistration>(theme.codeHighlighter.overrides ?? {}, 'default' in base ? base.default : base);
 		}
 		if (_res.name == null) {
 			_res.name = theme.id;
diff --git a/packages/frontend/src/utility/form.ts b/packages/frontend/src/utility/form.ts
index 2b765dc714..b0b09f0f6b 100644
--- a/packages/frontend/src/utility/form.ts
+++ b/packages/frontend/src/utility/form.ts
@@ -130,11 +130,11 @@ type GetItemType<Item extends FormItem> =
 	: Item extends RadioFormItem
 		? GetRadioItemType<Item>
 	: Item extends RangeFormItem
-		? NonNullableIfRequired<InferDefault<RangeFormItem, number>, Item>
+		? NonNullableIfRequired<InferDefault<Item, number>, Item>
 	: Item extends EnumFormItem
 		? GetEnumItemType<Item>
 	: Item extends ArrayFormItem
-		? NonNullableIfRequired<InferDefault<ArrayFormItem, unknown[]>, Item>
+		? NonNullableIfRequired<InferDefault<Item, unknown[]>, Item>
 	: Item extends ObjectFormItem
 		? NonNullableIfRequired<InferDefault<Item, Record<string, unknown>>, Item>
 	: Item extends DriveFileFormItem
diff --git a/packages/frontend/src/utility/get-user-menu.ts b/packages/frontend/src/utility/get-user-menu.ts
index d4407dadec..d6ddebc868 100644
--- a/packages/frontend/src/utility/get-user-menu.ts
+++ b/packages/frontend/src/utility/get-user-menu.ts
@@ -289,7 +289,6 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: Router
 							caseSensitive: antenna.caseSensitive,
 							withReplies: antenna.withReplies,
 							withFile: antenna.withFile,
-							notify: antenna.notify,
 						});
 						antennasCache.delete();
 					},
diff --git a/packages/frontend/test/url-preview.test.ts b/packages/frontend/test/url-preview.test.ts
index 943cf2ac7a..c5a4b6ebcc 100644
--- a/packages/frontend/test/url-preview.test.ts
+++ b/packages/frontend/test/url-preview.test.ts
@@ -35,7 +35,7 @@ describe('MkUrlPreview', () => {
 		});
 
 		const result = render(MkUrlPreview, {
-			props: { url: summary.url },
+			props: { url: summary.url! },
 			global: { directives, components },
 		});
 
diff --git a/packages/misskey-js/etc/misskey-js.api.md b/packages/misskey-js/etc/misskey-js.api.md
index ac405c1fb0..d07710fc67 100644
--- a/packages/misskey-js/etc/misskey-js.api.md
+++ b/packages/misskey-js/etc/misskey-js.api.md
@@ -818,6 +818,18 @@ export type Channels = {
         };
         receives: null;
     };
+    reversi: {
+        params: null;
+        events: {
+            matched: (payload: {
+                game: ReversiGameDetailed;
+            }) => void;
+            invited: (payload: {
+                user: User;
+            }) => void;
+        };
+        receives: null;
+    };
     reversiGame: {
         params: {
             gameId: string;
@@ -3838,8 +3850,8 @@ type VerifyEmailRequest = operations['verify-email']['requestBody']['content']['
 //
 // src/entities.ts:55:2 - (ae-forgotten-export) The symbol "ModerationLogPayloads" needs to be exported by the entry point index.d.ts
 // src/streaming.ts:57:3 - (ae-forgotten-export) The symbol "ReconnectingWebSocket" needs to be exported by the entry point index.d.ts
-// src/streaming.types.ts:218:4 - (ae-forgotten-export) The symbol "ReversiUpdateKey" needs to be exported by the entry point index.d.ts
-// src/streaming.types.ts:228:4 - (ae-forgotten-export) The symbol "ReversiUpdateSettings" needs to be exported by the entry point index.d.ts
+// src/streaming.types.ts:226:4 - (ae-forgotten-export) The symbol "ReversiUpdateKey" needs to be exported by the entry point index.d.ts
+// src/streaming.types.ts:236:4 - (ae-forgotten-export) The symbol "ReversiUpdateSettings" needs to be exported by the entry point index.d.ts
 
 // (No @packageDocumentation comment for this package)
 
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index d92ef599f3..ff76f653fc 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -6049,7 +6049,9 @@ export interface operations {
                     [name: string]: unknown;
                 };
                 content: {
-                    'application/json': components['schemas']['MeDetailed'];
+                    'application/json': components['schemas']['MeDetailed'] & {
+                        token: string;
+                    };
                 };
             };
             /** @description Client error */
@@ -35333,7 +35335,10 @@ export interface operations {
                     [name: string]: unknown;
                 };
                 content: {
-                    'application/json': components['schemas']['UserList'];
+                    'application/json': components['schemas']['UserList'] & {
+                        likedCount?: number;
+                        isLiked?: boolean;
+                    };
                 };
             };
             /** @description Client error */
diff --git a/packages/misskey-js/src/streaming.types.ts b/packages/misskey-js/src/streaming.types.ts
index 10204fb2c9..93838ceed5 100644
--- a/packages/misskey-js/src/streaming.types.ts
+++ b/packages/misskey-js/src/streaming.types.ts
@@ -206,6 +206,14 @@ export type Channels = {
 		};
 		receives: null;
 	};
+	reversi: {
+		params: null;
+		events: {
+			matched: (payload: { game: ReversiGameDetailed }) => void;
+			invited: (payload: { user: User }) => void;
+		};
+		receives: null;
+	};
 	reversiGame: {
 		params: {
 			gameId: string;