diff --git a/CHANGELOG.md b/CHANGELOG.md
index f558a7a0aebf..c07d1b8f2561 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,11 +4,14 @@
 -
 
 ### Client
+- Enhance: PC画面でチャンネルが複数列で表示されるように  
+  (Cherry-picked from https://github.com/Otaku-Social/maniakey/pull/13)
 - Fix: 画面サイズが変わった際にナビゲーションバーが自動で折りたたまれない問題を修正
 - Fix: サーバー情報メニューに区切り線が不足していたのを修正
 - Fix: ノートがログインしているユーザーしか見れない場合にログインダイアログを閉じるとその後の動線がなくなる問題を修正
 - Fix: 公開範囲がホームのノートの埋め込みウィジェットが読み込まれない問題を修正  
   (Cherry-picked from https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/803)
+- Fix: 絵文字管理画面で一部の絵文字が表示されない問題を修正
 - Fix: ノート作成画面でファイルの添付可能個数を超えてもノートボタンが押せていた問題を修正
 
 ### Server
diff --git a/packages/frontend/src/components/MkChannelPreview.vue b/packages/frontend/src/components/MkChannelPreview.vue
index c470042b79ac..f79989d88254 100644
--- a/packages/frontend/src/components/MkChannelPreview.vue
+++ b/packages/frontend/src/components/MkChannelPreview.vue
@@ -125,7 +125,9 @@ const bannerStyle = computed(() => {
 			position: absolute;
 			top: 16px;
 			left: 16px;
+			max-width: calc(100% - 32px);
 			padding: 12px 16px;
+			box-sizing: border-box;
 			background: rgba(0, 0, 0, 0.7);
 			color: #fff;
 			font-size: 1.2em;
diff --git a/packages/frontend/src/pages/channels.vue b/packages/frontend/src/pages/channels.vue
index bde1650754ab..6830c1ace475 100644
--- a/packages/frontend/src/pages/channels.vue
+++ b/packages/frontend/src/pages/channels.vue
@@ -6,9 +6,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <MkStickyContainer>
 	<template #header><MkPageHeader v-model:tab="tab" :actions="headerActions" :tabs="headerTabs"/></template>
-	<MkSpacer :contentMax="700">
+	<MkSpacer :contentMax="1200">
 		<MkHorizontalSwipe v-model:tab="tab" :tabs="headerTabs">
-			<div v-if="tab === 'search'" key="search">
+			<div v-if="tab === 'search'" key="search" :class="$style.searchRoot">
 				<div class="_gaps">
 					<MkInput v-model="searchQuery" :large="true" :autofocus="true" type="search" @enter="search">
 						<template #prefix><i class="ti ti-search"></i></template>
@@ -27,23 +27,31 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 			<div v-if="tab === 'featured'" key="featured">
 				<MkPagination v-slot="{items}" :pagination="featuredPagination">
-					<MkChannelPreview v-for="channel in items" :key="channel.id" class="_margin" :channel="channel"/>
+					<div :class="$style.root">
+						<MkChannelPreview v-for="channel in items" :key="channel.id" :channel="channel"/>
+					</div>
 				</MkPagination>
 			</div>
 			<div v-else-if="tab === 'favorites'" key="favorites">
 				<MkPagination v-slot="{items}" :pagination="favoritesPagination">
-					<MkChannelPreview v-for="channel in items" :key="channel.id" class="_margin" :channel="channel"/>
+					<div :class="$style.root">
+						<MkChannelPreview v-for="channel in items" :key="channel.id" :channel="channel"/>
+					</div>
 				</MkPagination>
 			</div>
 			<div v-else-if="tab === 'following'" key="following">
 				<MkPagination v-slot="{items}" :pagination="followingPagination">
-					<MkChannelPreview v-for="channel in items" :key="channel.id" class="_margin" :channel="channel"/>
+					<div :class="$style.root">
+						<MkChannelPreview v-for="channel in items" :key="channel.id" :channel="channel"/>
+					</div>
 				</MkPagination>
 			</div>
 			<div v-else-if="tab === 'owned'" key="owned">
 				<MkButton class="new" @click="create()"><i class="ti ti-plus"></i></MkButton>
 				<MkPagination v-slot="{items}" :pagination="ownedPagination">
-					<MkChannelPreview v-for="channel in items" :key="channel.id" class="_margin" :channel="channel"/>
+					<div :class="$style.root">
+						<MkChannelPreview v-for="channel in items" :key="channel.id" :channel="channel"/>
+					</div>
 				</MkPagination>
 			</div>
 		</MkHorizontalSwipe>
@@ -85,6 +93,7 @@ onMounted(() => {
 
 const featuredPagination = {
 	endpoint: 'channels/featured' as const,
+	limit: 10,
 	noPaging: true,
 };
 const favoritesPagination = {
@@ -157,3 +166,17 @@ definePageMetadata(() => ({
 	icon: 'ti ti-device-tv',
 }));
 </script>
+
+<style lang="scss" module>
+.searchRoot {
+	width: 100%;
+	max-width: 700px;
+	margin: 0 auto;
+}
+
+.root {
+	display: grid;
+	grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
+	gap: var(--MI-margin);
+}
+</style>
diff --git a/packages/frontend/src/pages/clip.vue b/packages/frontend/src/pages/clip.vue
index 891d59d6058a..c925bac4d9c4 100644
--- a/packages/frontend/src/pages/clip.vue
+++ b/packages/frontend/src/pages/clip.vue
@@ -46,9 +46,10 @@ import { clipsCache } from '@/cache.js';
 import { isSupportShare } from '@/scripts/navigator.js';
 import { copyToClipboard } from '@/scripts/copy-to-clipboard.js';
 import { genEmbedCode } from '@/scripts/get-embed-code.js';
-import { getServerContext } from '@/server-context.js';
+import { assertServerContext, serverContext } from '@/server-context.js';
 
-const CTX_CLIP = getServerContext('clip');
+// contextは非ログイン状態の情報しかないためログイン時は利用できない
+const CTX_CLIP = $i && assertServerContext(serverContext, 'clip') ? serverContext.clip : null;
 
 const props = defineProps<{
 	clipId: string,
diff --git a/packages/frontend/src/pages/custom-emojis-manager.vue b/packages/frontend/src/pages/custom-emojis-manager.vue
index cae3f3ede97e..789a63eb90f0 100644
--- a/packages/frontend/src/pages/custom-emojis-manager.vue
+++ b/packages/frontend/src/pages/custom-emojis-manager.vue
@@ -31,7 +31,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<template #default="{items}">
 							<div class="ldhfsamy">
 								<button v-for="emoji in items" :key="emoji.id" class="emoji _panel _button" :class="{ selected: selectedEmojis.includes(emoji.id) }" @click="selectMode ? toggleSelect(emoji) : edit(emoji)">
-									<img :src="`/emoji/${emoji.name}.webp`" class="img" :alt="emoji.name"/>
+									<img :src="emoji.url" class="img" :alt="emoji.name"/>
 									<div class="body">
 										<div class="name _monospace">{{ emoji.name }}</div>
 										<div class="info">{{ emoji.category }}</div>
@@ -57,7 +57,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<template #default="{items}">
 							<div class="ldhfsamy">
 								<div v-for="emoji in items" :key="emoji.id" class="emoji _panel _button" @click="remoteMenu(emoji, $event)">
-									<img :src="`/emoji/${emoji.name}@${emoji.host}.webp`" class="img" :alt="emoji.name"/>
+									<img :src="getProxiedImageUrl(emoji.url, 'emoji')" class="img" :alt="emoji.name"/>
 									<div class="body">
 										<div class="name _monospace">{{ emoji.name }}</div>
 										<div class="info">{{ emoji.host }}</div>
@@ -83,6 +83,7 @@ import FormSplit from '@/components/form/split.vue';
 import { selectFile } from '@/scripts/select-file.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/scripts/misskey-api.js';
+import { getProxiedImageUrl } from '@/scripts/media-proxy.js';
 import { i18n } from '@/i18n.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
 
diff --git a/packages/frontend/src/pages/emoji-edit-dialog.vue b/packages/frontend/src/pages/emoji-edit-dialog.vue
index 3765319b2591..da3315cff51a 100644
--- a/packages/frontend/src/pages/emoji-edit-dialog.vue
+++ b/packages/frontend/src/pages/emoji-edit-dialog.vue
@@ -118,7 +118,7 @@ watch(roleIdsThatCanBeUsedThisEmojiAsReaction, async () => {
 	rolesThatCanBeUsedThisEmojiAsReaction.value = (await Promise.all(roleIdsThatCanBeUsedThisEmojiAsReaction.value.map((id) => misskeyApi('admin/roles/show', { roleId: id }).catch(() => null)))).filter(x => x != null);
 }, { immediate: true });
 
-const imgUrl = computed(() => file.value ? file.value.url : props.emoji ? `/emoji/${props.emoji.name}.webp` : null);
+const imgUrl = computed(() => file.value ? file.value.url : props.emoji ? props.emoji.url : null);
 
 async function changeImage(ev: Event) {
 	file.value = await selectFile(ev.currentTarget ?? ev.target, null);
diff --git a/packages/frontend/src/pages/note.vue b/packages/frontend/src/pages/note.vue
index 5cf8f567767b..6eca04db8da8 100644
--- a/packages/frontend/src/pages/note.vue
+++ b/packages/frontend/src/pages/note.vue
@@ -63,9 +63,11 @@ import { dateString } from '@/filters/date.js';
 import MkClipPreview from '@/components/MkClipPreview.vue';
 import { defaultStore } from '@/store.js';
 import { pleaseLogin } from '@/scripts/please-login.js';
-import { getServerContext } from '@/server-context.js';
+import { serverContext, assertServerContext } from '@/server-context.js';
+import { $i } from '@/account.js';
 
-const CTX_NOTE = getServerContext('note');
+// contextは非ログイン状態の情報しかないためログイン時は利用できない
+const CTX_NOTE = $i && assertServerContext(serverContext, 'note') ? serverContext.note : null;
 
 const props = defineProps<{
 	noteId: string;
diff --git a/packages/frontend/src/pages/user/index.vue b/packages/frontend/src/pages/user/index.vue
index d86238740180..c5cda7993591 100644
--- a/packages/frontend/src/pages/user/index.vue
+++ b/packages/frontend/src/pages/user/index.vue
@@ -39,7 +39,7 @@ import { definePageMetadata } from '@/scripts/page-metadata.js';
 import { i18n } from '@/i18n.js';
 import { $i } from '@/account.js';
 import MkHorizontalSwipe from '@/components/MkHorizontalSwipe.vue';
-import { getServerContext } from '@/server-context.js';
+import { serverContext, assertServerContext } from '@/server-context.js';
 
 const XHome = defineAsyncComponent(() => import('./home.vue'));
 const XTimeline = defineAsyncComponent(() => import('./index.timeline.vue'));
@@ -53,7 +53,8 @@ const XFlashs = defineAsyncComponent(() => import('./flashs.vue'));
 const XGallery = defineAsyncComponent(() => import('./gallery.vue'));
 const XRaw = defineAsyncComponent(() => import('./raw.vue'));
 
-const CTX_USER = getServerContext('user');
+// contextは非ログイン状態の情報しかないためログイン時は利用できない
+const CTX_USER = $i && assertServerContext(serverContext, 'user') ? serverContext.user : null;
 
 const props = withDefaults(defineProps<{
 	acct: string;
diff --git a/packages/frontend/src/server-context.ts b/packages/frontend/src/server-context.ts
index aa44a1029076..e79d3fa314f7 100644
--- a/packages/frontend/src/server-context.ts
+++ b/packages/frontend/src/server-context.ts
@@ -2,22 +2,20 @@
  * SPDX-FileCopyrightText: syuilo and misskey-project
  * SPDX-License-Identifier: AGPL-3.0-only
  */
+
 import * as Misskey from 'misskey-js';
-import { $i } from '@/account.js';
 
 const providedContextEl = document.getElementById('misskey_clientCtx');
 
 export type ServerContext = {
 	clip?: Misskey.entities.Clip;
 	note?: Misskey.entities.Note;
-	user?: Misskey.entities.UserLite;
+	user?: Misskey.entities.UserDetailed;
 } | null;
 
 export const serverContext: ServerContext = (providedContextEl && providedContextEl.textContent) ? JSON.parse(providedContextEl.textContent) : null;
 
-export function getServerContext<K extends keyof NonNullable<ServerContext>>(entity: K): Required<Pick<NonNullable<ServerContext>, K>> | null {
-	// contextは非ログイン状態の情報しかないためログイン時は利用できない
-	if ($i) return null;
-
-	return serverContext ? (serverContext[entity] ?? null) : null;
+export function assertServerContext<K extends keyof NonNullable<ServerContext>>(ctx: ServerContext, entity: K): ctx is Required<Pick<NonNullable<ServerContext>, K>> {
+	if (ctx == null) return false;
+	return entity in ctx && ctx[entity] != null;
 }
diff --git a/packages/misskey-js/src/api.ts b/packages/misskey-js/src/api.ts
index ed1282957fbe..e663d712a7bd 100644
--- a/packages/misskey-js/src/api.ts
+++ b/packages/misskey-js/src/api.ts
@@ -44,7 +44,7 @@ export class APIClient {
 		credential?: APIClient['credential'];
 		fetch?: APIClient['fetch'] | null | undefined;
 	}) {
-		this.origin = opts.origin;
+		this.origin = opts.origin.replace(/\/$/, '');
 		this.credential = opts.credential;
 		// ネイティブ関数をそのまま変数に代入して使おうとするとChromiumではIllegal invocationエラーが発生するため、
 		// 環境で実装されているfetchを使う場合は無名関数でラップして使用する