diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4f3259fee..1e7932f564 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@
 - Fix: システムアカウントが削除できる問題を修正
 
 ### Client
+- Enhance: モデレーターがセンシティブ設定を変更する際に確認ダイアログを出すように
+- Enhance: ユーザーページのノート一覧と前後のノート表示でチャンネルのノートを含めるように
+- Fix: 削除して編集の削除タイミングを投稿後になるように `#14498`
+- Fix: フォローされたときのメッセージがちらつくことがある問題を修正
+- Fix: 投稿ダイアログがサイズ限界を超えた際にスクロールできない問題を修正
 - Fix: デッキでリンクをダブルクリックすると、ウィンドウが2枚開いてしまう問題を修正
 
 ### Server
diff --git a/locales/index.d.ts b/locales/index.d.ts
index dfdc5a3b37..947b577792 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -5262,6 +5262,14 @@ export interface Locale extends ILocale {
      * " {emoji} " をリアクションしますか？
      */
     "reactAreYouSure": ParameterizedString<"emoji">;
+    /**
+     * このメディアをセンシティブとして設定しますか？
+     */
+    "markAsSensitiveConfirm": string;
+    /**
+     * このメディアのセンシティブ指定を解除しますか？
+     */
+    "unmarkAsSensitiveConfirm": string;
     "_accountSettings": {
         /**
          * コンテンツの表示にログインを必須にする
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index c3d6fa5a41..fbe4d98896 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1311,6 +1311,8 @@ federationSpecified: "このサーバーはホワイトリスト連合で運用
 federationDisabled: "このサーバーは連合が無効化されています。他のサーバーのユーザーとやり取りすることはできません。"
 confirmOnReact: "リアクションする際に確認する"
 reactAreYouSure: "\" {emoji} \" をリアクションしますか？"
+markAsSensitiveConfirm: "このメディアをセンシティブとして設定しますか？"
+unmarkAsSensitiveConfirm: "このメディアのセンシティブ指定を解除しますか？"
 
 _accountSettings:
   requireSigninToViewContents: "コンテンツの表示にログインを必須にする"
diff --git a/packages/frontend/src/components/MkMediaAudio.vue b/packages/frontend/src/components/MkMediaAudio.vue
index 8cf88abaaf..3d2795b37a 100644
--- a/packages/frontend/src/components/MkMediaAudio.vue
+++ b/packages/frontend/src/components/MkMediaAudio.vue
@@ -259,7 +259,14 @@ function showMenu(ev: MouseEvent) {
 	});
 }
 
-function toggleSensitive(file: Misskey.entities.DriveFile) {
+async function toggleSensitive(file: Misskey.entities.DriveFile) {
+	const { canceled } = await os.confirm({
+		type: 'warning',
+		text: file.isSensitive ? i18n.ts.unmarkAsSensitiveConfirm : i18n.ts.markAsSensitiveConfirm,
+	});
+
+	if (canceled) return;
+
 	os.apiWithDialog('drive/files/update', {
 		fileId: file.id,
 		isSensitive: !file.isSensitive,
diff --git a/packages/frontend/src/components/MkMediaImage.vue b/packages/frontend/src/components/MkMediaImage.vue
index 3645a4a66e..8ab990b926 100644
--- a/packages/frontend/src/components/MkMediaImage.vue
+++ b/packages/frontend/src/components/MkMediaImage.vue
@@ -124,11 +124,21 @@ function showMenu(ev: MouseEvent) {
 
 	if (iAmModerator) {
 		menuItems.push({
-			text: i18n.ts.markAsSensitive,
+			text: props.image.isSensitive ? i18n.ts.unmarkAsSensitive : i18n.ts.markAsSensitive,
 			icon: 'ti ti-eye-exclamation',
 			danger: true,
-			action: () => {
-				os.apiWithDialog('drive/files/update', { fileId: props.image.id, isSensitive: true });
+			action: async () => {
+				const { canceled } = await os.confirm({
+					type: 'warning',
+					text: props.image.isSensitive ? i18n.ts.unmarkAsSensitiveConfirm : i18n.ts.markAsSensitiveConfirm,
+				});
+
+				if (canceled) return;
+
+				os.apiWithDialog('drive/files/update', {
+					fileId: props.image.id,
+					isSensitive: !props.image.isSensitive,
+				});
 			},
 		});
 	}
diff --git a/packages/frontend/src/components/MkMediaVideo.vue b/packages/frontend/src/components/MkMediaVideo.vue
index 26372e1a52..682da22711 100644
--- a/packages/frontend/src/components/MkMediaVideo.vue
+++ b/packages/frontend/src/components/MkMediaVideo.vue
@@ -284,7 +284,14 @@ function showMenu(ev: MouseEvent) {
 	});
 }
 
-function toggleSensitive(file: Misskey.entities.DriveFile) {
+async function toggleSensitive(file: Misskey.entities.DriveFile) {
+	const { canceled } = await os.confirm({
+		type: 'warning',
+		text: file.isSensitive ? i18n.ts.unmarkAsSensitiveConfirm : i18n.ts.markAsSensitiveConfirm,
+	});
+
+	if (canceled) return;
+
 	os.apiWithDialog('drive/files/update', {
 		fileId: file.id,
 		isSensitive: !file.isSensitive,
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index ad0a332f99..4e29f0c0d5 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -67,7 +67,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<MkInfo v-if="hasNotSpecifiedMentions" warn :class="$style.hasNotSpecifiedMentions">{{ i18n.ts.notSpecifiedMentionWarning }} - <button class="_textButton" @click="addMissingMention()">{{ i18n.ts.add }}</button></MkInfo>
 	<div v-show="useCw" :class="$style.cwOuter">
 		<input ref="cwInputEl" v-model="cw" :class="$style.cw" :placeholder="i18n.ts.annotation" @keydown="onKeydown" @keyup="onKeyup" @compositionend="onCompositionEnd">
-		<div v-if="maxCwTextLength - cwTextLength < 20" :class="['_acrylic', $style.cwTextCount, { [$style.cwTextOver]: cwTextLength > maxCwTextLength }]">{{ maxCwTextLength - cwTextLength }}</div>		
+		<div v-if="maxCwTextLength - cwTextLength < 20" :class="['_acrylic', $style.cwTextCount, { [$style.cwTextOver]: cwTextLength > maxCwTextLength }]">{{ maxCwTextLength - cwTextLength }}</div>
 	</div>
 	<div :class="[$style.textOuter, { [$style.withCw]: useCw }]">
 		<div v-if="channel" :class="$style.colorBar" :style="{ background: channel.color }"></div>
@@ -104,18 +104,18 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { inject, watch, nextTick, onMounted, defineAsyncComponent, provide, shallowRef, ref, computed } from 'vue';
-import type { ShallowRef } from 'vue';
 import * as mfm from 'mfm-js';
 import * as Misskey from 'misskey-js';
 import insertTextAtCursor from 'insert-text-at-cursor';
 import { toASCII } from 'punycode.js';
 import { host, url } from '@@/js/config.js';
+import type { ShallowRef } from 'vue';
 import type { PostFormProps } from '@/types/post-form.js';
-import MkNoteSimple from '@/components/MkNoteSimple.vue';
+import type { PollEditorModelValue } from '@/components/MkPollEditor.vue';
 import MkNotePreview from '@/components/MkNotePreview.vue';
 import XPostFormAttaches from '@/components/MkPostFormAttaches.vue';
 import MkPollEditor from '@/components/MkPollEditor.vue';
-import type { PollEditorModelValue } from '@/components/MkPollEditor.vue';
+import MkNoteSimple from '@/components/MkNoteSimple.vue';
 import { erase, unique } from '@/scripts/array.js';
 import { extractMentions } from '@/scripts/extract-mentions.js';
 import { formatTimeString } from '@/scripts/format-time-string.js';
@@ -150,6 +150,7 @@ const props = withDefaults(defineProps<PostFormProps & {
 	autofocus: true,
 	mock: false,
 	initialLocalOnly: undefined,
+	deleteInitialNoteAfterPost: false,
 });
 
 provide('mock', props.mock);
@@ -845,6 +846,12 @@ async function post(ev?: MouseEvent) {
 			clear();
 		}
 		nextTick(() => {
+			// 削除して編集の対象ノートを削除
+			if (props.initialNote && props.deleteInitialNoteAfterPost) {
+				misskeyApi('notes/delete', {
+					noteId: props.initialNote.id,
+				});
+			}
 			deleteDraft();
 			emit('posted');
 			if (postData.text && postData.text !== '') {
@@ -896,6 +903,11 @@ async function post(ev?: MouseEvent) {
 			if (m === 0 && s === 0) {
 				claimAchievement('postedAt0min0sec');
 			}
+			if (props.initialNote && props.deleteInitialNoteAfterPost) {
+				if (date.getTime() - new Date(props.initialNote.createdAt).getTime() < 1000 * 60 && props.initialNote.userId === $i.id) {
+					claimAchievement('noteDeletedWithin1min');
+				}
+			}
 		});
 	}).catch(err => {
 		posting.value = false;
@@ -1070,6 +1082,8 @@ defineExpose({
 	&.modal {
 		width: 100%;
 		max-width: 520px;
+		overflow-x: clip;
+		overflow-y: auto;
 	}
 }
 
diff --git a/packages/frontend/src/components/MkPostFormDialog.vue b/packages/frontend/src/components/MkPostFormDialog.vue
index 32d8df1504..4bef5824fe 100644
--- a/packages/frontend/src/components/MkPostFormDialog.vue
+++ b/packages/frontend/src/components/MkPostFormDialog.vue
@@ -4,8 +4,23 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<MkModal ref="modal" :preferType="'dialog'" @click="modal?.close()" @closed="onModalClosed()" @esc="modal?.close()">
-	<MkPostForm ref="form" :class="$style.form" v-bind="props" autofocus freezeAfterPosted @posted="onPosted" @cancel="modal?.close()" @esc="modal?.close()"/>
+<MkModal
+	ref="modal"
+	:preferType="'dialog'"
+	@click="modal?.close()"
+	@closed="onModalClosed()"
+	@esc="modal?.close()"
+>
+	<MkPostForm
+		ref="form"
+		:class="$style.form"
+		v-bind="props"
+		autofocus
+		freezeAfterPosted
+		@posted="onPosted"
+		@cancel="modal?.close()"
+		@esc="modal?.close()"
+	/>
 </MkModal>
 </template>
 
diff --git a/packages/frontend/src/pages/admin-file.vue b/packages/frontend/src/pages/admin-file.vue
index 60f6be51d4..7ccb996fff 100644
--- a/packages/frontend/src/pages/admin-file.vue
+++ b/packages/frontend/src/pages/admin-file.vue
@@ -36,8 +36,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkA v-if="file.user" class="user" :to="`/admin/user/${file.user.id}`">
 				<MkUserCardMini :user="file.user"/>
 			</MkA>
+
 			<div>
-				<MkSwitch v-model="isSensitive" @update:modelValue="toggleIsSensitive">{{ i18n.ts.sensitive }}</MkSwitch>
+				<MkSwitch :modelValue="isSensitive" @update:modelValue="toggleSensitive">{{ i18n.ts.sensitive }}</MkSwitch>
 			</div>
 
 			<div>
@@ -117,9 +118,21 @@ async function del() {
 	});
 }
 
-async function toggleIsSensitive(v) {
-	await misskeyApi('drive/files/update', { fileId: props.fileId, isSensitive: v });
-	isSensitive.value = v;
+async function toggleSensitive() {
+	if (!file.value) return;
+
+	const { canceled } = await os.confirm({
+		type: 'warning',
+		text: isSensitive.value ? i18n.ts.unmarkAsSensitiveConfirm : i18n.ts.markAsSensitiveConfirm,
+	});
+
+	if (canceled) return;
+	isSensitive.value = !isSensitive.value;
+
+	os.apiWithDialog('drive/files/update', {
+		fileId: file.value.id,
+		isSensitive: !file.value.isSensitive,
+	});
 }
 
 const headerActions = computed(() => [{
diff --git a/packages/frontend/src/pages/note.vue b/packages/frontend/src/pages/note.vue
index 0791c1343b..2613437d2b 100644
--- a/packages/frontend/src/pages/note.vue
+++ b/packages/frontend/src/pages/note.vue
@@ -87,6 +87,7 @@ const prevUserPagination: Paging = {
 	params: computed(() => note.value ? ({
 		userId: note.value.userId,
 		untilId: note.value.id,
+		withChannelNotes: true,
 	}) : undefined),
 };
 
@@ -97,6 +98,8 @@ const nextUserPagination: Paging = {
 	params: computed(() => note.value ? ({
 		userId: note.value.userId,
 		sinceId: note.value.id,
+		withChannelNotes: true,
+		includeSensitiveChannel: $i != null,
 	}) : undefined),
 };
 
diff --git a/packages/frontend/src/pages/user/home.vue b/packages/frontend/src/pages/user/home.vue
index 92a24f99cc..8ebcf975b7 100644
--- a/packages/frontend/src/pages/user/home.vue
+++ b/packages/frontend/src/pages/user/home.vue
@@ -49,7 +49,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</div>
 					</div>
 					<div v-if="user.followedMessage != null" class="followedMessage">
-						<MkFukidashi class="fukidashi" :tail="narrow ? 'none' : 'left'" negativeMargin shadow>
+						<MkFukidashi class="fukidashi" :tail="narrow ? 'none' : 'left'" negativeMargin>
 							<div class="messageHeader">{{ i18n.ts.messageToFollower }}</div>
 							<div><MkSparkle><Mfm :plain="true" :text="user.followedMessage" :author="user"/></MkSparkle></div>
 						</MkFukidashi>
diff --git a/packages/frontend/src/pages/user/index.timeline.vue b/packages/frontend/src/pages/user/index.timeline.vue
index 49d015a530..543dce8656 100644
--- a/packages/frontend/src/pages/user/index.timeline.vue
+++ b/packages/frontend/src/pages/user/index.timeline.vue
@@ -43,7 +43,7 @@ const pagination = computed(() => tab.value === 'featured' ? {
 		userId: props.user.id,
 		withRenotes: tab.value === 'all',
 		withReplies: tab.value === 'all',
-		withChannelNotes: tab.value === 'all',
+		withChannelNotes: true,
 		withFiles: tab.value === 'files',
 	},
 });
diff --git a/packages/frontend/src/scripts/get-note-menu.ts b/packages/frontend/src/scripts/get-note-menu.ts
index 23fe811525..4b7dc426f2 100644
--- a/packages/frontend/src/scripts/get-note-menu.ts
+++ b/packages/frontend/src/scripts/get-note-menu.ts
@@ -4,10 +4,10 @@
  */
 
 import { defineAsyncComponent } from 'vue';
-import type { Ref, ShallowRef } from 'vue';
 import * as Misskey from 'misskey-js';
 import { url } from '@@/js/config.js';
 import { claimAchievement } from './achievements.js';
+import type { Ref, ShallowRef } from 'vue';
 import type { MenuItem } from '@/types/menu.js';
 import { $i } from '@/account.js';
 import { i18n } from '@/i18n.js';
@@ -208,15 +208,7 @@ export function getNoteMenu(props: {
 		}).then(({ canceled }) => {
 			if (canceled) return;
 
-			misskeyApi('notes/delete', {
-				noteId: appearNote.id,
-			});
-
-			os.post({ initialNote: appearNote, renote: appearNote.renote, reply: appearNote.reply, channel: appearNote.channel });
-
-			if (Date.now() - new Date(appearNote.createdAt).getTime() < 1000 * 60 && appearNote.userId === $i.id) {
-				claimAchievement('noteDeletedWithin1min');
-			}
+			os.post({ initialNote: appearNote, renote: appearNote.renote, reply: appearNote.reply, channel: appearNote.channel, deleteInitialNoteAfterPost: true });
 		});
 	}
 
diff --git a/packages/frontend/src/types/post-form.ts b/packages/frontend/src/types/post-form.ts
index 5bb04a95a0..6e81c70074 100644
--- a/packages/frontend/src/types/post-form.ts
+++ b/packages/frontend/src/types/post-form.ts
@@ -19,4 +19,5 @@ export interface PostFormProps {
 	initialVisibleUsers?: Misskey.entities.UserDetailed[];
 	initialNote?: Misskey.entities.Note;
 	instant?: boolean;
+	deleteInitialNoteAfterPost?: boolean;
 };