diff --git a/src/api/gramjs/methods/chats.ts b/src/api/gramjs/methods/chats.ts
index 0e5a0a8e0..5a499e824 100644
--- a/src/api/gramjs/methods/chats.ts
+++ b/src/api/gramjs/methods/chats.ts
@@ -735,27 +735,26 @@ async function getFullChannelInfo(
   };
 }
 
-export function updateChatMutedState({
-  chat, isMuted, mutedUntil = 0,
+export function updateChatNotifySettings({
+  chat, settings,
 }: {
-  chat: ApiChat; isMuted?: boolean; mutedUntil?: number;
+  chat: ApiChat; settings: Partial<ApiPeerNotifySettings>;
 }) {
-  if (isMuted && !mutedUntil) {
-    mutedUntil = MAX_INT_32;
-  }
   invokeRequest(new GramJs.account.UpdateNotifySettings({
     peer: new GramJs.InputNotifyPeer({
       peer: buildInputPeer(chat.id, chat.accessHash),
     }),
-    settings: new GramJs.InputPeerNotifySettings({ muteUntil: mutedUntil }),
+    settings: new GramJs.InputPeerNotifySettings({
+      muteUntil: settings.mutedUntil,
+      showPreviews: settings.shouldShowPreviews,
+      silent: settings.isSilentPosting,
+    }),
   }));
 
   sendApiUpdate({
     '@type': 'updateChatNotifySettings',
     chatId: chat.id,
-    settings: {
-      mutedUntil,
-    },
+    settings,
   });
 
   void requestChatUpdate({
diff --git a/src/assets/localization/fallback.strings b/src/assets/localization/fallback.strings
index 2c4652302..3b66b28bc 100644
--- a/src/assets/localization/fallback.strings
+++ b/src/assets/localization/fallback.strings
@@ -1271,6 +1271,18 @@
 "AriaOpenBotMenu" = "Open bot menu";
 "AriaOpenSymbolMenu" = "Choose emoji, sticker or GIF";
 "AriaComposerOpenScheduled" = "Open scheduled messages";
+"AriaComposerBotKeyboard" = "Show bot keyboard";
+"AriaComposerSilentPostingEnable" = "Enable silent notifications.";
+"AriaComposerSilentPostingDisable" = "Disable silent notifications.";
+"ComposerSilentPostingEnabledTootlip" = "Subscribers will receive a silent notification.";
+"ComposerSilentPostingDisabledTootlip" = "Subscribers will be notified when you post.";
+"ComposerPlaceholder" = "Message";
+"ComposerPlaceholderBroadcast" = "Broadcast";
+"ComposerPlaceholderBroadcastSilent" = "Silent Broadcast";
+"ComposerPlaceholderTopic" = "Message in {topic}";
+"ComposerPlaceholderTopicGeneral" = "Message in General";
+"ComposerStoryPlaceholderLocked" = "Replies restricted";
+"ComposerPlaceholderNoText" = "Text not allowed";
 "AriaComposerCancelVoice" = "Cancel voice recording";
 "PreviewForwardedMessage_one" = "{count} forwarded message";
 "PreviewForwardedMessage_other" = "{count} forwarded messages";
diff --git a/src/components/common/Composer.scss b/src/components/common/Composer.scss
index 261b44e7b..e31af8474 100644
--- a/src/components/common/Composer.scss
+++ b/src/components/common/Composer.scss
@@ -292,6 +292,24 @@
       color: #fff;
     }
   }
+
+  .composer-action-buttons-container {
+    width: auto;
+    position: relative;
+
+    + .AttachMenu {
+      margin-left: var(--action-button-compact-fix);
+    }
+  }
+
+  .composer-action-buttons {
+    display: flex;
+    top: 0;
+    right: 0;
+    left: auto;
+    width: auto;
+    height: auto;
+  }
 }
 
 .mobile-symbol-menu-button {
@@ -384,25 +402,32 @@
 }
 
 .message-input-wrapper {
+  --action-button-size: var(--base-height, 3.5rem);
+  --action-button-compact-fix: -1rem;
   display: flex;
 
+  @media (max-width: 600px) {
+    --action-button-size: 2.875rem;
+    --action-button-compact-fix: -0.6875rem;
+  }
+
   .input-scroller {
-    margin-right: 0.5rem;
-    padding-right: 0.25rem;
+    --_scroller-right-gap: calc((var(--action-button-size) + var(--action-button-compact-fix) - 0.125rem));
+    margin-right: calc(-1 * var(--_scroller-right-gap));
+    padding-right: var(--_scroller-right-gap);
   }
 
   > .Spinner {
     align-self: center;
     --spinner-size: 1.5rem;
-    margin-right: -0.5rem;
+    margin-right: 0.5rem;
   }
 
-  > .AttachMenu > .Button,
-  > .Button {
+  .composer-action-button {
     flex-shrink: 0;
     background: none !important;
-    width: var(--base-height, 3.5rem);
-    height: var(--base-height, 3.5rem);
+    width: var(--action-button-size);
+    height: var(--action-button-size);
     margin: 0;
     padding: 0;
     align-self: flex-end;
@@ -411,17 +436,8 @@
       color: var(--color-composer-button);
     }
 
-    + .Button, + .AttachMenu {
-      margin-left: -1rem;
-    }
-
-    @media (max-width: 600px) {
-      width: 2.875rem;
-      height: 2.875rem;
-
-      + .Button, + .AttachMenu {
-        margin-left: -0.6875rem;
-      }
+    + .composer-action-button {
+      margin-left: var(--action-button-compact-fix);
     }
 
     &.bot-menu {
diff --git a/src/components/common/Composer.tsx b/src/components/common/Composer.tsx
index 8bc9101e7..5ba2cf48e 100644
--- a/src/components/common/Composer.tsx
+++ b/src/components/common/Composer.tsx
@@ -66,6 +66,7 @@ import {
   isSystemBot,
   isUserId,
 } from '../../global/helpers';
+import { getChatNotifySettings } from '../../global/helpers/notifications';
 import {
   selectBot,
   selectCanPlayAnimatedEmojis,
@@ -86,6 +87,8 @@ import {
   selectIsReactionPickerOpen,
   selectIsRightColumnShown,
   selectNewestMessageWithBotKeyboardButtons,
+  selectNotifyDefaults,
+  selectNotifyException,
   selectNoWebPage,
   selectPeerStory,
   selectPerformanceSettingsValue,
@@ -126,6 +129,7 @@ import useDerivedState from '../../hooks/useDerivedState';
 import useEffectWithPrevDeps from '../../hooks/useEffectWithPrevDeps';
 import useFlag from '../../hooks/useFlag';
 import useGetSelectionRange from '../../hooks/useGetSelectionRange';
+import useLang from '../../hooks/useLang';
 import useLastCallback from '../../hooks/useLastCallback';
 import useOldLang from '../../hooks/useOldLang';
 import usePreviousDeprecated from '../../hooks/usePreviousDeprecated';
@@ -170,6 +174,7 @@ import ReactionSelector from '../middle/message/reactions/ReactionSelector';
 import Button from '../ui/Button';
 import ResponsiveHoverButton from '../ui/ResponsiveHoverButton';
 import Spinner from '../ui/Spinner';
+import Transition from '../ui/Transition';
 import Avatar from './Avatar';
 import Icon from './icons/Icon';
 import ReactionAnimatedEmoji from './reactions/ReactionAnimatedEmoji';
@@ -272,6 +277,7 @@ type StateProps =
     canPlayEffect?: boolean;
     shouldPlayEffect?: boolean;
     maxMessageLength: number;
+    isSilentPosting?: boolean;
   };
 
 enum MainButtonState {
@@ -304,9 +310,6 @@ const Composer: FC<OwnProps & StateProps> = ({
   canScheduleUntilOnline,
   isReady,
   isMobile,
-  onDropHide,
-  onFocus,
-  onBlur,
   editingMessage,
   chatId,
   threadId,
@@ -376,7 +379,6 @@ const Composer: FC<OwnProps & StateProps> = ({
   quickReplyMessages,
   quickReplies,
   canSendQuickReplies,
-  onForward,
   webPagePreview,
   noWebPage,
   isContactRequirePremium,
@@ -386,6 +388,11 @@ const Composer: FC<OwnProps & StateProps> = ({
   canPlayEffect,
   shouldPlayEffect,
   maxMessageLength,
+  isSilentPosting,
+  onDropHide,
+  onFocus,
+  onBlur,
+  onForward,
 }) => {
   const {
     sendMessage,
@@ -412,9 +419,11 @@ const Composer: FC<OwnProps & StateProps> = ({
     saveEffectInDraft,
     setReactionEffect,
     hideEffectInComposer,
+    updateChatSilentPosting,
   } = getActions();
 
-  const lang = useOldLang();
+  const oldLang = useOldLang();
+  const lang = useLang();
 
   // eslint-disable-next-line no-null/no-null
   const inputRef = useRef<HTMLDivElement>(null);
@@ -785,21 +794,21 @@ const Composer: FC<OwnProps & StateProps> = ({
     const notificationNumber = customEmojiNotificationNumber.current;
     if (!notificationNumber) {
       showNotification({
-        message: lang('UnlockPremiumEmojiHint'),
+        message: oldLang('UnlockPremiumEmojiHint'),
         action: {
           action: 'openPremiumModal',
           payload: { initialSection: 'animated_emoji' },
         },
-        actionText: lang('PremiumMore'),
+        actionText: oldLang('PremiumMore'),
       });
     } else {
       showNotification({
-        message: lang('UnlockPremiumEmojiHint2'),
+        message: oldLang('UnlockPremiumEmojiHint2'),
         action: {
           action: 'openChat',
           payload: { id: currentUserId, shouldReplaceHistory: true },
         },
-        actionText: lang('Open'),
+        actionText: oldLang('Open'),
       });
     }
     customEmojiNotificationNumber.current = Number(!notificationNumber);
@@ -910,7 +919,7 @@ const Composer: FC<OwnProps & StateProps> = ({
           : slowMode.seconds - secondsSinceLastMessage!;
         showDialog({
           data: {
-            message: lang('SlowModeHint', formatMediaDuration(secondsRemaining)),
+            message: oldLang('SlowModeHint', formatMediaDuration(secondsRemaining)),
             isSlowMode: true,
             hasErrorKey: false,
           },
@@ -942,6 +951,7 @@ const Composer: FC<OwnProps & StateProps> = ({
     if (!currentMessageList && !storyId) {
       return;
     }
+    isSilent = isSilent || isSilentPosting;
 
     const { text, entities } = parseHtmlAsFormattedText(getHtml());
     if (!text && !attachmentsToSend.length) {
@@ -1018,6 +1028,8 @@ const Composer: FC<OwnProps & StateProps> = ({
       return;
     }
 
+    isSilent = isSilent || isSilentPosting;
+
     let currentAttachments = attachments;
 
     if (activeVoiceRecording) {
@@ -1129,7 +1141,7 @@ const Composer: FC<OwnProps & StateProps> = ({
         threadId,
         queryId,
         scheduledAt,
-        isSilent,
+        isSilent: isSilent || isSilentPosting,
       });
       return;
     }
@@ -1197,6 +1209,8 @@ const Composer: FC<OwnProps & StateProps> = ({
       return;
     }
 
+    isSilent = isSilent || isSilentPosting;
+
     if (isInScheduledList || isScheduleRequested) {
       forceShowSymbolMenu();
       requestCalendar((scheduledAt) => {
@@ -1225,6 +1239,8 @@ const Composer: FC<OwnProps & StateProps> = ({
       return;
     }
 
+    isSilent = isSilent || isSilentPosting;
+
     sticker = {
       ...sticker,
       isPreloadedGlobally: true,
@@ -1261,6 +1277,8 @@ const Composer: FC<OwnProps & StateProps> = ({
       return;
     }
 
+    isSilent = isSilent || isSilentPosting;
+
     if (isInScheduledList || isScheduleRequested) {
       requestCalendar((scheduledAt) => {
         handleMessageSchedule({
@@ -1308,7 +1326,7 @@ const Composer: FC<OwnProps & StateProps> = ({
       });
       closePollModal();
     } else {
-      sendMessage({ messageList: currentMessageList, poll });
+      sendMessage({ messageList: currentMessageList, poll, isSilent: isSilentPosting });
       closePollModal();
     }
   });
@@ -1378,6 +1396,17 @@ const Composer: FC<OwnProps & StateProps> = ({
     });
   });
 
+  const handleToggleSilentPosting = useLastCallback(() => {
+    const newValue = !isSilentPosting;
+    updateChatSilentPosting({ chatId, isEnabled: newValue });
+
+    showNotification({
+      localId: 'silentPosting',
+      icon: newValue ? 'mute' : 'unmute',
+      message: lang(`ComposerSilentPosting${newValue ? 'Enabled' : 'Disabled'}Tootlip`),
+    });
+  });
+
   useEffect(() => {
     if (isRightColumnShown && isMobile) {
       closeSymbolMenu();
@@ -1396,10 +1425,11 @@ const Composer: FC<OwnProps & StateProps> = ({
     }
   }, [isSelectModeActive, enableHover, disableHover, isReady]);
 
-  const withBotMenuButton = isChatWithBot && botMenuButton?.type === 'webApp' && !editingMessage;
-  const isBotMenuButtonOpen = useDerivedState(() => {
-    return withBotMenuButton && !getHtml() && !activeVoiceRecording;
-  }, [withBotMenuButton, getHtml, activeVoiceRecording]);
+  const hasText = useDerivedState(() => Boolean(getHtml()), [getHtml]);
+
+  const withBotMenuButton = isChatWithBot && botMenuButton?.type === 'webApp' && !editingMessage
+    && messageListType === 'thread';
+  const isBotMenuButtonOpen = withBotMenuButton && !hasText && !activeVoiceRecording;
 
   const [timedPlaceholderLangKey, timedPlaceholderDate] = useMemo(() => {
     if (slowMode?.nextSendDate) {
@@ -1419,11 +1449,33 @@ const Composer: FC<OwnProps & StateProps> = ({
   || isCustomSendMenuOpen || Boolean(activeVoiceRecording) || attachments.length > 0 || isInputHasFocus;
   const isReactionSelectorOpen = isComposerHasFocus && !isReactionPickerOpen && isInStoryViewer && !isAttachMenuOpen
     && !isSymbolMenuOpen;
-  const placeholderForForumAsMessages = chat?.isForum && chat?.isForumAsMessages && threadId === MAIN_THREAD_ID
-    ? (replyToTopic
-      ? lang('Chat.InputPlaceholderReplyInTopic', replyToTopic.title)
-      : lang('Message.Placeholder.MessageInGeneral'))
-    : undefined;
+
+  const placeholder = useMemo(() => {
+    if (activeVoiceRecording && windowWidth <= SCREEN_WIDTH_TO_HIDE_PLACEHOLDER) {
+      return '';
+    }
+
+    if (!isComposerBlocked) {
+      if (botKeyboardPlaceholder) return botKeyboardPlaceholder;
+      if (inputPlaceholder) return inputPlaceholder;
+      if (chat?.isForum && chat?.isForumAsMessages && threadId === MAIN_THREAD_ID) {
+        return replyToTopic
+          ? lang('ComposerPlaceholderTopic', { topic: replyToTopic.title })
+          : lang('ComposerPlaceholderTopicGeneral');
+      }
+      if (isChannel) {
+        return lang(isSilentPosting ? 'ComposerPlaceholderBroadcastSilent' : 'ComposerPlaceholderBroadcast');
+      }
+      return lang('ComposerPlaceholder');
+    }
+
+    if (isInStoryViewer) return lang('ComposerStoryPlaceholderLocked');
+
+    return lang('ComposerPlaceholderNoText');
+  }, [
+    activeVoiceRecording, botKeyboardPlaceholder, chat, inputPlaceholder, isChannel, isComposerBlocked,
+    isInStoryViewer, isSilentPosting, lang, replyToTopic, threadId, windowWidth,
+  ]);
 
   useEffect(() => {
     if (isComposerHasFocus) {
@@ -1452,7 +1504,7 @@ const Composer: FC<OwnProps & StateProps> = ({
         if (areVoiceMessagesNotAllowed) {
           if (!canSendVoiceByPrivacy) {
             showNotification({
-              message: lang('VoiceMessagesRestrictedByPrivacy', chat?.title),
+              message: oldLang('VoiceMessagesRestrictedByPrivacy', chat?.title),
             });
           } else if (!canSendVoices) {
             showAllowedMessageTypesNotification({ chatId });
@@ -1788,9 +1840,10 @@ const Composer: FC<OwnProps & StateProps> = ({
                   round
                   color="translucent"
                   onClick={isSendAsMenuOpen ? closeSendAsMenu : handleSendAsMenuOpen}
-                  ariaLabel={lang('SendMessageAsTitle')}
+                  ariaLabel={oldLang('SendMessageAsTitle')}
                   className={buildClassName(
                     'send-as-button',
+                    'composer-action-button',
                     shouldAnimateSendAsButtonRef.current && 'appear-animation',
                   )}
                 >
@@ -1840,13 +1893,7 @@ const Composer: FC<OwnProps & StateProps> = ({
             isReady={isReady}
             isActive={!hasAttachments}
             getHtml={getHtml}
-            placeholder={
-              activeVoiceRecording && windowWidth <= SCREEN_WIDTH_TO_HIDE_PLACEHOLDER
-                ? ''
-                : (!isComposerBlocked
-                  ? (botKeyboardPlaceholder || inputPlaceholder || lang(placeholderForForumAsMessages || 'Message'))
-                  : isInStoryViewer ? lang('StoryRepliesLocked') : lang('Chat.PlaceholderTextNotAllowed'))
-            }
+            placeholder={placeholder}
             timedPlaceholderDate={timedPlaceholderDate}
             timedPlaceholderLangKey={timedPlaceholderLangKey}
             forcedPlaceholder={inlineBotHelp}
@@ -1866,29 +1913,55 @@ const Composer: FC<OwnProps & StateProps> = ({
               {isInlineBotLoading && Boolean(inlineBotId) && (
                 <Spinner color="gray" />
               )}
-              {withScheduledButton && (
-                <Button
-                  round
-                  faded
-                  className="scheduled-button"
-                  color="translucent"
-                  onClick={handleAllScheduledClick}
-                  ariaLabel="Open scheduled messages"
-                >
-                  <Icon name="schedule" />
-                </Button>
-              )}
-              {Boolean(botKeyboardMessageId) && !activeVoiceRecording && !editingMessage && (
-                <ResponsiveHoverButton
-                  className={isBotKeyboardOpen ? 'activated' : ''}
-                  round
-                  color="translucent"
-                  onActivate={openBotKeyboard}
-                  ariaLabel="Open bot command keyboard"
-                >
-                  <Icon name="bot-command" />
-                </ResponsiveHoverButton>
-              )}
+              <Transition
+                className="composer-action-buttons-container"
+                slideClassName="composer-action-buttons"
+                activeKey={Number(hasText)}
+                direction="inverse"
+                name="slideFadeAndroid"
+              >
+                {!hasText && (
+                  <>
+                    {isChannel && (
+                      <Button
+                        round
+                        faded
+                        className="composer-action-button"
+                        color="translucent"
+                        onClick={handleToggleSilentPosting}
+                        ariaLabel={lang(
+                          isSilentPosting ? 'AriaComposerSilentPostingDisable' : 'AriaComposerSilentPostingEnable',
+                        )}
+                      >
+                        <Icon name={isSilentPosting ? 'mute' : 'unmute'} />
+                      </Button>
+                    )}
+                    {withScheduledButton && (
+                      <Button
+                        round
+                        faded
+                        className="composer-action-button scheduled-button"
+                        color="translucent"
+                        onClick={handleAllScheduledClick}
+                        ariaLabel={lang('AriaComposerOpenScheduled')}
+                      >
+                        <Icon name="schedule" />
+                      </Button>
+                    )}
+                    {Boolean(botKeyboardMessageId) && !activeVoiceRecording && !editingMessage && (
+                      <ResponsiveHoverButton
+                        className={buildClassName('composer-action-button', isBotKeyboardOpen && 'activated')}
+                        round
+                        color="translucent"
+                        onActivate={openBotKeyboard}
+                        ariaLabel={lang('AriaComposerBotKeyboard')}
+                      >
+                        <Icon name="bot-command" />
+                      </ResponsiveHoverButton>
+                    )}
+                  </>
+                )}
+              </Transition>
             </>
           )}
           {activeVoiceRecording && Boolean(currentRecordTime) && (
@@ -1968,7 +2041,7 @@ const Composer: FC<OwnProps & StateProps> = ({
           className={buildClassName('view-once', isViewOnceEnabled && 'active')}
           round
           color="secondary"
-          ariaLabel={lang('Chat.PlayOnceVoiceMessageTooltip')}
+          ariaLabel={oldLang('Chat.PlayOnceVoiceMessageTooltip')}
           onClick={toogleViewOnceEnabled}
         >
           <Icon name="view-once" />
@@ -1994,7 +2067,7 @@ const Composer: FC<OwnProps & StateProps> = ({
           onClick={handleLikeStory}
           onContextMenu={handleStoryPickerContextMenu}
           onMouseDown={handleBeforeStoryPickerContextMenu}
-          ariaLabel={lang('AccDescrLike')}
+          ariaLabel={oldLang('AccDescrLike')}
           ref={storyReactionRef}
         >
           {sentStoryReaction && (
@@ -2023,7 +2096,7 @@ const Composer: FC<OwnProps & StateProps> = ({
         disabled={areVoiceMessagesNotAllowed}
         allowDisabledClick
         noFastClick
-        ariaLabel={lang(sendButtonAriaLabel)}
+        ariaLabel={oldLang(sendButtonAriaLabel)}
         onClick={mainButtonHandler}
         onContextMenu={
           mainButtonState === MainButtonState.Send && canShowCustomSendMenu ? handleContextMenu : undefined
@@ -2140,6 +2213,11 @@ export default memo(withGlobal<OwnProps>(
     const canSendQuickReplies = isChatWithUser && !isChatWithBot && !isInScheduledList && !isChatWithSelf;
 
     const noWebPage = selectNoWebPage(global, chatId, threadId);
+    const isSilentPosting = chat && getChatNotifySettings(
+      chat,
+      selectNotifyDefaults(global),
+      selectNotifyException(global, chatId),
+    )?.isSilentPosting;
 
     const areEffectsSupported = isChatWithUser && !isChatWithBot
     && !isInScheduledList && !isChatWithSelf && type !== 'story' && chatId !== SERVICE_NOTIFICATIONS_USER_ID;
@@ -2227,6 +2305,7 @@ export default memo(withGlobal<OwnProps>(
       canPlayEffect,
       shouldPlayEffect,
       maxMessageLength,
+      isSilentPosting,
     };
   },
 )(Composer));
diff --git a/src/components/middle/composer/AttachMenu.tsx b/src/components/middle/composer/AttachMenu.tsx
index a795d5024..f79b3fcb5 100644
--- a/src/components/middle/composer/AttachMenu.tsx
+++ b/src/components/middle/composer/AttachMenu.tsx
@@ -20,6 +20,7 @@ import {
   getMessageWebPagePhoto,
   getMessageWebPageVideo,
 } from '../../../global/helpers';
+import buildClassName from '../../../util/buildClassName';
 import { getDebugLogs } from '../../../util/debugConsole';
 import { validateFiles } from '../../../util/files';
 import { openSystemFilesDialog } from '../../../util/systemFilesDialog';
@@ -175,7 +176,7 @@ const AttachMenu: FC<OwnProps> = ({
         editingMessage && canEditMedia ? (
           <ResponsiveHoverButton
             id="replace-menu-button"
-            className={isAttachMenuOpen ? 'AttachMenu--button activated' : 'AttachMenu--button'}
+            className={buildClassName('AttachMenu--button composer-action-button', isAttachMenuOpen && 'activated')}
             round
             color="translucent"
             onActivate={handleToggleAttachMenu}
@@ -189,7 +190,7 @@ const AttachMenu: FC<OwnProps> = ({
           <ResponsiveHoverButton
             id="attach-menu-button"
             disabled={Boolean(editingMessage)}
-            className={isAttachMenuOpen ? 'AttachMenu--button activated' : 'AttachMenu--button'}
+            className={buildClassName('AttachMenu--button composer-action-button', isAttachMenuOpen && 'activated')}
             round
             color="translucent"
             onActivate={handleToggleAttachMenu}
diff --git a/src/components/middle/composer/BotMenuButton.tsx b/src/components/middle/composer/BotMenuButton.tsx
index 7542fa51b..be60622a2 100644
--- a/src/components/middle/composer/BotMenuButton.tsx
+++ b/src/components/middle/composer/BotMenuButton.tsx
@@ -46,7 +46,7 @@ const BotMenuButton: FC<OwnProps> = ({
 
   return (
     <Button
-      className={buildClassName('bot-menu', isOpen && 'open')}
+      className={buildClassName('composer-action-button bot-menu', isOpen && 'open')}
       round
       color="translucent"
       disabled={isDisabled}
diff --git a/src/components/middle/composer/SymbolMenuButton.tsx b/src/components/middle/composer/SymbolMenuButton.tsx
index 09582daa1..82cc32a6d 100644
--- a/src/components/middle/composer/SymbolMenuButton.tsx
+++ b/src/components/middle/composer/SymbolMenuButton.tsx
@@ -92,7 +92,7 @@ const SymbolMenuButton: FC<OwnProps> = ({
   const [contextMenuAnchor, setContextMenuAnchor] = useState<IAnchorPosition | undefined>(undefined);
 
   const symbolMenuButtonClassName = buildClassName(
-    'mobile-symbol-menu-button',
+    'composer-action-button mobile-symbol-menu-button',
     !isReady && 'not-ready',
     isSymbolMenuLoaded
       ? (isSymbolMenuOpen && 'menu-opened')
@@ -157,7 +157,7 @@ const SymbolMenuButton: FC<OwnProps> = ({
         </Button>
       ) : (
         <ResponsiveHoverButton
-          className={buildClassName('symbol-menu-button', isSymbolMenuOpen && 'activated')}
+          className={buildClassName('composer-action-button symbol-menu-button', isSymbolMenuOpen && 'activated')}
           round
           color="translucent"
           onActivate={handleActivateSymbolMenu}
diff --git a/src/global/actions/api/chats.ts b/src/global/actions/api/chats.ts
index 26bc51cd2..018ea1e68 100644
--- a/src/global/actions/api/chats.ts
+++ b/src/global/actions/api/chats.ts
@@ -23,6 +23,7 @@ import {
   CHAT_LIST_LOAD_SLICE,
   DEBUG,
   GLOBAL_SUGGESTED_CHANNELS_ID,
+  MAX_INT_32,
   RE_TG_LINK,
   SAVED_FOLDER_ID,
   SERVICE_NOTIFICATIONS_USER_ID,
@@ -625,13 +626,29 @@ addActionHandler('requestSavedDialogUpdate', async (global, actions, payload): P
 });
 
 addActionHandler('updateChatMutedState', (global, actions, payload): ActionReturnType => {
-  const { chatId, isMuted, mutedUntil } = payload;
+  const { chatId, isMuted } = payload;
+  let { mutedUntil } = payload;
+
+  const chat = selectChat(global, chatId);
+  if (!chat) {
+    return;
+  }
+  if (isMuted && !mutedUntil) {
+    mutedUntil = MAX_INT_32;
+  }
+
+  void callApi('updateChatNotifySettings', { chat, settings: { mutedUntil } });
+});
+
+addActionHandler('updateChatSilentPosting', (global, actions, payload): ActionReturnType => {
+  const { chatId, isEnabled } = payload;
+
   const chat = selectChat(global, chatId);
   if (!chat) {
     return;
   }
 
-  void callApi('updateChatMutedState', { chat, isMuted, mutedUntil });
+  void callApi('updateChatNotifySettings', { chat, settings: { isSilentPosting: isEnabled } });
 });
 
 addActionHandler('updateTopicMutedState', (global, actions, payload): ActionReturnType => {
diff --git a/src/global/types/actions.ts b/src/global/types/actions.ts
index 36eceb7ef..9a6041d3b 100644
--- a/src/global/types/actions.ts
+++ b/src/global/types/actions.ts
@@ -1051,6 +1051,10 @@ export interface ActionPayloads {
     isMuted?: boolean;
     mutedUntil?: number;
   };
+  updateChatSilentPosting: {
+    chatId: string;
+    isEnabled: boolean;
+  };
 
   updateChat: {
     chatId: string;
diff --git a/src/types/language.d.ts b/src/types/language.d.ts
index 00cd74f8e..e2b2ad538 100644
--- a/src/types/language.d.ts
+++ b/src/types/language.d.ts
@@ -1087,6 +1087,17 @@ export interface LangPair {
   'AriaOpenBotMenu': undefined;
   'AriaOpenSymbolMenu': undefined;
   'AriaComposerOpenScheduled': undefined;
+  'AriaComposerBotKeyboard': undefined;
+  'AriaComposerSilentPostingEnable': undefined;
+  'AriaComposerSilentPostingDisable': undefined;
+  'ComposerSilentPostingEnabledTootlip': undefined;
+  'ComposerSilentPostingDisabledTootlip': undefined;
+  'ComposerPlaceholder': undefined;
+  'ComposerPlaceholderBroadcast': undefined;
+  'ComposerPlaceholderBroadcastSilent': undefined;
+  'ComposerPlaceholderTopicGeneral': undefined;
+  'ComposerStoryPlaceholderLocked': undefined;
+  'ComposerPlaceholderNoText': undefined;
   'AriaComposerCancelVoice': undefined;
   'PreviewEditMessage': undefined;
   'FileDropZoneTitle': undefined;
@@ -1706,6 +1717,9 @@ export interface LangPairWithVariables<V extends unknown = LangVariable> {
   'MediaViewDownloading': {
     'count': V;
   };
+  'ComposerPlaceholderTopic': {
+    'topic': V;
+  };
   'ChannelManagementLinkDiscussion': {
     'group': V;
     'channel': V;