diff --git a/_schema/tdlib.tl b/_schema/tdlib.tl
index e237fcfe79..ce6615dd7b 100644
--- a/_schema/tdlib.tl
+++ b/_schema/tdlib.tl
@@ -1,8 +1,8 @@
 // Code generated by ./cmd/dltl, DO NOT EDIT.
 //
 // Source: https://raw.githubusercontent.com/tdlib/td/master/td/generate/scheme/telegram_api.tl
-// Layer:  139
-// SHA256: a9b8378fd6c4eec9e4c23dc0b34b3827c79e7488bf3b20b4e852f910d6432d41
+// Layer:  140
+// SHA256: 513ceb0e44c4658e99d3d7f6c5a46b758bcacfa9f97073a894cbf5225cb2163a
 
 int#a8509bda ? = Int;
 
@@ -164,7 +164,7 @@ storage.fileWebp#1081464c = storage.FileType;
 
 userEmpty#d3bc4b7a id:long = User;
 
-user#3ff6ecb0 flags:# self:flags.10?true contact:flags.11?true mutual_contact:flags.12?true deleted:flags.13?true bot:flags.14?true bot_chat_history:flags.15?true bot_nochats:flags.16?true verified:flags.17?true restricted:flags.18?true min:flags.20?true bot_inline_geo:flags.21?true support:flags.23?true scam:flags.24?true apply_min_photo:flags.25?true fake:flags.26?true id:long access_hash:flags.0?long first_name:flags.1?string last_name:flags.2?string username:flags.3?string phone:flags.4?string photo:flags.5?UserProfilePhoto status:flags.6?UserStatus bot_info_version:flags.14?int restriction_reason:flags.18?Vector<RestrictionReason> bot_inline_placeholder:flags.19?string lang_code:flags.22?string = User;
+user#3ff6ecb0 flags:# self:flags.10?true contact:flags.11?true mutual_contact:flags.12?true deleted:flags.13?true bot:flags.14?true bot_chat_history:flags.15?true bot_nochats:flags.16?true verified:flags.17?true restricted:flags.18?true min:flags.20?true bot_inline_geo:flags.21?true support:flags.23?true scam:flags.24?true apply_min_photo:flags.25?true fake:flags.26?true bot_attach_menu:flags.27?true id:long access_hash:flags.0?long first_name:flags.1?string last_name:flags.2?string username:flags.3?string phone:flags.4?string photo:flags.5?UserProfilePhoto status:flags.6?UserStatus bot_info_version:flags.14?int restriction_reason:flags.18?Vector<RestrictionReason> bot_inline_placeholder:flags.19?string lang_code:flags.22?string = User;
 
 userProfilePhotoEmpty#4f11bae1 = UserProfilePhoto;
 
@@ -184,7 +184,7 @@ userStatusLastMonth#77ebc742 = UserStatus;
 
 chatEmpty#29562865 id:long = Chat;
 
-chat#41cbf256 flags:# creator:flags.0?true kicked:flags.1?true left:flags.2?true deactivated:flags.5?true call_active:flags.23?true call_not_empty:flags.24?true noforwards:flags.25?true id:long title:string photo:ChatPhoto participants_count:int date:int version:int migrated_to:flags.6?InputChannel admin_rights:flags.14?ChatAdminRights default_banned_rights:flags.18?ChatBannedRights = Chat;
+chat#41cbf256 flags:# creator:flags.0?true left:flags.2?true deactivated:flags.5?true call_active:flags.23?true call_not_empty:flags.24?true noforwards:flags.25?true id:long title:string photo:ChatPhoto participants_count:int date:int version:int migrated_to:flags.6?InputChannel admin_rights:flags.14?ChatAdminRights default_banned_rights:flags.18?ChatBannedRights = Chat;
 
 chatForbidden#6592a1a7 id:long title:string = Chat;
 
@@ -194,7 +194,7 @@ channelForbidden#17d493d5 flags:# broadcast:flags.5?true megagroup:flags.8?true
 
 chatFull#d18ee226 flags:# can_set_username:flags.7?true has_scheduled:flags.8?true id:long about:string participants:ChatParticipants chat_photo:flags.2?Photo notify_settings:PeerNotifySettings exported_invite:flags.13?ExportedChatInvite bot_info:flags.3?Vector<BotInfo> pinned_msg_id:flags.6?int folder_id:flags.11?int call:flags.12?InputGroupCall ttl_period:flags.14?int groupcall_default_join_as:flags.15?Peer theme_emoticon:flags.16?string requests_pending:flags.17?int recent_requesters:flags.17?Vector<long> available_reactions:flags.18?Vector<string> = ChatFull;
 
-channelFull#e13c3d20 flags:# can_view_participants:flags.3?true can_set_username:flags.6?true can_set_stickers:flags.7?true hidden_prehistory:flags.10?true can_set_location:flags.16?true has_scheduled:flags.19?true can_view_stats:flags.20?true blocked:flags.22?true id:long about:string participants_count:flags.0?int admins_count:flags.1?int kicked_count:flags.2?int banned_count:flags.2?int online_count:flags.13?int read_inbox_max_id:int read_outbox_max_id:int unread_count:int chat_photo:Photo notify_settings:PeerNotifySettings exported_invite:flags.23?ExportedChatInvite bot_info:Vector<BotInfo> migrated_from_chat_id:flags.4?long migrated_from_max_id:flags.4?int pinned_msg_id:flags.5?int stickerset:flags.8?StickerSet available_min_id:flags.9?int folder_id:flags.11?int linked_chat_id:flags.14?long location:flags.15?ChannelLocation slowmode_seconds:flags.17?int slowmode_next_send_date:flags.18?int stats_dc:flags.12?int pts:int call:flags.21?InputGroupCall ttl_period:flags.24?int pending_suggestions:flags.25?Vector<string> groupcall_default_join_as:flags.26?Peer theme_emoticon:flags.27?string requests_pending:flags.28?int recent_requesters:flags.28?Vector<long> default_send_as:flags.29?Peer available_reactions:flags.30?Vector<string> = ChatFull;
+channelFull#ea68a619 flags:# can_view_participants:flags.3?true can_set_username:flags.6?true can_set_stickers:flags.7?true hidden_prehistory:flags.10?true can_set_location:flags.16?true has_scheduled:flags.19?true can_view_stats:flags.20?true blocked:flags.22?true flags2:# can_delete_channel:flags2.0?true id:long about:string participants_count:flags.0?int admins_count:flags.1?int kicked_count:flags.2?int banned_count:flags.2?int online_count:flags.13?int read_inbox_max_id:int read_outbox_max_id:int unread_count:int chat_photo:Photo notify_settings:PeerNotifySettings exported_invite:flags.23?ExportedChatInvite bot_info:Vector<BotInfo> migrated_from_chat_id:flags.4?long migrated_from_max_id:flags.4?int pinned_msg_id:flags.5?int stickerset:flags.8?StickerSet available_min_id:flags.9?int folder_id:flags.11?int linked_chat_id:flags.14?long location:flags.15?ChannelLocation slowmode_seconds:flags.17?int slowmode_next_send_date:flags.18?int stats_dc:flags.12?int pts:int call:flags.21?InputGroupCall ttl_period:flags.24?int pending_suggestions:flags.25?Vector<string> groupcall_default_join_as:flags.26?Peer theme_emoticon:flags.27?string requests_pending:flags.28?int recent_requesters:flags.28?Vector<long> default_send_as:flags.29?Peer available_reactions:flags.30?Vector<string> = ChatFull;
 
 chatParticipant#c02d4007 user_id:long inviter_id:long date:int = ChatParticipant;
 
@@ -302,6 +302,10 @@ messageActionSetChatTheme#aa786345 emoticon:string = MessageAction;
 
 messageActionChatJoinedByRequest#ebbca3cb = MessageAction;
 
+messageActionWebViewDataSentMe#47dd8079 text:string data:string = MessageAction;
+
+messageActionWebViewDataSent#b4c38cb5 text:string = MessageAction;
+
 dialog#a8edd0f5 flags:# pinned:flags.2?true unread_mark:flags.3?true peer:Peer top_message:int read_inbox_max_id:int read_outbox_max_id:int unread_count:int unread_mentions_count:int unread_reactions_count:int notify_settings:PeerNotifySettings pts:flags.0?int draft:flags.1?DraftMessage folder_id:flags.4?int = Dialog;
 
 dialogFolder#71bd134c flags:# pinned:flags.2?true folder:Folder peer:Peer top_message:int unread_muted_peers_count:int unread_unmuted_peers_count:int unread_muted_messages_count:int unread_unmuted_messages_count:int = Dialog;
@@ -342,9 +346,9 @@ inputNotifyChats#4a95e84e = InputNotifyPeer;
 
 inputNotifyBroadcasts#b1db7c7e = InputNotifyPeer;
 
-inputPeerNotifySettings#9c3d198e flags:# show_previews:flags.0?Bool silent:flags.1?Bool mute_until:flags.2?int sound:flags.3?string = InputPeerNotifySettings;
+inputPeerNotifySettings#df1f002b flags:# show_previews:flags.0?Bool silent:flags.1?Bool mute_until:flags.2?int sound:flags.3?NotificationSound = InputPeerNotifySettings;
 
-peerNotifySettings#af509d20 flags:# show_previews:flags.0?Bool silent:flags.1?Bool mute_until:flags.2?int sound:flags.3?string = PeerNotifySettings;
+peerNotifySettings#a83b0426 flags:# show_previews:flags.0?Bool silent:flags.1?Bool mute_until:flags.2?int ios_sound:flags.3?NotificationSound android_sound:flags.4?NotificationSound other_sound:flags.5?NotificationSound = PeerNotifySettings;
 
 peerSettings#a518110d flags:# report_spam:flags.0?true add_contact:flags.1?true block_contact:flags.2?true share_contact:flags.3?true need_contacts_exception:flags.4?true report_geo:flags.5?true autoarchived:flags.7?true invite_members:flags.8?true request_chat_broadcast:flags.10?true geo_distance:flags.6?int request_chat_title:flags.9?string request_chat_date:flags.9?int = PeerSettings;
 
@@ -372,7 +376,7 @@ inputReportReasonIllegalDrugs#a8eb2be = ReportReason;
 
 inputReportReasonPersonalDetails#9ec7863d = ReportReason;
 
-userFull#cf366521 flags:# blocked:flags.0?true phone_calls_available:flags.4?true phone_calls_private:flags.5?true can_pin_message:flags.7?true has_scheduled:flags.12?true video_calls_available:flags.13?true id:long about:flags.1?string settings:PeerSettings profile_photo:flags.2?Photo notify_settings:PeerNotifySettings bot_info:flags.3?BotInfo pinned_msg_id:flags.6?int common_chats_count:int folder_id:flags.11?int ttl_period:flags.14?int theme_emoticon:flags.15?string private_forward_name:flags.16?string = UserFull;
+userFull#8c72ea81 flags:# blocked:flags.0?true phone_calls_available:flags.4?true phone_calls_private:flags.5?true can_pin_message:flags.7?true has_scheduled:flags.12?true video_calls_available:flags.13?true id:long about:flags.1?string settings:PeerSettings profile_photo:flags.2?Photo notify_settings:PeerNotifySettings bot_info:flags.3?BotInfo pinned_msg_id:flags.6?int common_chats_count:int folder_id:flags.11?int ttl_period:flags.14?int theme_emoticon:flags.15?string private_forward_name:flags.16?string bot_group_admin_rights:flags.17?ChatAdminRights bot_broadcast_admin_rights:flags.18?ChatAdminRights = UserFull;
 
 contact#145ade0b user_id:long mutual:Bool = Contact;
 
@@ -638,6 +642,14 @@ updateBotChatInviteRequester#11dfa986 peer:Peer date:int user_id:long about:stri
 
 updateMessageReactions#154798c3 peer:Peer msg_id:int reactions:MessageReactions = Update;
 
+updateAttachMenuBots#17b7a20b = Update;
+
+updateWebViewResultSent#1592b79d query_id:long = Update;
+
+updateBotMenuButton#14b85813 bot_id:long button:BotMenuButton = Update;
+
+updateSavedRingtones#74d8be99 = Update;
+
 updates.state#a56c2a3e pts:int qts:int date:int seq:int unread_count:int = updates.State;
 
 updates.differenceEmpty#5d75a138 date:int seq:int = updates.Difference;
@@ -920,7 +932,7 @@ messages.stickerSetNotModified#d3f924eb = messages.StickerSet;
 
 botCommand#c27ac8c7 command:string description:string = BotCommand;
 
-botInfo#1b74b335 user_id:long description:string commands:Vector<BotCommand> = BotInfo;
+botInfo#e4169b5d user_id:long description:string commands:Vector<BotCommand> menu_button:BotMenuButton = BotInfo;
 
 keyboardButton#a2fa4880 text:string = KeyboardButton;
 
@@ -948,6 +960,10 @@ inputKeyboardButtonUserProfile#e988037b text:string user_id:InputUser = Keyboard
 
 keyboardButtonUserProfile#308660c1 text:string user_id:long = KeyboardButton;
 
+keyboardButtonWebView#13767230 text:string url:string = KeyboardButton;
+
+keyboardButtonSimpleWebView#a0c0505c text:string url:string = KeyboardButton;
+
 keyboardButtonRow#77608b83 buttons:Vector<KeyboardButton> = KeyboardButtonRow;
 
 replyKeyboardHide#a03e5b85 flags:# selective:flags.2?true = ReplyMarkup;
@@ -1950,6 +1966,46 @@ phone.groupCallStreamChannels#d0e482b2 channels:Vector<GroupCallStreamChannel> =
 
 phone.groupCallStreamRtmpUrl#2dbf3432 url:string key:string = phone.GroupCallStreamRtmpUrl;
 
+attachMenuBotIconColor#4576f3f0 name:string color:int = AttachMenuBotIconColor;
+
+attachMenuBotIcon#b2a7386b flags:# name:string icon:Document colors:flags.0?Vector<AttachMenuBotIconColor> = AttachMenuBotIcon;
+
+attachMenuBot#e93cb772 flags:# inactive:flags.0?true bot_id:long short_name:string icons:Vector<AttachMenuBotIcon> = AttachMenuBot;
+
+attachMenuBotsNotModified#f1d88a5c = AttachMenuBots;
+
+attachMenuBots#3c4301c0 hash:long bots:Vector<AttachMenuBot> users:Vector<User> = AttachMenuBots;
+
+attachMenuBotsBot#93bf667f bot:AttachMenuBot users:Vector<User> = AttachMenuBotsBot;
+
+webViewResultUrl#c14557c query_id:long url:string = WebViewResult;
+
+simpleWebViewResultUrl#882f76bb url:string = SimpleWebViewResult;
+
+webViewMessageSent#c94511c flags:# msg_id:flags.0?InputBotInlineMessageID = WebViewMessageSent;
+
+botMenuButtonDefault#7533a588 = BotMenuButton;
+
+botMenuButtonCommands#4258c205 = BotMenuButton;
+
+botMenuButton#c7b57ce6 text:string url:string = BotMenuButton;
+
+account.savedRingtonesNotModified#fbf6e8b1 = account.SavedRingtones;
+
+account.savedRingtones#c1e92cc5 hash:long ringtones:Vector<Document> = account.SavedRingtones;
+
+notificationSoundDefault#97e8bebe = NotificationSound;
+
+notificationSoundNone#6f0c34df = NotificationSound;
+
+notificationSoundLocal#830b9ae4 title:string data:string = NotificationSound;
+
+notificationSoundRingtone#ff6c8049 id:long = NotificationSound;
+
+account.savedRingtone#b7263f6d = account.SavedRingtone;
+
+account.savedRingtoneConverted#1f307eb7 document:Document = account.SavedRingtone;
+
 
 ---functions---
 
@@ -2151,6 +2207,12 @@ account.setAuthorizationTTL#bf899aa0 authorization_ttl_days:int = Bool;
 
 account.changeAuthorizationSettings#40f48462 flags:# hash:long encrypted_requests_disabled:flags.0?Bool call_requests_disabled:flags.1?Bool = Bool;
 
+account.getSavedRingtones#e1902288 hash:long = account.SavedRingtones;
+
+account.saveRingtone#3dea5b03 id:InputDocument unsave:Bool = account.SavedRingtone;
+
+account.uploadRingtone#831a83a2 file:InputFile file_name:string mime_type:string = Document;
+
 users.getUsers#d91a548 id:Vector<InputUser> = Vector<User>;
 
 users.getFullUser#b60f5918 id:InputUser = users.UserFull;
@@ -2517,6 +2579,22 @@ messages.readReactions#82e251d7 peer:InputPeer = messages.AffectedHistory;
 
 messages.searchSentMedia#107e31a0 q:string filter:MessagesFilter limit:int = messages.Messages;
 
+messages.getAttachMenuBots#16fcc2cb hash:long = AttachMenuBots;
+
+messages.getAttachMenuBot#77216192 bot:InputUser = AttachMenuBotsBot;
+
+messages.toggleBotInAttachMenu#1aee33af bot:InputUser enabled:Bool = Bool;
+
+messages.requestWebView#fa04dff flags:# from_bot_menu:flags.4?true silent:flags.5?true peer:InputPeer bot:InputUser url:flags.1?string start_param:flags.3?string theme_params:flags.2?DataJSON reply_to_msg_id:flags.0?int = WebViewResult;
+
+messages.prolongWebView#d22ad148 flags:# silent:flags.5?true peer:InputPeer bot:InputUser query_id:long reply_to_msg_id:flags.0?int = Bool;
+
+messages.requestSimpleWebView#6abb2f73 flags:# bot:InputUser url:string theme_params:flags.0?DataJSON = SimpleWebViewResult;
+
+messages.sendWebViewResultMessage#a4314f5 bot_query_id:string result:InputBotInlineResult = WebViewMessageSent;
+
+messages.sendWebViewData#dc0242c8 bot:InputUser random_id:long button_text:string data:string = Updates;
+
 updates.getState#edd4882a = updates.State;
 
 updates.getDifference#25939651 flags:# pts:int pts_total_limit:flags.0?int date:int qts:int = updates.Difference;
@@ -2641,7 +2719,7 @@ channels.setStickers#ea8ca4f9 channel:InputChannel stickerset:InputStickerSet =
 
 channels.readMessageContents#eab5dc38 channel:InputChannel id:Vector<int> = Bool;
 
-channels.deleteHistory#af369d42 channel:InputChannel max_id:int = Bool;
+channels.deleteHistory#9baa9647 flags:# for_everyone:flags.0?true channel:InputChannel max_id:int = Updates;
 
 channels.togglePreHistoryHidden#eabbb94c channel:InputChannel enabled:Bool = Updates;
 
@@ -2679,6 +2757,14 @@ bots.resetBotCommands#3d8de0f9 scope:BotCommandScope lang_code:string = Bool;
 
 bots.getBotCommands#e34c0dd6 scope:BotCommandScope lang_code:string = Vector<BotCommand>;
 
+bots.setBotMenuButton#4504d54f user_id:InputUser button:BotMenuButton = Bool;
+
+bots.getBotMenuButton#9c60eb28 user_id:InputUser = BotMenuButton;
+
+bots.setBotBroadcastDefaultAdminRights#788464e1 admin_rights:ChatAdminRights = Bool;
+
+bots.setBotGroupDefaultAdminRights#925ec9ea admin_rights:ChatAdminRights = Bool;
+
 payments.getPaymentForm#8a333c8d flags:# peer:InputPeer msg_id:int theme_params:flags.0?DataJSON = payments.PaymentForm;
 
 payments.getPaymentReceipt#2478d1cc peer:InputPeer msg_id:int = payments.PaymentReceipt;
@@ -2791,4 +2877,4 @@ stats.getMessagePublicForwards#5630281b channel:InputChannel msg_id:int offset_r
 
 stats.getMessageStats#b6e0a3f5 flags:# dark:flags.0?true channel:InputChannel msg_id:int = stats.MessageStats;
 
-// LAYER 139
+// LAYER 140