diff --git a/td/generate/scheme/telegram_api.tl b/td/generate/scheme/telegram_api.tl
index 62aad71e..55f30969 100644
--- a/td/generate/scheme/telegram_api.tl
+++ b/td/generate/scheme/telegram_api.tl
@@ -109,7 +109,7 @@ chatForbidden#7328bdb id:int title:string = Chat;
 channel#c88974ac flags:# creator:flags.0?true left:flags.2?true editor:flags.3?true broadcast:flags.5?true verified:flags.7?true megagroup:flags.8?true restricted:flags.9?true democracy:flags.10?true signatures:flags.11?true min:flags.12?true id:int access_hash:flags.13?long title:string username:flags.6?string photo:ChatPhoto date:int version:int restriction_reason:flags.9?string admin_rights:flags.14?ChannelAdminRights banned_rights:flags.15?ChannelBannedRights participants_count:flags.17?int = Chat;
 channelForbidden#289da732 flags:# broadcast:flags.5?true megagroup:flags.8?true id:int access_hash:long title:string until_date:flags.16?int = Chat;
 
-chatFull#2e02a614 id:int participants:ChatParticipants chat_photo:Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:Vector<BotInfo> = ChatFull;
+chatFull#edd2a791 flags:# id:int participants:ChatParticipants chat_photo:flags.2?Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:flags.3?Vector<BotInfo> pinned_msg_id:flags.6?int = ChatFull;
 channelFull#76af5481 flags:# can_view_participants:flags.3?true can_set_username:flags.6?true can_set_stickers:flags.7?true hidden_prehistory:flags.10?true id:int about:string participants_count:flags.0?int admins_count:flags.1?int kicked_count:flags.2?int banned_count:flags.2?int read_inbox_max_id:int read_outbox_max_id:int unread_count:int chat_photo:Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:Vector<BotInfo> migrated_from_chat_id:flags.4?int migrated_from_max_id:flags.4?int pinned_msg_id:flags.5?int stickerset:flags.8?StickerSet available_min_id:flags.9?int = ChatFull;
 
 chatParticipant#c8d7493e user_id:int inviter_id:int date:int = ChatParticipant;
@@ -184,6 +184,7 @@ auth.exportedAuthorization#df969c2d id:int bytes:bytes = auth.ExportedAuthorizat
 inputNotifyPeer#b8bc5b0c peer:InputPeer = InputNotifyPeer;
 inputNotifyUsers#193b4417 = InputNotifyPeer;
 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;
 
@@ -201,7 +202,7 @@ inputReportReasonChildAbuse#adf44ee3 = ReportReason;
 inputReportReasonOther#e1746d0a text:string = ReportReason;
 inputReportReasonCopyright#9b89f93a = ReportReason;
 
-userFull#f220f3f flags:# blocked:flags.0?true phone_calls_available:flags.4?true phone_calls_private:flags.5?true user:User about:flags.1?string link:contacts.Link profile_photo:flags.2?Photo notify_settings:PeerNotifySettings bot_info:flags.3?BotInfo common_chats_count:int = UserFull;
+userFull#8ea4a881 flags:# blocked:flags.0?true phone_calls_available:flags.4?true phone_calls_private:flags.5?true can_pin_message:flags.7?true user:User about:flags.1?string link:contacts.Link profile_photo:flags.2?Photo notify_settings:PeerNotifySettings bot_info:flags.3?BotInfo pinned_msg_id:flags.6?int common_chats_count:int = UserFull;
 
 contact#f911c994 user_id:int mutual:Bool = Contact;
 
@@ -314,13 +315,15 @@ updateBotWebhookJSONQuery#9b9240a6 query_id:long data:DataJSON timeout:int = Upd
 updateBotShippingQuery#e0cdc940 query_id:long user_id:int payload:bytes shipping_address:PostAddress = Update;
 updateBotPrecheckoutQuery#5d2f3aa9 flags:# query_id:long user_id:int payload:bytes info:flags.0?PaymentRequestedInfo shipping_option_id:flags.1?string currency:string total_amount:long = Update;
 updatePhoneCall#ab0f6b1e phone_call:PhoneCall = Update;
-updateLangPackTooLong#10c2404b = Update;
+updateLangPackTooLong#46560264 lang_code:string = Update;
 updateLangPack#56022f4d difference:LangPackDifference = Update;
 updateFavedStickers#e511996d = Update;
 updateChannelReadMessagesContents#89893b45 channel_id:int messages:Vector<int> = Update;
 updateContactsReset#7084a7be = Update;
 updateChannelAvailableMessages#70db6837 channel_id:int available_min_id:int = Update;
 updateDialogUnreadMark#e16459c3 flags:# unread:flags.0?true peer:DialogPeer = Update;
+updateUserPinnedMessage#4c43da18 user_id:int id:int = Update;
+updateChatPinnedMessage#22893b26 chat_id:int id:int = Update;
 
 updates.state#a56c2a3e pts:int qts:int date:int seq:int unread_count:int = updates.State;
 
@@ -347,7 +350,7 @@ upload.fileCdnRedirect#f18cda44 dc_id:int file_token:bytes encryption_key:bytes
 
 dcOption#18b7a10d flags:# ipv6:flags.0?true media_only:flags.1?true tcpo_only:flags.2?true cdn:flags.3?true static:flags.4?true id:int ip_address:string port:int secret:flags.10?bytes = DcOption;
 
-config#3213dbba flags:# phonecalls_enabled:flags.1?true default_p2p_contacts:flags.3?true preload_featured_stickers:flags.4?true ignore_phone_entities:flags.5?true revoke_pm_inbox:flags.6?true blocked_mode:flags.8?true date:int expires:int test_mode:Bool this_dc:int dc_options:Vector<DcOption> dc_txt_domain_name:string chat_size_max:int megagroup_size_max:int forwarded_count_max:int online_update_period_ms:int offline_blur_timeout_ms:int offline_idle_timeout_ms:int online_cloud_timeout_ms:int notify_cloud_delay_ms:int notify_default_delay_ms:int push_chat_period_ms:int push_chat_limit:int saved_gifs_limit:int edit_time_limit:int revoke_time_limit:int revoke_pm_time_limit:int rating_e_decay:int stickers_recent_limit:int stickers_faved_limit:int channels_read_media_period:int tmp_sessions:flags.0?int pinned_dialogs_count_max:int call_receive_timeout_ms:int call_ring_timeout_ms:int call_connect_timeout_ms:int call_packet_timeout_ms:int me_url_prefix:string autoupdate_url_prefix:flags.7?string gif_search_username:flags.9?string venue_search_username:flags.10?string img_search_username:flags.11?string static_maps_provider:flags.12?string caption_length_max:int message_length_max:int webfile_dc_id:int suggested_lang_code:flags.2?string lang_pack_version:flags.2?int = Config;
+config#e6ca25f6 flags:# phonecalls_enabled:flags.1?true default_p2p_contacts:flags.3?true preload_featured_stickers:flags.4?true ignore_phone_entities:flags.5?true revoke_pm_inbox:flags.6?true blocked_mode:flags.8?true pfs_enabled:flags.13?true date:int expires:int test_mode:Bool this_dc:int dc_options:Vector<DcOption> dc_txt_domain_name:string chat_size_max:int megagroup_size_max:int forwarded_count_max:int online_update_period_ms:int offline_blur_timeout_ms:int offline_idle_timeout_ms:int online_cloud_timeout_ms:int notify_cloud_delay_ms:int notify_default_delay_ms:int push_chat_period_ms:int push_chat_limit:int saved_gifs_limit:int edit_time_limit:int revoke_time_limit:int revoke_pm_time_limit:int rating_e_decay:int stickers_recent_limit:int stickers_faved_limit:int channels_read_media_period:int tmp_sessions:flags.0?int pinned_dialogs_count_max:int call_receive_timeout_ms:int call_ring_timeout_ms:int call_connect_timeout_ms:int call_packet_timeout_ms:int me_url_prefix:string autoupdate_url_prefix:flags.7?string gif_search_username:flags.9?string venue_search_username:flags.10?string img_search_username:flags.11?string static_maps_provider:flags.12?string caption_length_max:int message_length_max:int webfile_dc_id:int suggested_lang_code:flags.2?string lang_pack_version:flags.2?int base_lang_pack_version:flags.2?int = Config;
 
 nearestDc#8e1a1775 country:string this_dc:int nearest_dc:int = NearestDc;
 
@@ -392,6 +395,7 @@ help.support#17c6b5f6 phone_number:string user:User = help.Support;
 notifyPeer#9fd40bd8 peer:Peer = NotifyPeer;
 notifyUsers#b4c83b4c = NotifyPeer;
 notifyChats#c007cec3 = NotifyPeer;
+notifyBroadcasts#d612e8ef = NotifyPeer;
 
 sendMessageTypingAction#16bf744e = SendMessageAction;
 sendMessageCancelAction#fd5ec8f5 = SendMessageAction;
@@ -778,7 +782,7 @@ langPackStringDeleted#2979eeb2 key:string = LangPackString;
 
 langPackDifference#f385c1f6 lang_code:string from_version:int version:int strings:Vector<LangPackString> = LangPackDifference;
 
-langPackLanguage#117698f1 name:string native_name:string lang_code:string = LangPackLanguage;
+langPackLanguage#651b98d flags:# official:flags.0?true rtl:flags.2?true beta:flags.3?true name:string native_name:string lang_code:string base_lang_code:flags.1?string plural_code:string strings_count:int translated_count:int = LangPackLanguage;
 
 channelAdminRights#5d7ceba5 flags:# change_info:flags.0?true post_messages:flags.1?true edit_messages:flags.2?true delete_messages:flags.3?true ban_users:flags.4?true invite_users:flags.5?true invite_link:flags.6?true pin_messages:flags.7?true add_admins:flags.9?true = ChannelAdminRights;
 
@@ -1121,6 +1125,7 @@ messages.getSplitRanges#1cff7e08 = Vector<MessageRange>;
 messages.markDialogUnread#c286d98f flags:# unread:flags.0?true peer:InputDialogPeer = Bool;
 messages.getDialogUnreadMarks#22e24e22 = Vector<DialogPeer>;
 messages.clearAllDrafts#7e58ee9c = Bool;
+messages.updatePinnedMessage#d2aaf7ec flags:# silent:flags.0?true peer:InputPeer id:int = Updates;
 
 updates.getState#edd4882a = updates.State;
 updates.getDifference#25939651 flags:# pts:int pts_total_limit:flags.0?int date:int qts:int = updates.Difference;
@@ -1217,5 +1222,6 @@ phone.saveCallDebug#277add7e peer:InputPhoneCall debug:DataJSON = Bool;
 
 langpack.getLangPack#f2f2330a lang_pack:string lang_code:string = LangPackDifference;
 langpack.getStrings#efea3803 lang_pack:string lang_code:string keys:Vector<string> = Vector<LangPackString>;
-langpack.getDifference#b2e4d7d from_version:int = LangPackDifference;
+langpack.getDifference#9d51e814 lang_code:string from_version:int = LangPackDifference;
 langpack.getLanguages#42c6978f lang_pack:string = Vector<LangPackLanguage>;
+langpack.getLanguage#6a596502 lang_pack:string lang_code:string = LangPackLanguage;
diff --git a/td/generate/scheme/telegram_api.tlo b/td/generate/scheme/telegram_api.tlo
index 8e28ba45..9dfe22f6 100644
Binary files a/td/generate/scheme/telegram_api.tlo and b/td/generate/scheme/telegram_api.tlo differ
diff --git a/td/telegram/LanguagePackManager.cpp b/td/telegram/LanguagePackManager.cpp
index 1479cbcf..5619a2d6 100644
--- a/td/telegram/LanguagePackManager.cpp
+++ b/td/telegram/LanguagePackManager.cpp
@@ -266,9 +266,10 @@ void LanguagePackManager::on_language_pack_version_changed(int32 new_version) {
                      std::move(language_code), result->version_, true, vector<string>(), std::move(result->strings_),
                      Promise<td_api::object_ptr<td_api::languagePackStrings>>());
       });
-  send_with_promise(G()->net_query_creator().create(create_storer(telegram_api::langpack_getDifference(version)),
-                                                    DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off),
-                    std::move(request_promise));
+  send_with_promise(
+      G()->net_query_creator().create(create_storer(telegram_api::langpack_getDifference(language_code_, version)),
+                                      DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off),
+      std::move(request_promise));
 }
 
 void LanguagePackManager::on_update_language_pack(tl_object_ptr<telegram_api::langPackDifference> difference) {
diff --git a/td/telegram/UpdatesManager.cpp b/td/telegram/UpdatesManager.cpp
index c2a910ae..a8712c53 100644
--- a/td/telegram/UpdatesManager.cpp
+++ b/td/telegram/UpdatesManager.cpp
@@ -1854,4 +1854,10 @@ void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateLangPack> updat
 
 // unsupported updates
 
+void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateUserPinnedMessage> update, bool /*force_apply*/) {
+}
+
+void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateChatPinnedMessage> update, bool /*force_apply*/) {
+}
+
 }  // namespace td
diff --git a/td/telegram/UpdatesManager.h b/td/telegram/UpdatesManager.h
index ba2d95cd..cb834434 100644
--- a/td/telegram/UpdatesManager.h
+++ b/td/telegram/UpdatesManager.h
@@ -274,6 +274,9 @@ class UpdatesManager : public Actor {
   void on_update(tl_object_ptr<telegram_api::updateLangPack> update, bool /*force_apply*/);
 
   // unsupported updates
+
+  void on_update(tl_object_ptr<telegram_api::updateUserPinnedMessage> update, bool /*force_apply*/);
+  void on_update(tl_object_ptr<telegram_api::updateChatPinnedMessage> update, bool /*force_apply*/);
 };
 
 }  // namespace td