diff --git a/Telegram/Resources/uwp/AppX/AppxManifest.xml b/Telegram/Resources/uwp/AppX/AppxManifest.xml
index f3194e84f..3b0511e51 100644
--- a/Telegram/Resources/uwp/AppX/AppxManifest.xml
+++ b/Telegram/Resources/uwp/AppX/AppxManifest.xml
@@ -9,7 +9,7 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="2.9.12.1" />
+    Version="2.9.13.0" />
   <Properties>
     <DisplayName>Telegram Desktop</DisplayName>
     <PublisherDisplayName>Telegram Messenger LLP</PublisherDisplayName>
diff --git a/Telegram/Resources/winrc/Telegram.rc b/Telegram/Resources/winrc/Telegram.rc
index af60dcbbd..47cd9096c 100644
--- a/Telegram/Resources/winrc/Telegram.rc
+++ b/Telegram/Resources/winrc/Telegram.rc
@@ -44,8 +44,8 @@ IDI_ICON1               ICON                    "..\\art\\icon256.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,9,12,1
- PRODUCTVERSION 2,9,12,1
+ FILEVERSION 2,9,13,0
+ PRODUCTVERSION 2,9,13,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -62,10 +62,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "2.9.12.1"
+            VALUE "FileVersion", "2.9.13.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2021"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "2.9.12.1"
+            VALUE "ProductVersion", "2.9.13.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/Resources/winrc/Updater.rc b/Telegram/Resources/winrc/Updater.rc
index 871d8ee5b..18138c5ef 100644
--- a/Telegram/Resources/winrc/Updater.rc
+++ b/Telegram/Resources/winrc/Updater.rc
@@ -35,8 +35,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,9,12,1
- PRODUCTVERSION 2,9,12,1
+ FILEVERSION 2,9,13,0
+ PRODUCTVERSION 2,9,13,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -53,10 +53,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "2.9.12.1"
+            VALUE "FileVersion", "2.9.13.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2021"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "2.9.12.1"
+            VALUE "ProductVersion", "2.9.13.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/Telegram/SourceFiles/core/changelogs.cpp b/Telegram/SourceFiles/core/changelogs.cpp
index 21efcc163..04618706e 100644
--- a/Telegram/SourceFiles/core/changelogs.cpp
+++ b/Telegram/SourceFiles/core/changelogs.cpp
@@ -101,7 +101,12 @@ std::map<int, const char*> BetaLogs() {
 
 		"- Fix animated chat backgrounds in Saved Messages.\n"
 
-		"- Fix \"Sorry, group is inaccessible\" message in scheduled voice chats.\n",
+		"- Fix \"Sorry, group is inaccessible\" message "
+		"in scheduled voice chats.\n",
+	},
+	{
+		2009013,
+		"- See unread comments count when scrolling discussions in channels."
 	},
 	};
 };
diff --git a/Telegram/SourceFiles/core/version.h b/Telegram/SourceFiles/core/version.h
index 514543b76..b26127b2e 100644
--- a/Telegram/SourceFiles/core/version.h
+++ b/Telegram/SourceFiles/core/version.h
@@ -9,7 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "base/const_string.h"
 
-#define TDESKTOP_REQUESTED_ALPHA_VERSION (2009012001ULL)
+#define TDESKTOP_REQUESTED_ALPHA_VERSION (0ULL)
 
 #ifdef TDESKTOP_ALLOW_CLOSED_ALPHA
 #define TDESKTOP_ALPHA_VERSION TDESKTOP_REQUESTED_ALPHA_VERSION
@@ -22,7 +22,7 @@ constexpr auto AppId = "{53F49750-6209-4FBF-9CA8-7A333C87D1ED}"_cs;
 constexpr auto AppNameOld = "Telegram Win (Unofficial)"_cs;
 constexpr auto AppName = "Telegram Desktop"_cs;
 constexpr auto AppFile = "Telegram"_cs;
-constexpr auto AppVersion = 2009012;
-constexpr auto AppVersionStr = "2.9.12";
-constexpr auto AppBetaVersion = false;
+constexpr auto AppVersion = 2009013;
+constexpr auto AppVersionStr = "2.9.13";
+constexpr auto AppBetaVersion = true;
 constexpr auto AppAlphaVersion = TDESKTOP_ALPHA_VERSION;
diff --git a/Telegram/build/version b/Telegram/build/version
index 5405854fe..f08a5aee9 100644
--- a/Telegram/build/version
+++ b/Telegram/build/version
@@ -1,7 +1,7 @@
-AppVersion         2009012
+AppVersion         2009013
 AppVersionStrMajor 2.9
-AppVersionStrSmall 2.9.12
-AppVersionStr      2.9.12
-BetaChannel        0
-AlphaVersion       2009012001
-AppVersionOriginal 2.9.12.1
+AppVersionStrSmall 2.9.13
+AppVersionStr      2.9.13
+BetaChannel        1
+AlphaVersion       0
+AppVersionOriginal 2.9.13.beta
diff --git a/changelog.txt b/changelog.txt
index 2280b89fd..115bcbd2f 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,7 @@
+2.9.13 beta (31.08.21)
+
+- 
+
 2.9.12 beta (24.08.21)
 
 - Disable floating point exceptions in 32 bit Windows version.