diff --git a/cabal.project b/cabal.project
index ec29f320d7..ee3fab10bd 100644
--- a/cabal.project
+++ b/cabal.project
@@ -12,7 +12,7 @@ constraints: zip +disable-bzip2 +disable-zstd
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/simplexmq.git
-    tag: bf289023273f2b94f8649b4c641e1cc9996b8a4b
+    tag: 184a95cd2a2806fb3d318508ca1f6528201a8114
 
 source-repository-package
     type: git
diff --git a/package.yaml b/package.yaml
index 57e67c3329..0a68ec30d7 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: simplex-chat
-version: 6.2.2.0
+version: 6.3.0.0
 #synopsis:
 #description:
 homepage: https://github.com/simplex-chat/simplex-chat#readme
diff --git a/scripts/flatpak/chat.simplex.simplex.metainfo.xml b/scripts/flatpak/chat.simplex.simplex.metainfo.xml
index 182976d030..5ed491f6ab 100644
--- a/scripts/flatpak/chat.simplex.simplex.metainfo.xml
+++ b/scripts/flatpak/chat.simplex.simplex.metainfo.xml
@@ -38,6 +38,25 @@
   </description>
 
   <releases>
+    <release version="6.2.3" date="2024-12-26">
+      <url type="details">https://simplex.chat/blog/20241210-simplex-network-v6-2-servers-by-flux-business-chats.html</url>
+      <description>
+        <p>New in v6.2.1-3:</p>
+        <ul>
+          <li>important fixes</li>
+          <li>offer to "fix" encryption when calling or making direct connection with member.</li>
+          <li>broken layout.</li>
+          <li>option to enable debug logs (disabled by default).</li>
+          <li>show who reacted in direct chats.</li>
+        </ul>
+        <p>New in v6.2:</p>
+        <ul>
+          <li>SimpleX Chat and Flux made an agreement to include servers operated by Flux into the app – to improve metadata privacy.</li>
+          <li>Business chats – your customers privacy.</li>
+          <li>Improved user experience in chats: open on the first unread, jump to quoted messages, see who reacted.</li>
+        </ul>
+      </description>
+    </release>
     <release version="6.2.2" date="2024-12-25">
       <url type="details">https://simplex.chat/blog/20241210-simplex-network-v6-2-servers-by-flux-business-chats.html</url>
       <description>
diff --git a/scripts/nix/sha256map.nix b/scripts/nix/sha256map.nix
index d1d3071b63..b68a60ec9b 100644
--- a/scripts/nix/sha256map.nix
+++ b/scripts/nix/sha256map.nix
@@ -1,5 +1,5 @@
 {
-  "https://github.com/simplex-chat/simplexmq.git"."bf289023273f2b94f8649b4c641e1cc9996b8a4b" = "1qcyh8n3mws2vbnjw44ih2ji6s9p1dy5rmhs49zf3ia7llnsqzdl";
+  "https://github.com/simplex-chat/simplexmq.git"."184a95cd2a2806fb3d318508ca1f6528201a8114" = "0zlxi2dfv86sph9ndnazlvqgy0kq5rd1j6pjh41pswhaz8diwcag";
   "https://github.com/simplex-chat/hs-socks.git"."a30cc7a79a08d8108316094f8f2f82a0c5e1ac51" = "0yasvnr7g91k76mjkamvzab2kvlb1g5pspjyjn2fr6v83swjhj38";
   "https://github.com/simplex-chat/direct-sqlcipher.git"."f814ee68b16a9447fbb467ccc8f29bdd3546bfd9" = "1ql13f4kfwkbaq7nygkxgw84213i0zm7c1a8hwvramayxl38dq5d";
   "https://github.com/simplex-chat/sqlcipher-simple.git"."a46bd361a19376c5211f1058908fc0ae6bf42446" = "1z0r78d8f0812kxbgsm735qf6xx8lvaz27k1a0b4a2m0sshpd5gl";
diff --git a/simplex-chat.cabal b/simplex-chat.cabal
index feabf61bc8..eec13dcd85 100644
--- a/simplex-chat.cabal
+++ b/simplex-chat.cabal
@@ -5,7 +5,7 @@ cabal-version: 1.12
 -- see: https://github.com/sol/hpack
 
 name:           simplex-chat
-version:        6.2.2.0
+version:        6.3.0.0
 category:       Web, System, Services, Cryptography
 homepage:       https://github.com/simplex-chat/simplex-chat#readme
 author:         simplex.chat
diff --git a/src/Simplex/Chat.hs b/src/Simplex/Chat.hs
index 69bdddd220..8d5e1fea8d 100644
--- a/src/Simplex/Chat.hs
+++ b/src/Simplex/Chat.hs
@@ -36,11 +36,7 @@ import Simplex.Chat.Protocol
 import Simplex.Chat.Store
 import Simplex.Chat.Store.Profiles
 import Simplex.Chat.Types
-import Simplex.Chat.Types.Preferences
-import Simplex.Chat.Types.Shared
 import Simplex.Chat.Util (encryptFile, liftIOEither, shuffle)
-import qualified Simplex.Chat.Util as U
-import Simplex.FileTransfer.Description (maxFileSize, maxFileSizeHard)
 import Simplex.FileTransfer.Client.Presets (defaultXFTPServers)
 import Simplex.Messaging.Agent as Agent
 import Simplex.Messaging.Agent.Env.SQLite (AgentConfig (..), InitialAgentServers (..), ServerCfg (..), ServerRoles (..), allRoles, createAgentStore, defaultAgentConfig, presetServerCfg)
diff --git a/src/Simplex/Chat/Remote.hs b/src/Simplex/Chat/Remote.hs
index cfc4fe2fa0..8c7a0bc552 100644
--- a/src/Simplex/Chat/Remote.hs
+++ b/src/Simplex/Chat/Remote.hs
@@ -73,11 +73,11 @@ import UnliftIO.Directory (copyFile, createDirectoryIfMissing, doesDirectoryExis
 
 -- when acting as host
 minRemoteCtrlVersion :: AppVersion
-minRemoteCtrlVersion = AppVersion [6, 2, 0, 7]
+minRemoteCtrlVersion = AppVersion [6, 3, 0, 0]
 
 -- when acting as controller
 minRemoteHostVersion :: AppVersion
-minRemoteHostVersion = AppVersion [6, 2, 0, 7]
+minRemoteHostVersion = AppVersion [6, 3, 0, 0]
 
 currentAppVersion :: AppVersion
 currentAppVersion = AppVersion SC.version