diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 08eaade50a..dae31d7279 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-middlewareVersion = "v0.41.0-rc1"
+middlewareVersion = "v0.41.0-rc3mobile"
 kotlinVersion = '2.0.21'
 kspVersion = "2.0.21-1.0.25"
 
diff --git a/protocol/src/main/proto/commands.proto b/protocol/src/main/proto/commands.proto
index 522875cfb6..bc1c7fe82b 100644
--- a/protocol/src/main/proto/commands.proto
+++ b/protocol/src/main/proto/commands.proto
@@ -8297,11 +8297,21 @@ message Rpc {
         }
 
         message SubscribeToMessagePreviews {
-            message Request {}
+            message Request {
+                string subId = 1;
+            }
 
             message Response {
                 Error error = 1;
-                string subId = 2;
+                repeated ChatPreview previews = 2;
+
+                message ChatPreview {
+                    string spaceId = 1;
+                    string chatObjectId = 2;
+                    model.ChatMessage message = 3;
+                    model.ChatState state = 4;
+                    repeated google.protobuf.Struct dependencies = 5;
+                }
 
                 message Error {
                     Code code = 1;
@@ -8318,7 +8328,9 @@ message Rpc {
         }
 
         message UnsubscribeFromMessagePreviews {
-            message Request {}
+            message Request {
+                string subId = 1;
+            }
 
             message Response {
                 Error error = 1;
diff --git a/protocol/src/main/proto/models.proto b/protocol/src/main/proto/models.proto
index 69ab599f08..92874651fb 100644
--- a/protocol/src/main/proto/models.proto
+++ b/protocol/src/main/proto/models.proto
@@ -1367,7 +1367,11 @@ message MembershipTierData {
     // Android platform-specific data:
     string androidProductId = 17;
     string androidManageUrl = 18;
+
+    // "limited offer" or somehing like that
+    string offer = 19;
 }
+
 enum DeviceNetworkType {
     WIFI = 0;
     CELLULAR = 1;