fmt and changelog

packages/stream_chat/CHANGELOG.md

@@ -1,3 +1,9 @@
+## Upcoming
+
+🐞 Fixed
+
+- markAllRead() now updates channel states.
+
 ## 3.1.1
 
 ✅ Added

packages/stream_chat/lib/src/client/client.dart

@@ -1411,10 +1411,9 @@ class ClientState {
     _subscriptions
         .add(_client.on(EventType.notificationMarkRead).listen((event) {
       if (event.cid == null) {
-        channels
+        channels.forEach((key, value) {
-          .forEach((key, value) {
+          value.state?.unreadCount = 0;
-            value.state?.unreadCount = 0;
+        });
-          });
       }
     }));
   }