Merge pull request #1055 from GetStream/hotfix/memberRemoved

fix(llc): member removed

packages/stream_chat/CHANGELOG.md

@@ -7,6 +7,7 @@
   any channel.
 - [[#1047]](https://github.com/GetStream/stream-chat-flutter/issues/1047) `own_capabilities` extraData missing after
   channel update.
+- [[#1054]](https://github.com/GetStream/stream-chat-flutter/issues/1054) Fix `Unsupported operation: Cannot remove from an unmodifiable list`.
 
 ✅ Added
 

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

@@ -1586,10 +1586,12 @@ class ChannelClientState {
     _subscriptions.add(_channel.on(EventType.memberRemoved).listen((Event e) {
       final user = e.user;
       updateChannelState(channelState.copyWith(
-        members: List.from(
+        members: channelState.members
-          channelState.members..removeWhere((m) => m.userId == user!.id),
+            .where((m) => m.userId != user!.id)
-        ),
+            .toList(growable: false),
-        read: channelState.read..removeWhere((r) => r.user.id == user!.id),
+        read: channelState.read
+            .where((r) => r.user.id != user!.id)
+            .toList(growable: false),
       ));
     }));
   }