diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
deleted file mode 100644
index 5e527e3..0000000
--- a/DEVELOPMENT.md
+++ /dev/null
@@ -1,11 +0,0 @@
-## Build instructions
-
-CBuild instructions can be found in [README.md](./README.md#build-it-yourself).
-
-## Updating Gomuks
-
-You can run the following command to update the Gomuks submodule:
-
-```sh
-git submodule update --remote
-```
diff --git a/README.md b/README.md
index 2c44fc8..50060d0 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ A simple and user-friendly Matrix client made with Flutter and a Gomuks backend.
         - [x] HTML/Markdown
         - [x] Replies
             - [x] Choose ping on/off
-        - [x] Per message profiles
+        - [ ] Per message profiles
         - [ ] Attachments
         - [ ] Commands with [MSC4391](https://github.com/matrix-org/matrix-spec-proposals/pull/4391)
         - [x] Mentions
@@ -120,9 +120,6 @@ A simple and user-friendly Matrix client made with Flutter and a Gomuks backend.
     - [ ] Align your message bubbles to left or right
     - [ ] Show media by default
     - [ ] Dynamic Theming
-    - [ ] Personas
-        - [ ] Setting per-message profiles for users (MSC4461)
-        - [ ] Explain how to send messages using a certain PMP
     - [ ] Devices
         - [ ] Viewing devices
         - [ ] Verifying devices
@@ -221,8 +218,6 @@ Run the app:
 flutter run
 ```
 
-Development instructions can be found in [DEVELOPMENT.md](./DEVELOPMENT.md).
-
 ## Community
 
 Join the [Nexus Client Matrix Room](https://matrix.to/#/#nexus:federated.nexus) for questions or help with developing or using Nexus Client.
diff --git a/gomuks b/gomuks
index fbe6fdb..daa0ba0 160000
--- a/gomuks
+++ b/gomuks
@@ -1 +1 @@
-Subproject commit fbe6fdbaabeaae46fb4c03e0d18260941f235d49
+Subproject commit daa0ba028e7d89ba9fc7580fc8099348e6145cb3
diff --git a/lib/widgets/chat_page/composer/chat_box.dart b/lib/widgets/chat_page/composer/chat_box.dart
index ac44aa3..dee52e1 100644
--- a/lib/widgets/chat_page/composer/chat_box.dart
+++ b/lib/widgets/chat_page/composer/chat_box.dart
@@ -62,6 +62,12 @@ class ChatBox extends HookConsumerWidget {
       fontWeight: FontWeight.bold,
     );
 
+    final canSendMessages = ref.watch(
+      PowerLevelController.provider(
+        PowerLevelConfig(eventType: "m.room.message"),
+      ),
+    );
+
     return Positioned(
       bottom: 0,
       left: 0,
@@ -86,12 +92,7 @@ class ChatBox extends HookConsumerWidget {
                 child: Row(
                   spacing: 8,
                   mainAxisAlignment: MainAxisAlignment.center,
-                  children:
-                      ref.watch(
-                        PowerLevelController.provider(
-                          PowerLevelConfig(eventType: "m.room.message"),
-                        ),
-                      )
+                  children: canSendMessages
                       ? [
                           EmojiPickerButton(
                             context: context,
@@ -100,6 +101,7 @@ class ChatBox extends HookConsumerWidget {
                           ),
                           PopupMenuButton(
                             tooltip: "Add media",
+                            enabled: canSendMessages,
                             itemBuilder: (context) => [
                               PopupMenuItem(
                                 child: ListTile(
@@ -143,6 +145,7 @@ class ChatBox extends HookConsumerWidget {
                                 "#": style,
                               },
                               builder: (context, key) => TextFormField(
+                                enabled: canSendMessages,
                                 maxLines: 12,
                                 minLines: 1,
                                 autofocus: true,
@@ -161,7 +164,7 @@ class ChatBox extends HookConsumerWidget {
                             ),
                           ),
                           IconButton(
-                            onPressed: send,
+                            onPressed: !canSendMessages ? null : send,
                             icon: Icon(Icons.send),
                             tooltip: "Send message",
                           ),
diff --git a/lib/widgets/chat_page/room_chat.dart b/lib/widgets/chat_page/room_chat.dart
index 1a1cfdd..7fb3f8f 100644
--- a/lib/widgets/chat_page/room_chat.dart
+++ b/lib/widgets/chat_page/room_chat.dart
@@ -365,15 +365,13 @@ class RoomChat extends HookConsumerWidget {
                                     text, {
                                     required shouldMention,
                                     required tags,
-                                  }) => notifier
-                                      .send(
-                                        text,
-                                        tags: tags,
-                                        relationType: relationType.value,
-                                        shouldMention: shouldMention,
-                                        relation: relatedMessage.value,
-                                      )
-                                      .onError(showError),
+                                  }) => notifier.send(
+                                    text,
+                                    tags: tags,
+                                    relationType: relationType.value,
+                                    shouldMention: shouldMention,
+                                    relation: relatedMessage.value,
+                                  ),
                               relationType: relationType.value,
                               relatedMessage: relatedMessage.value,
                               onDismiss: () => relatedMessage.value = null,
diff --git a/linux/nix/pkg/gomuks.nix b/linux/nix/pkg/gomuks.nix
index 86e826f..1bc92bf 100644
--- a/linux/nix/pkg/gomuks.nix
+++ b/linux/nix/pkg/gomuks.nix
@@ -11,7 +11,7 @@ buildGoModule (finalAttrs: {
 
   src = "${src}/gomuks";
 
-  vendorHash = "sha256-9FsZkE8JmFDQyigQAaFn7i2OsH6Q8yFigPFt/l2FIoU=";
+  vendorHash = "sha256-zBDfBZqUoHIfZ0AajZEvSBbskjpFB7yIsomt0KYDo7Y=";
 
   buildPhase = ''
     runHook preBuild