diff --git a/packages/collaboration/src/browser/collaboration-color-service.ts b/packages/collaboration/src/browser/collaboration-color-service.ts
index a1c159cca8af7..adfac8e819118 100644
--- a/packages/collaboration/src/browser/collaboration-color-service.ts
+++ b/packages/collaboration/src/browser/collaboration-color-service.ts
@@ -71,6 +71,7 @@ export class CollaborationColorService {
     }
 
     requiresDarkFont(color: CollaborationColor): boolean {
+        // From https://stackoverflow.com/a/3943023
         return ((color.r * 0.299) + (color.g * 0.587) + (color.b * 0.114)) > 186;
     }
 }
diff --git a/packages/collaboration/src/browser/collaboration-frontend-contribution.ts b/packages/collaboration/src/browser/collaboration-frontend-contribution.ts
index 40b2394eeb24c..c6e875683fe23 100644
--- a/packages/collaboration/src/browser/collaboration-frontend-contribution.ts
+++ b/packages/collaboration/src/browser/collaboration-frontend-contribution.ts
@@ -50,7 +50,7 @@ export const DEFAULT_COLLABORATION_SERVER_URL = 'https://oct-server-staging-ymij
 @injectable()
 export class CollaborationFrontendContribution implements CommandContribution {
 
-    protected readonly authHandlerDeferred = new Deferred<ConnectionProvider>();
+    protected readonly connectionProvider = new Deferred<ConnectionProvider>();
 
     @inject(WindowService)
     protected readonly windowService: WindowService;
@@ -86,12 +86,12 @@ export class CollaborationFrontendContribution implements CommandContribution {
                 url: serverUrl,
                 client: FrontendApplicationConfigProvider.get().applicationName,
                 fetch: window.fetch.bind(window),
-                opener: url => this.windowService.openNewWindow(url),
+                opener: url => this.windowService.openNewWindow(url, { external: true }),
                 transports: [SocketIoTransportProvider],
                 userToken: localStorage.getItem(COLLABORATION_AUTH_TOKEN) ?? undefined
             });
-            this.authHandlerDeferred.resolve(authHandler);
-        }, err => this.authHandlerDeferred.reject(err));
+            this.connectionProvider.resolve(authHandler);
+        }, err => this.connectionProvider.reject(err));
     }
 
     protected async onStatusDefaultClick(): Promise<void> {
@@ -177,7 +177,7 @@ export class CollaborationFrontendContribution implements CommandContribution {
 
     protected async setStatusBarEntryDefault(): Promise<void> {
         await this.setStatusBarEntry({
-            text: '$(codicon-live-share) ' + nls.localizeByDefault('Share'),
+            text: '$(codicon-live-share) ' + nls.localize('theia/collaboration/collaborate', 'Collaborate'),
             tooltip: nls.localize('theia/collaboration/startSession', 'Start or join collaboration session'),
             onclick: () => this.onStatusDefaultClick()
         });
@@ -220,7 +220,7 @@ export class CollaborationFrontendContribution implements CommandContribution {
                     text: nls.localize('theia/collaboration/creatingRoom', 'Creating Session'),
                 }, () => cancelTokenSource.cancel());
                 try {
-                    const authHandler = await this.authHandlerDeferred.promise;
+                    const authHandler = await this.connectionProvider.promise;
                     const roomClaim = await authHandler.createRoom({
                         reporter: info => progress.report({ message: info.message }),
                         abortSignal: this.toAbortSignal(cancelTokenSource.token)
@@ -252,7 +252,7 @@ export class CollaborationFrontendContribution implements CommandContribution {
                 let joinRoomProgress: Progress | undefined;
                 const cancelTokenSource = new CancellationTokenSource();
                 try {
-                    const authHandler = await this.authHandlerDeferred.promise;
+                    const authHandler = await this.connectionProvider.promise;
                     const id = await this.quickInputService?.input({
                         placeHolder: nls.localize('theia/collaboration/enterCode', 'Enter collaboration session code')
                     });
@@ -299,16 +299,16 @@ export class CollaborationFrontendContribution implements CommandContribution {
         navigator.clipboard.writeText(code);
         const notification = nls.localize('theia/collaboration/copiedInvitation', 'Invitation code copied to clipboard.');
         if (firstTime) {
-            const makeReadonly = nls.localize('theia/collaboration/makeReadonly', 'Make readonly');
+            // const makeReadonly = nls.localize('theia/collaboration/makeReadonly', 'Make readonly');
             const copyAgain = nls.localize('theia/collaboration/copyAgain', 'Copy Again');
             const copyResult = await this.messageService.info(
                 notification,
-                makeReadonly,
+                // makeReadonly,
                 copyAgain
             );
-            if (copyResult === makeReadonly && this.currentInstance) {
-                this.currentInstance.readonly = true;
-            }
+            // if (copyResult === makeReadonly && this.currentInstance) {
+            //     this.currentInstance.readonly = true;
+            // }
             if (copyResult === copyAgain) {
                 navigator.clipboard.writeText(code);
             }
diff --git a/packages/collaboration/src/browser/collaboration-instance.ts b/packages/collaboration/src/browser/collaboration-instance.ts
index db28976f98a2f..00c89e1908a77 100644
--- a/packages/collaboration/src/browser/collaboration-instance.ts
+++ b/packages/collaboration/src/browser/collaboration-instance.ts
@@ -58,16 +58,8 @@ export function createCollaborationInstanceContainer(parent: interfaces.Containe
     return child;
 }
 
-export class CollaborationPeer implements Disposable {
+export interface DisposablePeer extends Disposable {
     peer: types.Peer;
-
-    constructor(peer: types.Peer, protected disposable: Disposable) {
-        this.peer = peer;
-    }
-
-    dispose(): void {
-        this.disposable.dispose();
-    }
 }
 
 export const COLLABORATION_SELECTION = 'theia-collaboration-selection';
@@ -108,7 +100,7 @@ export class CollaborationInstance implements Disposable {
     protected readonly utils: CollaborationUtils;
 
     protected identity = new Deferred<types.Peer>();
-    protected peers = new Map<string, CollaborationPeer>();
+    protected peers = new Map<string, DisposablePeer>();
     protected yjs = new Y.Doc();
     protected yjsAwareness = new awarenessProtocol.Awareness(this.yjs);
     protected yjsProvider: OpenCollaborationYjsProvider;
@@ -610,7 +602,10 @@ export class CollaborationInstance implements Disposable {
         const collection = new DisposableCollection();
         collection.push(this.createPeerStyleSheet(peer));
         collection.push(Disposable.create(() => this.peers.delete(peer.id)));
-        const disposablePeer = new CollaborationPeer(peer, collection);
+        const disposablePeer = {
+            peer,
+            dispose: () => collection.dispose()
+        };
         this.peers.set(peer.id, disposablePeer);
     }