Gmail Freezing when Preview Pane enabled

Resolved
Chrome Extension
Degraded Performance

Users who have the "Preview Pane" feature enabled in Gmail may experience issues when using the Keeping Toolbar. This includes a non responsive UI or Gmail freezing altogether. We've identified the cause of the issue - Gmail updated how the Preview Pane works - and we've pushed a fix to the toolbar. Please update your toolbar to 3.3.6 or disable the Preview Pane (Settings --> Advanced) if you are experiencing this issue.