Mozilla Connect

Cmd+B is normally a shortcut for show/hide sidebar in many app, so I guess it's a unofficial standard by somehow. I think it would be a lot better if sidebar itself could manage Bookmarks/Opened tabs/etc.. tab containers, so I would need to press Cmd...

Thanks, I guess you're using Windows.I've tried with Ctrl+Option+Z (MacOS) but still doesn't work.

When I hover on sidebar button on top bar, it shown me ^Z (control+Z) could help to to Expand/Hide, but I tried and it didn't work.