User Agent: Mozilla/5.0 (Windows NT 6.1; rv:13.0a1) Gecko/20120205 Firefox/13.0a1 Build ID: 20120205031129 Steps to reproduce: 1. Open a web page with several links 2. Open several links in new tabs 3. Click the + icon next to the address bar 4. Select a different tab Actual results: The generating of the tab previews block the ui and Firefox becomes unresponsive for 1sec+ until the previews are generated Expected results: The user can switch/close tabs without waiting for the previews to finish generating.
Sriram/Brad - Are we async now in tab previews? I think we are and this could be closed.