User Agent: Mozilla/5.0 (Windows NT 6.0; rv:16.0) Gecko/20100101 Firefox/16.0 Build ID: 20121024073032 Steps to reproduce: Machine is Win Vista x86, Firefox 16.0.2. 1. Click Shift+F2 to open the Developer Toolbar. 2. Try to close the DevToolbar by clicking Shift+F2 or Esc. 3. The DevToolbar won't close, unless you use the mouse to click on it.
You're right, we got it. Should be in the released Firefox soon. Thanks for the report.