1. Open Firefox Nightly. 2. Open WebIDE. 3. Close the browser window in the background. 4. From the WebIDE's window options select Nightly > Preferences. https://www.dropbox.com/s/dzebfqyhvx2im5w/Screenshot%202014-10-06%2013.30.16.png?dl=0 Actual result: When the WebIDE is the only window opened and is focussed: * I cannot click Nightly > Preferences. * The Firefox Preferences keybinding (⌘,) does not work. (But notice the Nightly window option becomes highlighted in blue: https://www.dropbox.com/s/xj385pbwn2hiojo/Screenshot%202014-10-06%2013.40.16.png?dl=0) If a Firefox window is opened in the background but the WebIDE is focussed: * I _can_ click Nightly > Preferences. * The Firefox Preferences keybinding (⌘,) _does_ work. Expected result: When the WebIDE is the only window opened and is focussed, Firefox Preferences should load from the window options and they keybinding. Related: bug 1078698
WebIDE is slated for removal (bug 1314811), so there are no plans to add to the current set of features.