5 ms·

For my mental cleanup it works to have about:config?filter=browser.tabs.closeWindowWithLastTab set to false.

• throwaway613834 9y ago
  Windows and tabs are both cognitive overload for me, I don't treat regular windows any differently from browser tabs.
  • copperx 9y ago
    Command-H does the trick for me.
    • throwaway613834 9y ago
      Hiding stuff doesn't do it for me haha :\ if it's running then it's taking some of my attention...