Indeed, it works for me too. To anyone wondering: the new setting is
browser.sessionstore.warnOnQuit. When set to true, you'll get a warning when
closing the browser even when session restore is enabled (browser.warnOnQuit
still needs to be true too).
I don't know how recently this was added, bu
(In reply to :Gavin Sharp (email ga...@gavinsharp.com) from comment #183)
> This bug has outlived its usefulness - our current warning behavior is
> weighed towards not warning, but allowing session restore if needed. If
> there are specific issues those are best dealt with in narrower bugs.
I agre