''Keychain1 [[#question-1049075|said]]'' <blockquote> This is a spin-off of a question I asked over at Ask Ubuntu, and you can view the original question here: http://askubuntu.com/questions/580351/maintaining-windows-in-workspace-after-program-restart I'm asking it the same way here with this additional question: Is this or could this be a feature in development? Thanks for any advice! </blockquote> For feature request bugzilla will be the best place: [https://bugzilla.mozilla.org/buglist.cgi?product=Firefox&component=Preferences&resolution=---&list_id=12045545 Bugzilla feature request]