
My app tabs fail to open when i reopen the browser. why?
After installing 4.0 yesterday I started experimenting with new features, including the app tabs. I closed some of the app tabs, though not all, and then as an experiment closed & reopened the browser.
Your specs say that: All of the App Tabs you have set when you close Firefox will open as App Tabs when you start Firefox again.
This did happen for me. Neither the app tabs I had open when I closed the browser nor the ones I had closed were saved. It seems that maybe this feature is not behaving as expected? There appears to be no persistence with the app tabs.