Range: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=de9594c50aa9&tochange=c8ee0c411f5e * Fire up Fx in a new Profile. * On the http://www.mozilla.org Site open several Links of your Choice in Tabs. * Close the opened Tabs but the last one. * Use Tab Context Menu "Undo Close Tab" expected: All closed Tabs being restored in Closing Order and appended next to each other for each undo Step. actual: The closed Tabs are being overwritten on one single Tab one by one for each undo Step.

What's happening is that TabView is undoing the tab to a new tab group and displaying only that tab group. If you go to TabView, the tabs are all bunched in the lower right corner. You then have to drag them over one-by-one, to restore. Quite annoying.

(In reply to comment #1) > What's happening is that TabView is undoing the tab to a new tab group and > displaying only that tab group. If you go to TabView, the tabs are all bunched > in the lower right corner. You then have to drag them over one-by-one, to > restore. Quite annoying. This is bug 586992.