Rated 4 out of 5 stars

per helvete1337 el abr. 4, 2016 · enllaç permanent

Great addon, nice work. I hate it, when Firefox crashes for example right before I can restore the last session, and all is gone.
The only flaw I encountered is, if some tabs are unloaded, maybe with the addon UnloadTab (https://addons.mozilla.org/de/firefox/addon/unloadtab/?src=api) the url gets lost. I don't know exactly whether it is caused by that combination of addons, or something else.
Great work though!