Aby toś te dodanki wužywał, musyśo Firefox ześěgnuś.

Pśizjawiś
Dodankowy symbol

Pógódnośenja za Undo Closed Tabs Button

Undo Closed Tabs Button wót Thomas

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Pógódnośenja wót extra
wót extra, 8 ani în urmă
used to work until last update. i have 5 separate firefox instances, with random number of tabs, Undo Close is always empty ”Nothing to Restore!”