Session Manager

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wót Wužywaŕ Firefox 6845c1 dnja Dec. 16, 2017 · trajny wótkaz

Thanks for this good work ! This extension is unique and for me probably the most important in my daily use of Firefox. I have to downgrade because Quantum does not support it. Incredible !!! Anyways, would appreciate to get some info when Firefox evolves to support it, otherways i will not upgrade again since the alternatives are buggy and crappy.