It works for me perfect

Interesting concept, also adopted by other tab managers (creates lists of tabs, which are much easier than tiny squeezed tabs in the built-in bar to view and handle). The preview of the tab is very useful, outstanding from other tab managers. On the down side, the save-all-tabs function does just that, saves all tabs... And nothing more. No management of saved tabs, controlled restoration, moving tabs, nothing at all. When restoring the tabs, it simply throws them all open at once, which can be disastrous if there are hundreds of tabs (even more so if the tabs are from authenticated sites, which may not like multiple tab access.) Last, but not least, restored tabs ignore containers.

Beautiful and nicely addons!!
Just one point is it super heavy for my old laptop...

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