[freddydumont]

Seems like it still won’t replace Sidebery for me as this provides only a single grouping layer.

[Ezhik]

To replace Sidebery Firefox would need to clone like half of Arc Browser.

[honieware]

Arc is dead, long live Arc. Best we can hope for while The Browser Company is toying with their investor-bait "AI browser" is for other browsers and extensions to copy the good parts of it.