Quintessential add-on for me up there with Ublock Origin. As a few users have noted having a keyboard shortcut to create a new tab with the same container would be super useful (rather than pressing and holding on the +. Otherwise amazing for privacy and logging into personal/work/university outlook accounts.

Je découvre tout juste cet ad-on qui est une excellente découverte.

ok

Useful and simple extension

So useful and versatile, easy to organise tabs and delete as well

Excellent add-on! Only one feature missing: removing cookies / site data for selected Container. I hope it will be implemented soon!