Just what I was looking for :)

I found this to be the most intuitive for tab storage and management. No need to "stash" them or "bookmark" or "manage sessions". Tabs are just saved automatically in a group. You can have hundred of groups with a different name and switch between them with a click.

Assigning icon (emoji) to a group would be great. I know it's possible but not simple. First emoji in the group name should be auto assigned as the icon.

Good

I use Firefox because this add-on exists. It is such a valuable add-on.
Report a small bug. If you duplicate a tab by middle-clicking the reload button in Firefox, a new tab group will be created automatically the next time Firefox starts.

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Incredibly useful if you have too many tabs and windows open. I have now reduced it down to one window, and my work item tabs bundled together into their own project groups.

Possibly the best extension out there!

Feels more like "Simple Tab Workspaces" to be honest, but turns out that's just what I needed. It's a powerful and polished extension; there are fully-fledged browsers trying to implement workspaces and still lagging behind STG. That said, it might not have the most intuitive learning curve for some.

This extension is the reason I cannot leave firefox and move to chromium based browser

Incredibly useful!!