Hi, This is the best replacement for Tab Groups I found so far, thank you for your work. Just a couple of improvement suggestions:

1. It would be great if loading of all pages at the same time when changing groups could be disabled. In mi case, I usually have more than 20-30 pages in each group and when I switch groups, it takes too long to load all pages (and I change between groups very often); usually it's OK for me to begin looking at one page and then changing/loading the next page afterwards.

2. It would be great If one could move a page from one group to another group, perhaps using the contextual menu from the right mouse button.

Thanks again for your great plugin.

Very good Tabgroups import, but doesn't import pinned tabs!

It doesn't seem to be working with containers like Conex / Taborama extensions.

Waiting for more features and more polished (bigger buttonwith full group name, container import/export etc)

This could be the replacement people are looking for. I will be using this for now unless a more polished alternative comes along.

Bugs:
This add-on removes all back button history when you change groups or reload Firefox. That needs to be fixed.
Sometimes when I change groups, more than one copy of some of the tabs are restored.

Very promising. Missing a few convenience features still (e.g. renaming a group).

Core feature is here, might need to improve the UI

A good and lightweight alternative to the old "Tab Group", "Session Manager" and "Session Sync" add-ons.

I think that could be THE alternative to the great 'Tab Group' add-on.
The main missing feature is the import/migration of existing groups from TabGroup.
I'll appreciate a custom toolbar with tab groups like 'Tab Groups Button'.

This is really cool. Could you add a Tab Group bar, so that the groups would always be visible? I'd like to not have to click a button before seeing and navigating tab groups.