Hey there!

Thanks for the awesome review, and rating.

I felt the same way, which is why I developed it myself haha.

Regarding your feature requests:

1. More than 10 groups per group rule - Done.
The number allowed domains per group rule is now unlimited. I tested with 20 tabs, but feel free to test on your own. Make sure to update the extension though!

2. Right click a group and move it to a different firefox container - I'll try to check it out.

3. Right click a group and create a new group rule from it - I'll try to look at this as well.

This is a side project of mine, so hopefully I'll have the time to work on it, but no promises.

Glad you enjoyed it, and if you have any requests, feel free to update me on my feedback & support form.

I'll update this comment accordingly :)

UPDATE:

2. Right click a group and move it to a different firefox container - Done. You can now right click on a page inside a group, click "Create Rule from Group", and create the rule to you liking.