This addons is amazing. I can create a group for every work tasks which keeps my browser organized and I don't have to search for specific tabs from dozens of open tabs.

The only problem is that I need to backup the data every time I plan on reopening the browser. Restarting the browser empties all the groups.

I also wish I could rename tabs. (I know there's a separate addon for that, but I'd rather have one plugin that does it all)