It is a first that is nearest Tab Groups.
Make it better tabs overview (managing groups) and you have 5 stars and recommendations from me!
https://addons.mozilla.org/cs/firefox/addon/tab-groups-panorama

Works almost as previous "Tab Groups" add-on. I'm waiting for possibility of displaying group name instead of colour

Good Addon. Not sure if the means of always closing tabs when switching groups is a generall problem with firefox 54+. Ofc it would be nice if they could stay opened. Let's see how it goes in time.
One other bug is, when I close the browser and reopen it: the tabs from my session reopen without a problem (they are not lost) BUT they are in no group anymore. Would be nice if the addon recognizes this was the old group and uses it. Workaround (and general nice feature) would be: when you right click tabs you can move them to group, so having a second option, when clicking on a tab to "Move all open tabs to group ..." would help a lot :) so I at least dont have to click on every single Tab of a window. Good work so far!

I don't like this addon at all. Like other people are saying, it closes all tabs when I switch a group to another. Why do you do this????
Other users seems quite happy with this add on so maybe its just a few of us???
I don't know but I'm not gonna keep using this.

Great replacement for removed built-in tab groups! Simple and easy to setup.

Inactive tabs are out of memory and need to get reloaded becoming active again.
This implies long lasting loading times.
This also implies that active plugins (e.g. audio playback of a tab) stops when the group is changed.
I just want tabs to be grouped, nothing less, nothing more.

I modify my appreciation and give 5 stars insted of 3 because now this module is perfect for me.
Bravo to the author.

I gave this addon the second chance, and it works great! The only feature I miss is exporting/importing specific groups in the addon.

Better than original Tab Groups, best tab manager, works in all modern firefox versions including latest nightly, very well done job, thanks a lot.

Super helpful! I'm one of those people who has over six or seven tabs open all the time, and this makes managing them *so* much better. Thanks!

The best addon. Saves my time. And helps me stay focused.

Works really bad. This addon doesnt actually just group tabs. It CLOSES the active tabs, then loads the tab in the group you selected. If you want to go to some of the tabs in another group, well too bad, because now you have to RELOAD them again.... sigh. terrible. We just want the tabs to be grouped, that is all. Not closed, not reloaded. Just grouped.

This addon is getting worse and worse... I don't know why the dev is wasting his time on these stupid workarounds for the tab hiding issue.... Firefox added the ability to hide tabs weeks ago, stop fucking around with these idiotic workarounds and implement it properly. These idiotic workarounds are just making the plugin do some really erratic shit. For example: https://i.imgur.com/7oWdnuj.png

I did not create a single one of those groups. So now in addition to randomly creating groups (which it started doing a week go or so), now it seems to be populating some of them with tabs from sessions that ended a long time ago. I did not have those 86 or 116 tabs open the last time I closed Firefox. There are even duplicates in those two groups... I don't know where or how the fuck this addon decided to create those groups and populate them with tabs that I closed days ago, but there you have it...

You should go back to how you had the addon 3-4 weeks ago, and then focus only on writing in the tab hiding functionality. All this crazy shit you're trying to do with closing tabs and then reloading them with the moz-extension bullshit is not working at all, and it was a pretty stupid workaround to begin with.

If you were a die-hard Tab Groups user, this just might be the only way forward for you with FF Quantum.

I tried many replacements for Tab Groups until this add-on came out. In my opinion, it's the only one that even comes close (unless there is a proper re-write of the original Tab Groups for FF Quantum).

There are some bumps along the way - some of them are Firefox bugs, some of them are add-on issues - but I think the developer has been doing a great job of maintaining this add-on and managing expectations.

It's great to be able to group tabs based on what is currently being focused on, and to avoid seeing the noise that is interesting at another time, when you have another focus.
Right now, I want to relax tonight but will probably check things anyway. Actors, facts, etc. But want to leave the planning of the holiday for later. Or things that are interesting for my job.

Happy that someone continues to take care of the add on on the same track. Thanks a lot!

Simple and very useful

A must-have for power users!

Poor compared to Tab Groups but better than anything available yet in Quantum disaster and makes it barely usable.