photodiode FIX YOUR FUCKING ADDON.
There are tons of complaints and several commits by a user trying to fix the problems with your addon.
And you wont merge them on the github.

Lost all of my open tabs. Clicked the Panorama View icon, and was left with a totally blank page. The manage extension options says I have 136 tabs but none are visible. The button to Save/Backup does nothing at all. Every time I click back onto the Panorama tab, all my open tabs vanish. It's gone rogue! How can I get them back?

It has been 3 times now over the past year where I am lost all of my tabs when my computer restarted. It's incredibly frustrating (especially since I had a research section and lost all of my sources in the latest restart) There are also times where all of my tabs are dumped into one section during a restart and I have to spend a good amount of time reorganizing.

I would recommend you steer clear of this extension and find something comparable instead

I like this extension，I wish there was an option for full screen mode instead of having to drag and resize it myself，Please Please Please

This is a great extension marred by losing all open tabs on a fairly regular basis. I lose everything 2 or 3 times a year and have stopped using it after the most recent loss.

Version 0.9.8 deletes tabs in Firefox 137.0.2

Function is great but I closed a tab via firefoxes "X" assuming it would simply jump back into panorama view, it didnt. the browser closed and hundreds of tabs vanished into thin air. This should not happen and is extremely frustrating, cant even restore them via "recently closed windows/tabs"

Fantastic add-on. It's probably due to a browser update but the add-on icon no longer adapts to your browser's themes, which is an unfortunate thing as a dark mode user (the icon is black and barely visible).

This is a good panoramic group tab. It can change color according to settings. But this needs to be fixed, the icon can't change color when in dark mode. And I think you need to develop it, so that when the browser is closed and reopened the tab groups are still there like in other browsers, so that makes this extension more impressive. I hope you can fix it soon. Best regard.

unrecoverably lost all my tabs when I x-ed out of the panorama view tab

I tried like 5 different tab grouping addons and this is the only one that actually does it properly. Albeit not exactly what I was looking for, but it works.

Works great until this week.
but now all groups with tabs inside are gone. Frustrating.. where can i get those tabs now?