perfect addon, exactly what i need.

Best tree tabs extension ever. Thanks!

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I switched from Arc browser to Firefox because of this extension

noticeably better UX.

The must-have add-on every time I install new Firefox 🌸

Since the last update, this app is clunky, slow, and frequently crashes (the biggest crashed my whole system) with no way to retrieve my previous loaded webpages. After uninstalling the extension, I no longer have access to the usual Firefox browser - the tabs are gone and only accessible from "List all tabs" menu, also, new tabs can only be opened using the "Application menu".

First I thought this finally works, on Linux. But frequently my Tabs disappear, new windows being opened instead of the old one, suddenly I have several windows open, and when I transfer tabs from one window to the other, after a while the whole panel where I dropped it into, vanishes. What good is the use of a program that causes you to do lot of work grouping and arranging and sorting, when it frequently causes loss of data? Snapshots have not done the trick for me, it just gets more confusing when it just opens more windows. Updating Firefox causes loss of all tabs. Erasing a part of the browser chronic through Firefox (just one page) causes loss of all tabs. Is not sufficiently integrated in Firefox on Linux in my opinion.

I ditched Google and came back to Firefox because of this extension. It works perfectly with groups. Just what I was looking for to organize my online life.

Really cool, I'm using it as my main tab bar, the only thing that it lacks (Or I would like it had) is the ability to change the favicon to some tabs so I can have the same page open two times with different favicons like I can change the tab title
Sometimes it mixes my tabs from one folder to another and I end up with some empty folders and one folder with everything

Tuyệt vời

Good extension with giant amount of tweaks! The only thing to developer – I'd like to control background color or even hide top header with "Tabs > X" at all.