I use it all the time. i can see in a glance which tab is parent of another. and I can jump from the first to the last in a click, evne if i have more than 100 tabs opened.

After using it, now I need this in every browser I use.
Side note: If someone wants to hide upper tabs, they can do so using custom css or install addons.mozilla.org/en-US/firefox/addon/toggle-native-tab-bar/

sangat membantu BINTANG 10!!

One of my top 3 favorite add-ons for all of Firefox!

I HAVE ONE FEATURE REQUEST PLEASE!

Please add re-naming tabs and allow me to turn the feature on from the Context Menu or Tree Behavior section.

Pleaseeee!

Game-changing add-on! This is definitely my favorite extension.

On it's own it's an incredible add-on, however if you take the further extensions into account it turns it into a serious 10/10.

The extensions that you can install, especially the core extensions maintained by piro themselves, makes it the main reason why I even use Firefox at all.

Using the multiple tabs handler, More Tree Commands, and the bookmark subpanel, makes researching topics a breeze. You don't have to struggle with the browser and can get on with your work.

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