Mozilla is developing a new feature that will allow you to find a particular tab from multiple open tabs quicker on Firefox.

Some times while working on your computer, multiple tabs are opened. This makes scrolling the different open tabs to search for a particular tab quite stressful. If you experience this often, then Mozilla wants to make things easier for you.....

Source : https://rnscope45.com/technology/uncategorized/mozilla-is-developing-a-new-feature/