Mozilla released a standalone Firefox Nightly test build recently that includes support for vertical tabs. Here is how it looks.
  • mulcahey@lemm.ee
    3·
    3 months ago

    Sounds like that’s in here:

    “The test build shows the horizontal tab bar and the sidebar at the same time by default. A click on the new “hide tab strip” button hides the horizontal tab bar so that only the vertical sidebar remains.”