Linux Software

Firefox 154 Beta 7 for Linux

Firefox Beta is the build for those who like a little bit of jeopardy, but who don’t want to risk everything by trying out Firefox Developer, the early alpha build of Firefox. Firefox Beta gives you a sneak peek at the next version of Firefox six weeks ahead of its final release, offering a relatively stable build that’s not quite ready for primetime, but still pretty solid.

Whereas Firefox Developer installs as a completely separate application alongside your existing Firefox installation, Firebox Beta will replace the stable build. Should you subsequently wish to go back to the safer version, you’ll need to manually download the stable version and install it over the top of the beta build.

Confirm which build you have by selecting About Firefox from the Firefox menu or button (it’s inside the Help menu if using the Firefox button).

Verdict:

Check out the next version of Firefox before it’s released.

  • Rating:
    Operating Systems:
  • LinuxLicense:
  • Open SourceDeveloper:
  • Mozilla

  • Software Cost:
    Free
  • CategoryDate Updated:
  • 05 August 2026Downloads To Date:
  • 1140Languages:
  • EnglishDownload Size:
  • 51.00 MB

    Specifications

    Requirements

     

    Changelog

    Firefox 154 is now in the Beta channel. New features include:

    – High dynamic range video is now supported in Firefox on Windows 10 and 11 for HDR displays connected to AMD and NVIDIA GPUs (notably this excludes Intel+NVIDIA laptops for now), work is underway to enable this feature on more GPU vendors. 
    – Added support for Apple’s system-wide full-screen keyboard command (Globe-F)
    – Share any open page with a QR code. Right-click a tab, select Share > Generate QR Code. Great for posters, invitations, banners, and other printed materials. On macOS, you can also right-click the address bar to access the Share menu.
    – Firefox Labs can now be opened quickly by typing “labs” or “experiment” in the address bar and selecting the Open Firefox Labs quick action.
    – Firefox now verifies and displays Qualified Website Authentication Certificates (QWACs) in accordance with eIDAS regulations.
    – Quickly pick and copy a color from any page by typing “pick color”, “color picker”, or “eyedropper” in the address bar and selecting the “Pick a color” quick action.
    – It is now possible to add images as new pages within PDFs using the Firefox PDF editor.
    – Added improved support for videos with overlays so users can more easily access video actions from context menus.
    – It is now possible to merge multiple PDFs by dragging a PDF in the PDF sidebar.
    – Firefox now highlights the location permission icon in red whenever a website has access to your location. The permission icon is also now visible on search results pages where it was previously hidden.

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