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Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

134.0 Firefox Release

January 7, 2025

Version 134.0, first offered to Release channel users on January 7, 2025

New

  • Firefox now supports touchpad hold gestures on Linux. This means that kinetic (momentum) scrolling can now be interrupted by placing two fingers on the touchpad.

  • Hardware-accelerated playback of HEVC video content is now supported on Windows.

  • Ecosia's availability has been expanded to all languages in the German region along with Austria, Belgium, Italy, Netherlands, Spain, Sweden and Switzerland.

Fixed

Changed

  • Firefox now follows the model HTML specification for transient user activation more closely. This change makes popup blocking less strict in cases where previous versions of Firefox were overly aggressive, reducing erroneous blocking prompts.

  • A refreshed New Tab layout is being rolled out to users in the US and Canada, featuring a repositioned logo and weather widget to prioritize Web Search, Shortcuts, and Recommended Stories at the top. The update includes changes to the card UI for recommended stories and allows users with larger screens to see up to four columns, making better use of space.

    Screenshot of the updated layout on the New Tab page

    Currently available in: Canada, United States

    This feature is part of a progressive roll out.

    What is a progressive roll out?

    Certain new Firefox features are released gradually. This means some users will see the feature before everyone does. This approach helps to get early feedback to catch bugs and improve behavior quickly, meaning more Firefox users overall have a better experience.

Developer

  • Developer Information

  • Improved support for debugging web extensions, such as automatically reloading the web extension's source code in the Debugger when the extension is reloaded.

  • Debugger log-point values are now automatically converted into profiler markers, making it easy to add information to the marker timeline directly from the Debugger.

  • The Network panel displays information about Early Hints, including a dedicated indicator for the 103 HTTP status code in the user interface.

    Screenshot of the developer tools Network panel with the new feature

Community Contributions

  • With the release of Firefox 134, we are pleased to welcome the developers who contributed their first code change to Firefox in this release, 12 of whom were brand new volunteers! Please join us in thanking each of these diligent and enthusiastic individuals, and take a look at their contributions:

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