103.0beta
Firefox Beta

June 28, 2022

Version 103.0beta, first offered to Beta channel users on June 28, 2022

Warning: Features listed here may or may not make a final release of Firefox.

In addition to these release notes, you can follow ongoing development via our @FirefoxBeta Twitter account.

New

  • Improved responsiveness on macOS during periods of high CPU load, by switching to a modern lock API.

  • Required fields are now highlighted in PDF forms.

  • Improved performance on high-refresh rate monitors (120Hz+)

  • Subtitles and captions for Picture-in-Picture are now available at HBO Max, Funimation, Dailymotion, Tubi, Disney+ Hotstar, and SonyLIV.

  • Subtitles and captions for Picture-in-Picture (PiP) are now available at HBO Max, Funimation, Dailymotion, Tubi, Disney+ Hotstar, and SonyLIV. This allows you to view video in a small window pinned to a corner of the screen while navigating between apps or browsing content on the main screen.

Fixed

  • Non-breaking spaces are now preserved when copying text from a form control.

  • Fixed WebGL performance issues on NVIDIA binary drivers via DMA-Buf on Linux.

Changed

  • Removed configuration option to allow SHA-1 signatures in certificates. SHA-1 signatures in certificates, long since determined to no longer be secure enough, are now not supported.

All Firefox Beta downloads