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Mozilla Firefox 100 brings Picture-in-Picture subtitle support, more features to desktop and Android

Mozilla Firefox 100 was released for desktop and Android on Tuesday, May 3. With this update, Mozilla has introduced several new features, fixes, and changes. The Firefox web browser now supports picture-in-picture (PiP) subtitles/captions on YouTube, Prime Video, and Netflix. Subtitles will now automatically appear in PiP mode if you have already enabled them in the in-page video player. This feature is now also supported on websites that use the WebVTT (Web Video Text Track) format, such as

Mozilla introduced a plethora of changes with the 100th version of its browser. Several new video playback features have been added to the Firefox browser. Mac users running macOS 11+ can now enjoy HDR video streaming on YouTube. Additionally, hardware-accelerated AV1 video decoding can now be enabled on Windows systems with supported GPUs. Additionally, video overlay has been enabled on Windows for Intel GPUs, which should reduce power consumption during video playback.

There are also a few new language support features. Firefox is now programmed to give users the option to change the browser language if it does not match the system language when opened after a fresh install. The developers have also added additional languages ​​for Firefox’s spell check feature.

With the release of the 100th version, Mozilla also made some improvements to the interface. The link indicator has been changed to a solid blue line instead of a dotted line to improve its visibility. An option has been added that allows users to select a preferred color scheme for websites. Also made some adjustments to improve the performance of the volume slider on Twitch.

This Firefox update also brings several security fixes as well as general performance improvements.

Mozilla notes that Firefox 100 might not work well for some websites, which could be due to its new three-digit version number. He has shared a workaround if users are facing such issues.


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