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93.0 Firefox Release

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  • 93.0 Firefox Release
  • Firefox 93.0

    Firefox 93.0 has been released. With this version Firefox supports the new AVIF image format, which is based on the modern and royalty free AV1 video codec. The PDF viewer supports filling more forms, such as XFA-based forms used by multiple governments and banks. Downloads that rely on insecure connections are blocked, protecting against potentially malicious or unsafe downloads. Details on these features and more can be found in the release notes.

  • Firefox 93 features an improved SmartBlock and new Referrer Tracking Protections

    We are happy to announce that the Firefox 93 release brings two exciting privacy improvements for users of Strict Tracking Protection and Private Browsing. With a more comprehensive SmartBlock 3.0, we combine a great browsing experience with strong tracker blocking. In addition, our new and enhanced referrer tracking protection prevents sites from colluding to share sensitive user data via HTTP referrers.

  • Tab Unloading in Firefox 93 - Mozilla Hacks - the Web developer blog

    Starting with Firefox 93, Firefox will monitor available system memory and, should it ever become so critically low that a crash is imminent, Firefox will respond by unloading memory-heavy but not actively used tabs. This feature is currently enabled on Windows and will be deployed later for macOS and Linux as well. When a tab is unloaded, the tab remains in the tab bar and will be automatically reloaded when it is next selected. The tab’s scroll position and form data are restored just like when the browser is restarted with the restore previous windows browser option.

    On Windows, out-of-memory (OOM) situations are responsible for a significant number of the browser and content process crashes reported by our users. Unloading tabs allows Firefox to save memory leading to fewer crashes and avoids the associated interruption in using the browser.

    We believe this may especially benefit people who are doing heavy browsing work with many tabs on resource-constrained machines. Or perhaps those users simply trying to play a memory-intensive game or using a website that goes a little crazy. And of course, there are the tab hoarders, (no judgement here). Firefox is now better at surviving these situations.

    We have experimented with tab unloading on Windows in the past, but a problem we could not get past was that finding a balance between decreasing the browser’s memory usage and annoying the user because there’s a slight delay as the tab gets reloaded, is a rather difficult exercise, and we never got satisfactory results.

  • Firefox 93.0 Released! Adds AVIF Support & Blocks Insecure Downloads | UbuntuHandbook

    Mozilla Firefox 93.0 was officially released today. The release features AVIF image support and further security improvements.

    The AV1 image format (AVIF) is an image file format for storing images or image sequences compressed with AV1 in the HEIF file format. It offers significant file size reduction compare to JPEG, PNG and WebP. Google Chrome added it support since version 85. By releasing v93.0, Firefox now has AVIF image support.

    Some PDF files have interactive fields to fill in data. Since Firefox 83, the built-in PDF viewer supports filling fields such as text, check boxes, and radio buttons. In the new release, it adds more forms (XFA-based forms, used by multiple governments and banks) support.

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