New browsers: Mozilla Firefox 93 can AVIF, Firefox 91.2 ESR fixes errors

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New browsers: Mozilla Firefox 93 can AVIF, Firefox 91.2 ESR fixes errors

Mozilla has released Firefox 93 and its longer-maintained ESR version, which will be updated with updates for at least one year and is primarily intended for corporate use. Most of the various innovations were already presented in the last beta.

Standard support for the AVIF image format

After numerous delays recently, support for the AV1 Image File Format (AVIF) of the next generation based on the license-free AV1 video codec (AV1) is now also activated by default in Mozilla’s free browser. In the long term, the format is intended to replace JPEG, but it will also serve as a successor to WebP on VP8 basis in question.

In addition to the mandatory optimizations and bug fixes, the official Release Notes also made minor improvements for Firefox PDF and the browser’s resource management.

  • NEW
    • Firefox now supports the new AVIF image format, which is based on the modern and royalty free AV1 video codec. It offers significant bandwidth savings for sites compared to existing image formats. It also supports transparency and other advanced features.
    • Firefox PDF viewer now supports filling more forms (XFA-based forms, used by multiple governments and banks). Learn more.
    • When available system memory is critically low, Firefox on Windows will automatically unload tabs based on their last access time, memory usage, and other attributes. This should help reduce Firefox out-of-memory crashes. Switching to an unloaded tab automatically reloads it.
    • To prevent session loss for macOS users who are running Firefox from a mounted .dmg file, they’ll now be prompted to finish installation. This permission prompt only appears the first time these users run Firefox on their computer.
    • Firefox now blocks downloads that rely on insecure connections, protecting against potentially malicious or unsafe downloads. Learn more and see where to find downloads in Firefox.
    • Improved web compatibility for privacy protections with SmartBlock 3.0. Learn more
    • Introducing a new referrer tracking protection in Strict Tracking Protection and Private Browsing. Learn more
  • FIXED
    • The VoiceOver screen reader now correctly reports checkable items in accessible tree controls as checked or unchecked.
    • The Orca screen reader now works correctly with Firefox, no longer requiring users to switch to another application after starting Firefox.
    • Various security fixes
  • CHANGED
    • TLS ciphersuites that use 3DES have been disabled. Such ciphersuites can only be enabled when deprecated versions of TLS are also enabled. Learn more.
    • The download panel now follows the Firefox visual styles.

Mozilla Firefox 93 – Release Notes

XFA-based forms, such as those used by some banks and authorities, are now supported for the first time with Firefox 93.

In addition, Firefox version 93 is officially available for the first time as a snap package for the package management software Snappy under Linux and the AArch64 architecture alias ARM64 available.

Download on ComputerBase

Firefox 93 and Firefox 91.2 ESR for Windows (7, 8, 10 and 11), Windows 10 ARM, Linux and macOS can be downloaded as usual directly below this message from the download area of ​​ComputerBase.

In addition, Mozilla Firefox 94 Beta 1 is already available (Release Notes) as a preliminary version ready for everyone to try out.

The editorial team thanks team member “Eiswiesel”, who is also responsible for the download area, for pointing this out.

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