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@MrAlex94 MrAlex94 released this 12 Jan 14:22
6.6.8
2d39d9b
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MrAlex94 Alex Kontos
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Learn about vigilant mode.

This release adds manual tab unloading (useful for freeing memory without closing tabs) and improves how unloaded tabs are represented, fixes a few import/UI issues, and includes platform specific improvements for macOS and Windows.

General

  • When importing data from another browser, empty profiles no longer appear in the selection list.
  • Added an Unload Tab option to the tab context menu to free memory without closing the tab.
  • Unloaded tabs now show a wireframe preview (after the tab has been active at least once).
  • Fixed an issue where the Show duplicate tab menu item option did nothing on the Settings page.
  • Updated search engine aliases so they no longer take over single-character shortcuts, allowing you to assign them as you wish:
    • Google: @g → @go
    • Bing: @b → @bi
    • Ecosia: @e → @ec
    • Mojeek: @m → @mo
    • Qwant: @q → @qw
    • Waterfox Private Search: @w → @wps
  • JPEG XL images should look better (thanks to @goodusername123):
    • The decoder now uses a higher quality blue noise dithering pattern to cut down on visible banding, and its upscaling step clamps overshoot to avoid haloing when enlarging images.
    • Color handling is more reliable; improved ICC/CMYK processing means images with embedded color profiles should match their intended colors more consistently.
    • General JPEG XL stability/performance tweaks from the upstream library: tighter buffering and math paths that should make decoding a bit smoother and less crash-prone.
  • Security fixes for MFSA 2026-03

macOS

  • Waterfox on macOS now supports Web Authentication (passkeys) for compatible sites.
  • With the future release of macOS 26.3 and later, Waterfox will work with the iCloud Passwords extension.

ℹ️ Info
Users on macOS 14 → macOS 15.3 are already able to use the iCloud Passwords extension, but starting with macOS 15.4 Apple introduced a whitelist of supported browsers. Waterfox was added to this list in December 2025 and will be available with the next macOS release.

Windows

  • Windows builds now come bundled with the required Visual Studio redistributable files, meaning Waterfox will run on a fresh Windows install even if no other programs have been installed yet.
  • Removed the survey checkbox from the uninstaller.
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