| Version | Change log |
| Waterfox 6.6.10 Mar 24, 2026 |
Security: Fixed multiple security vulnerabilities as described in Mozilla Foundation Security Advisory 2026-22. Changes: Backported the fix for Bug 1969603, resolving a recursive deadlock in RTCRtpScriptTransform. This fix is needed for Discord and should restore voice and video functionality. Added a Discord specific user agent override that reports Waterfox as Firefox 149, which should help keep Discord voice and video working correctly. |
| Waterfox 6.6.9 Feb 25, 2026 |
Security: Fixed multiple security vulnerabilities as described in Mozilla Foundation Security Advisory 2026-15. Fixed 3 CVEs in the JPEG-XL image decoder. Bug Fixes: Certificate reliability improvements: Fixed an issue that could cause "Unknown Issuer" certificate errors on certain sites, most commonly on Linux. Waterfox now refreshes intermediate certificate data as needed to keep HTTPS sites loading securely. No new browsing data is collected; Waterfox may contact Mozilla's certificate update endpoints to fetch missing intermediate certificates and revocation data. Performance: Small performance improvement in JPEG-XL image decoding (improved LUT loading and added RGB offset dithering). Experimental: Ogg Theora support can be re-enabled by setting media.theora.enabled to true in about:config. ?? Use with caution as enabling Ogg Theora may have security concerns. |
| Waterfox 6.6.8 Jan 12, 2026 |
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 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. |
Total downloads
125
Last month's downloads
10
Last week's downloads
2
Waterfox Portable is a cutting-edge web browser designed for ... who value speed, privacy, and customization. Developed by Waterfox, this portable version allows you to take your ... footprint minimal. Built on the foundation of Mozilla Firefox, Waterfox Portable retains the familiar interface while enhancing performance ...
