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December 19, 2025 6.6.7 - Import & Linux video fixes
This is a small release with a Windows import fix, a Linux HDR playback fix, and an important Flathub verification milestone for our Flatpak users.
Windows
Firefox import fix
- Fixed an issue that prevented importing Firefox data on Windows. Even if you have already setup Waterfox, you can still import your data via
Settings (about:preferences)→General→Import browser data.
Info
Passwords import is not currently supported at the moment due to the different cryptography used in newer Firefox versions.
Linux
HDR playback on YouTube
- Fixed an issue on Linux where HDR would be broken on YouTube videos, thanks to @goodusername123 for finding the relevant bugs and patches.
Verified on Flathub
I have now verified Waterfox on Flathub, so you can trust the provenance of it.
Shout out to @pascalrrr, who has been diligently maintaining the Flatpak for quite a few years now.