Found in

• Beta 118.0b2;

Affected versions

• Beta 118.0b2;
• Nightly 119.0a1;

Tested platforms

• Windows 10/11;

Affected platforms

• Windows 10/11;

Unaffected platforms

• macOS, Linux;

Preconditions

• Install a deliberately-wrong color profile for the (primary/in-use) display. This one can be used - IdentityRGB-elle-V4-g10.icc
• To make sure this profile is in use access Color Management in Windows, select Advanced and from Device profile dropdown select -> IdentityRGB-elle-V4-g10.icc

Steps to reproduce

1. Launch Firefox and alongside have another browser opened (ex. Chrome)
2. Restart both browsers.
3. Access this image on both browsers and compare them.

Expected result

• The colors on both are estompated according to the active profile.

Actual result

• On Firefox the colors seem to be oversaturated compared to Chrome.

Regression range

• Will look for one ASAP.

:oardelean, if you think that's a regression, could you try to find a regression range using for example mozregression?