Mozilla is actively working to bring HDR support to Firefox on Windows, including HDR Video and HDR Image support for users.

HDR on PC is infamously bad, but it doesn’t need to be. Following the tumultuous few years after Microsoft introduced HDR to Windows ... out that you can’t watch HDR videos on YouTube.

The company actually introduced the Automatic High Dynamic Range or Auto HDR technology in Windows 10 preview builds back ... This is an SDR video simulating the Auto HDR effect.