Melissa and Igalia have been working with AMD and Valve in particular a lot on the AMD color management support, enabling HDR use-cases for Valve with the Steam Deck (OLED), and more. There’s also ongoing work within the GNOME camp around VRR, enabling HDR on the desktop, etc.
The pic of the Decks appear below that.
Not for me
I’m sceptical that Phoronix is sending you a different version of their article than what everybody else is seeing.