AMD driver work ongoing to help Halo Infinite on Linux and Steam Deck
Developer Bas Nieuwenhuizen has a new blog post up about some of the work going into the radv AMD GPU driver on Linux, and they're taking steps towards doing "A driver on the GPU" which should help Halo Infinite get working.
Anticheat check - which competitive games actually work on Linux?
How to give Valve feedback when Proton games have issues on Linux / SteamOS