https://github.com/FlaareZero/Kingdom_Hearts_Collection_Linux/blob/main/how_to.md https://github.com/KHOmega/KH-PC-and-Linux-Setup/blob/main/vanilla-linux-setup.md
The codec for prerendered cutscenes isn't baked in.
Okay, that's pretty lame. According to several spots (all quoting an RPGsite writer and an emoji response from a Sqenix dev) square Enix actually brought in a third party company specifically to improve Steam Deck support. Honestly makes sense, the steam deck seems like their largest potential new customer base.
