PolyMC VS steam-deck-windows-usermode-driver

No, not really. No one was in charge at the beginning. It was a community project with multiple people having the administrative role at the same time. LennyMcLennington was one of the contributers, but not really an important one. But he removed the administrative rights from the actually important people. Devs like flowln and Scrumplex played a much bigger role. Even after half a year being the only developer at the PolyMC-Project Lenny still heasn't caught up with what other conributers had done in a few months before. See: https://github.com/PolyMC/PolyMC/graphs/contributors

Could I suggest trying a different launcher such as PolyMC? You can get this on deck in Linux linkand sign into your microsoft account to access Java. This version also has the benefit of you being able to get modpacks.

It's still open source, the repo hasn't moved. https://github.com/PolyMC/PolyMC/

The issue is: the main developer freaked out, made a post ranting about political bs, kicked everyone from the GitHub project and now it's been 2 months since it hasn't been updated. The developers who used to contribute to "PolyMC" moved from the "PolyMC" project to the "PrismLauncher" one after the drama.

There was no prompting or provocation towards lenny at all. The code of conduct existed for ages before lenny deleted it on oct 17 2022: https://github.com/PolyMC/PolyMC/commits/358f080c76dbdfc65f32e08448a5e38b78d2bab0/CODE_OF_CONDUCT.md

PolyMC: https://polymc.org/

for polymc literally yes git commit (got deleted but title is there)

First, it's gio that handles trash in SteamOS. Second, after digging into PolyMC's code, it also leverages trash. Was added roughly 7 months ago in this commit: https://github.com/PolyMC/PolyMC/commit/02f30de1c11fa53e61c199032a3280afe618e3b2

Can't you just run the beta Steam Big Picture on startup and run SWICD for controller support outside of Steam and get 90% of default SteamOS functionality?

You'll probably want to ask on r/WindowsOnDeck to get a better response, but I think there are two basic routes to try here. One is to try to force the Steam overlay to work with something like GloSSI or OSOL. The other is to use 3rd party drivers for the Deck's controls.

Or you can try SWICD or GlosSI

To get the controller working with Sunshine in Gaming Mode use this driver: https://github.com/mKenfenheuer/steam-deck-windows-usermode-driver

Steamdeck Windows Controller Driver

Hey I use this on battle net version on steamdeck and I was getting what you've been when I didn't use it