What would be the best way to set it up on a raspberry pi, keeping in mind privacy & security?

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Yep, lots of posts pointed out that valve usually fixes these issues, but as of now even experimental does not solve the problem.

I believe EA Launcher is the problem, I tried to install it to steam and link me account, even tried on lutris. The ea app window briefly launches and then stops running (I made sure proton and wine compatibilities were met).

Unfortunately, that didn’t work. It’s the same issue as before.