It's unlikely the SDT causes it. Which Proton version do you use?
I tried switching between proton hotfix, proton experimental and proton 9.0.
It's unlikely the SDT causes it. Which Proton version do you use?
I tried switching between proton hotfix, proton experimental and proton 9.0.
Use proton 8.X. The ones you mention can cause issues. Then report back when you do.