some users reported that DX11 worked for them, however Vulkan stopped working for almost everyone
Can confirm. Vulcan version crashes with vkCreateGraphicsPipelines and vkCreateComputePipelines assertions. DX11 version works fine with Proton 8.0-4.
I'm running Fedora 38 and flatpacked version of Steam. GPU is integrated AMD graphics.
Edit: a little bit strange is that right after patch 4 arrived everything was fine. The game broke after next small update or something like that.
