Apparently default ULTRAKILL on Steam doesn't support Discord RPC on Linux, so you need to wine-discord-ipc-bridge. Proton 9.0-3 Distro:EndeavourOS Linux Kernel:6.11.9-arch1-1 RAM:8 GB GPU Driver:3.3 Mesa 24.2.7-arch1.1 GPU:Intel Mesa Intel HD 2000 (SNB GT1) CPU:Intel Core i5-2310...