The game will not start with error “unknown config option”.The game will crash at startup with a Vulkan error.The game will not start with error -2 / XR_ERROR_RUNTIME_FAILURE.The game will not start with error -32 / XR_ERROR_FILE_ACCESS_ERROR.The game will not start with error -13 / XR_ERROR_INSTANCE_LOST.The game will not start with error -35 / XR_ERROR_FORM_FACTOR_UNAVAILABLE.Disable OpenComposite for incompatible applications.Your SteamVR settings won’t matter anymore!.Always make sure you are running the latest version.Don’t install/use the Windows Mixed Reality (WMR) Portal and/or Tools if you don’t have a WMR device.Don’t use the legacy OpenComposite-ACC, aka v0.6.3.Be sure to grab the OpenXR version of OpenComposite.Understand the difference between Steam and SteamVR.How is it different from OpenXR Toolkit?.