Attempting to Capture a new thumbnail from scene using VRC SDK fills the console with

"This GfxDevice does not support asynchronous readback UnityEngine.Rendering.AsyncGPUReadback:Request()"

using OpenGL 4.5 (defaulted to using OpenGLCore) changing editor platform to Vulkan on Linux fixes the errors, and allows the camera to Async readback properly, unsure if it causes other issues with uploading though

EDIT: Avatars upload fine under Vulkan and OpenGL, Worlds work on neither OpenGL or Vulkan