Windows and Linux both only support L3, since L1 depends on hardware DRM support. The problem here is that Verified Media Path (VMP) is not supported on Linux.

Windows and Linux both only support L3, since L1 depends on hardware DRM support. The problem here is that Verified Media Path (VMP) is not supported on Linux. Amazon “solves“ this issue by restricting Linux to SD streaming, but it seems Disney+ doesn’t allow streaming without VMP at all.