https://www.pcgamer.com/amds-radeon-1851-driver-adds-support-for-ryzen-apus-and-4k-netflix-streaming/ > AMD has begun dishing out is Radeon Software Adrenalin Edition 18.5.1 driver release with improved support for the April 2018 Update for Windows 10, along with support for PlayReady 3.0 and 'Raven Ridge' Ryzen APUs. > PlayReady 3.0 is a Microsoft DRM scheme that is required to stream Netflix content in 4K and HDR. This latest driver release unlocks that capability for Radeon RX 400 and 500 series graphics card owners.