The Polaris cards are being partially supported in Sierra right now, and more good news is on the horizon for RX 480 owners. I downloaded the latest Beta 10.12.1 which will probably be an update coming soon for the public, and the AMD4000kext that we were using in testing is still there however the FB we were using Baffin was moved to a new AMD4100kext. I successfully used the device ID change from 67EO1002 to 67DF1002 we have been using prior in Baffin (4100kext) and the fix works, in...
AMD RX 4XX graphics cards in Sierra.
AMD RX 4XX graphics cards in Sierra.