For those of you experiencing slow times I was experiencing slow times for my Sapphire Radeon Pulse RX580 (56 secs) so I did a little experimenting under the assumption the IGPU was being used alone in this test. I changed the device ID in properties to Ox3E910003 (from which is a connectorless ID for Coffee Lake from post
#2 in
https://www.tonymacx86.com/threads/guide-intel-framebuffer-patching-using-whatevergreen.256490/
My times were reduced to 14 seconds while still preserving Quicksync and Airplay etc. I'm still learning about how all this works so I'm interested in any comments about what is happening here. I'm currently using the new versions on Lilu and Whatevergreen.....