Hallo Mald0n, need your help edit dsdt on Z390 UD + Sapphire Nitro+ RX 580 8gb running Catalina. I already follow your step to install macOS Catalina, but PCI system information not showing any information (sleep, shutdown, restart etc not working) Thank you!
file send_me (run app) :
http://s000.tinyupload.com/index.php?file_id=64040872027944174571