"This revision fixes issues associated with working on several Apple* systems. No firmware changes were made from the previous release."
Unfortunately No details on which specific mac models were affected.
macOS Updates and also iOS/iPadOS/tvOS
Mini-ITX Hackintosh
Dual M.2 NVMeSSD PCIe Card(Mac Pro 5,1)
Apple Guides
Display Tips
LG OLED TV Firmware
LG OLED TV Tips
Audio/Home Theater Updates
TV, AVR, and Disc Player Tips