And in a subsequent reply, he seems to confirm that it’s part of BIOS updates for all intel generations.
I don’t know if it applies to the USB-A issue, but for some issues where a few people still have problems when it’s supposed to be fixed, I think I recall mention that it could be due to component tolerance on the particular mainboard. Not that a part is “defective” / out of tolerance, but further from the target than most.