Released Jul 27th, 2022.
Build 22A5311f.
Ok on my Skylake/HD520 Latitude E7270 with exact same/unmodified Clover r5148 setup previously used for 13.0 beta 3.
Status recap:
graphics acceleration with some minor defects
brightness control
touchscreen
HDMI output
mini-DP output
audio (incl. HDMI & DP audio)
LAN
wireless & Bluetooth (BCM9460CS2)
touchPad
USB ports
sleep & wake
SD card reader