My firmware version:
DH-SD49425XB-HNR
V2.810.0000017.0.R.P9.2522.UN.NR, Build Date: 2020-11-23
WEBV3.2.1.984015
ONVIF19.12(V2.8.0.923968)
PTZV2.401.0000000.64.RHNZ_200219_34642
So I suspect it's possible to run auto-tracking, but this firmware version has been removed, so I need the previous...