I run
V2.810.0000001.3.R.P9.4512.UN.NR, Build Date: 2020-06-08
on
DH-SD5A445XA-HNR
IVS rules drop in and out but auto tracking works
Dahua website lists
DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000012.0.R.210904
may try it out
I have a DH-SD5A445XA-HNR ,I do not have Motion Detection switched on, also my intrusion zone is set smaller as 50% of a moving object needs to cross the line to activate