I've loaded successfully DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_V2.840.0000000.25.R.230425.bin on my IPC-T5442T-ZE from the Dahua website.
I was running before version 2.800.15OG004.0R with build date 2020-10-19.
Changes I noticed:
event -> new smart object detection
camera -> - conditions -...