1. Hostname setting specifications changed

- Changed the specification to start with an English letter.

2. TextOSD improvements

- Fixed an issue where video would not display when TextOSD was set in a specific area.

3. PTZ Text OSD function added

- Changed the TextOSD to display using the Preset function.

3. UPnP function specifications changed

- Changed the specification so that UPnP port forwarding only works when IP-CCTVDNS is used.

4. Advanced Service performance improvements and stabilization

- A one-time initialization is required after a firmware update for stable operation.

5. Modbus operation stabilization

6. Stabilized Auto Focus integration with third-party NVRs (only applies to motorized zoom lenses)