================= V4.64-B3 =================

1. Change hostname setting specifications

 - Change the specification so that the first letter starts with an English letter

2. TextOSD improvements

 - Fixed an issue where the video would not appear when TextOSD was set to a specific area

3. Added PTZ Text OSD function

 - Fixed TextOSD to be displayed even with Preset function

3. UPnP feature specification change

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

4. Advanced Service performance improvements and stabilization 

 - One-time initialization is required after firmware update for stable operation.

5. Modbus operation stabilization

6. Stabilization with Auto Focus integration with third-party NVR (only for motorized zoom lenses)