1. Fixed an issue where UNVR-5xxx backups would cut off mid-backup. 2. Fixed the display to match the maximum password input value for each recorder model. 3. Fixed an issue where only the I-FRAME was displayed during playback of the UDR-NH17xxD, causing it to appear cut off. 4. Fixed an issue where the DDIP-9xxx series' event recording playback would not advance to the next time zone. 5. Fixed an issue where VLOSS occurred when changing to split-screen mode after connecting to DNVR or DDVR. 6. Fixed an issue where the time would rewind each time the speed play button was pressed during DNVR playback.

1. Fix for the issue where SD recording data cannot be played back on UND-645AF/655AF

1. Fixed an issue where connection failed if the password contained special characters on DDVR-XX21/DNVR-61XX models. 2. Fixed an issue where connection failed when no cameras were connected to the DNVR-6xxx series.

1. Fixed problem with FF button remaining in DDIP-9xxx search

1. Added connection function for DDVR-XX21/DNVR-6XXX models 2. Added connection function for DDIP-9XXX series

1. Fixed an issue where audio was not output on channels 5 and above when connecting to the UDR-NH18xx series and receiving audio.

1. Corrected to move to a later time when selecting a time when there is no recorded data during SD recording playback.

1. Add new model name to list (UND-610 / NH18xx / JE27xx) 2. Fixed an issue where the playback time display would go back and forth during playback after connecting to the UDR-JA163x series. 3. Corrected so that web port is set for UDR-NH17xx/NH18xx/JE27xx models. 4. Fixed the issue where UDR-NH17xxD series could not perform bidirectional audio. 5. Addition of QR code scanning function for UDR-NH17xx/NH18xx/JE27xx models

1. Fixed an issue where Und-5xx/6xx SD recordings could not be played

1. UDR-NH17XXD/10XXD/15XXD/JE22XXD model screen hidden issue fixed 2. Add UDR-JA10XX, UDR-JE20XX, UNVR-J32XX/J5XXX web port items 3. Fixed the problem that UDR-JA16XX/JA163X, UNVR-J33XX ~ model PTZ speed change was not applied.

1. Add DDIPD-270/271AF, UND-6x5AF series IP Camera search function 2. Application of J32XX/J5000 search synchronization protocol 3. Added DDIP-221VD/231B equipment. (LIVE ONLY) 4. Change the order of the device list 5. Improved the problem that PTZ does not work on UNVR-J5000 series

1. UDR-33232 model connection function added 2. Added DDIPD IP Camera PTZ function. 3. Fixed problems related to double speed playback of UDR-JA16XX and UNVR-J3216A 4. UDR-NH17XXD/10XXD/15XXD/JE22XXD model name change and UDR-NH17XX model location change 5. Fix UDR-NH17XXD two-way audio problem 6. Problem with ID/PW being hidden in the registration window

1. Fixed audio cut-out issue on UDR-10XXD/15XXD/JE22XXD models

1. Fixed UDR-15XXD audio cutout issue 2. Fix UDR-NH17X model name error

1. Fixed the problem that the UDR-JA10XX model could not control the alarm 2. Change the device name to UDR-10XXD / 15XXD / JE22XXD / NH17XXD 3. UDR-NH17XXDAudioCodec change correction 4. Addition of UDR-JA16XX error message output function

1. Fixed a problem that channel 1 ptz cannot be used 2. Fixed the problem of 1-split video output of UDR-J75XX / J76XX / J77X / J78X / J9XX.

1. Addition of DDI PD-XXXIP camera connection function. 2. Added UNVR-J5XXX connection function. 3.Fixed JA16x series Audio Mapping problem

1. Fixed the problem that UDR-JA16xx and J33xx series cannot be connected.

1. Fixed an issue where images would come and go while searching with UDR-JA16xx

1. Fixed the problem that the QR code of UNVR-333X and UDR-163XX models could not be scanned. 2. Modify the QR code button 3. Change the model name to UNVR-J33XX / J332X => UNVR-J33XX~

1. Fixed the problem that the image does not appear when changing the screen division of UDR-JA16XX / JA163X and UNVR-J33XX / J332X models. 2. UND-5XX / 6XX model Added bidirectional audio function.

1. Improved the problem that the search date and time of UDR-JA16xx / UNVR-J33xx is displayed incorrectly.

1. Supports UDR-NH17xx series connection 2. Add a new model name to the device type selection item

1. Fixed an issue that caused an error regarding permissions when connecting to the UNVR-J33xx series.

1. Improved the problem that UNVR-J33xx and JA16xx series do not work due to permission settings when connecting with an account other than ADMIN.