Model(Hardware): 
TEW-755AP(v1)
TEW-821DAP(v1/v2)
TEW-825DAP(v1)
TEW-826DAP(v1)
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Utility Version: 1.60
Release Date: 10/2018
OS Compatibility:
Windows® 10, 8.1, 8, 7, Vista, XP, Windows® 2003/2008 Server
-Fixed issue uploading AP configuration files
-Fixed issue upgrading firmware 1.07B07 to 1.08B04 on model TEW-821DAP H/W:v1.XR
-Added support for TEW-826DAP H/W: v1.XR
*Any previous AP utility versions must be completely uninstalled before installing version 1.60 or above.*
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Utility Version: 1.50
Release Date: 9/2017
OS Compatibility:
Windows® 10, 8.1, 8, 7, Vista, XP, Windows® 2003/2008 Server
-Fixed bugs in user interface.
-Added capability to configure NTP server, time zone, DNS, 802.1x, 802.11k settings
-Added capability to configure channel width, bandwidth control, RSSI scanner, transmit power settings
-Added display status if discovered access points are managed by wireless controller
-Added capability to load configuration settings from a backup file to multiple access points. 
-Added capability to reset multiple access points to factory default.
-Added capability to export access point list to editable .csv, and load channel settings from .csv file
(.csv capability requires TEW-755AP FW:1.04 or above, TEW-821DAP FW:1.06 or above, TEW-825DAP FW:1.02 or above)
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Utility Version: 1.20
Release Date: 12/2016
OS Compatibility:
Windows® 10, 8.1, 8, 7, Vista, XP, Windows® 2003/2008 Server
-Added access point monitoring
-Added client monitoring
-Added traffic statistics
-Added band steering setting
-Added client isolation/separate stations setting
-Added VLAN setting
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Utility Version: 1.00
Release Date: 8/2015
OS Compatibility:
Windows® 8.1, 8, 7, Vista, XP, Windows® 2003/2008 Server
-Initial Release