2018-07-16 The new 188.8.131.52 firmware of 16. July 2018 is now available for download directly from your device.
ENH: Active Directory nested groups support (user1 in groupA, groupA in groupB, setting the OTP groups to "groupB" will add user1)
ENH: Enhanced AD/LDAP support for huge Microsoft Active Directory (much faster)
ENH: "Base DN" and "Users DN "are now two different parameters ("Users DN" is optional)