Roughly translated from the German forums:

Changelog for aquasuite 2015-3 to 2015-4

Bugfix: when more than one device is connected not all software sensors transmit correctly
Bugfix: the service is no longer supported on Windows 10 or the .NET Framework 4.6
Bugfix: displaying instruments could generate a memory leak under certain conditions
Bugfix: fan speeds from AIDA64 are now read with the correct unit
Bugfix: corrected errors in the controller curve representation

Firmware 2002 Aquaero 5/6 and aquaduct 360/720

Bugfix: error in start-up behavior of the curve controller when the first point of the curve was set greater than 0%
Bugfix: changed the default values ​​for the alarm timeout; changed from 10 to 20 seconds (prevents false alarms at start-up)
Fix: time display in the 12h time format was incorrect at 00:00 clock
Bugfix: pump in the aquaduct can not be controlled by data source
Bugfix: fixed partially incorrect selection marker in the device menu
Fix: the pump speed was cut off on the display

Kind regards,
Boris.