You can always find the latest changelog (appropriate to the version installed) in locations:
C:\Program Files (x86)\Fluke Process Instruments\DataTemp_ES
C:\Program Files (x86)\Fluke Process Instruments\DataTemp_EC
C:\Program Files (x86)\Fluke Process Instruments\DataTemp_GS
C:\Program Files (x86)\Fluke Process Instruments\DataTemp_TF
etc