Full change history since 2.0 (Release) is in the CHANGE_HISTORY.txt
This version is functionally-equivalent, to 2.1 (Release) and is considered a Release version and contains a fix to a threading issue that was causing creation of the functional block hierarchy to not work in Rhapsody 8.3.
#247 08-APR-2018: Fix threading issue crashing functional block hierarchy creation in 8.3 (F.J.Chadburn)
#248 08-APR-2018: Update copyright notice year to 2018 (F.J.Chadburn)