The latest release of OrcaFlex 10.3 is OrcaFlex 10.3e.
The new features introduced in OrcaFlex 10.3 can be viewed online in the OrcaFlex help file. The OrcaFlex 10.3 help file can also be downloaded:
To upgrade to OrcaFlex 10.3e from 10.3a, 10.3b, 10.3c or 10.3d, download the following ZIP file:
and execute the .msp patch file that it contains.
A more in depth discussion of the major new features introduced in 10.3 is available in the news section.