I forgot to include a link to the official announcement of the change,
and that info might be helpful in navigating the different versions and
backwards compatibility:
https://www.open-mpi.org/community/lists/announce/2015/06/0069.php
Thanks,
David
On 02/26/2016 10:43 AM, David Shrader wrote:
Hey Edwin,
The versioning scheme changed with 2.x. Prior to 2.x the "Minor" version
had a different definition and did not mention backwards compatibility
at all (at least in my 1.6.x tarballs). As it turned out for 1.8.x and
1.6.x, 1.8.x was not backwards compatible with 1.6.x, so the behavio
