Bug Fixes in this Version
| Internal Reference Number | Issue | 
| 4278764 | Description: Fixed the issue where a change in Open MPI (liboshmem_so_version updated from 70:3:30 to 70:4:31) caused a liboshmem.so SONAME change (from .40 to .39), breaking backward compatibility. | 
| Keywords: Open MPI; liboshmem; SONAME; backward compatibility | |
| Discovered in Release: 2.21.1 | |
| Fixed in Release: 2.21.2 |