The Open MPI Team, representing a consortium of research, academic, and 
industry partners, is pleased to announce the release of Open MPI versions 
3.0.6 and 3.1.6.

Version 3.0.6 can be downloaded from the Open MPI web site:
Version 3.1.6 can be downloaded from the Open MPI web site:

This is a bug fix release for the Open MPI 3.0.x and 3.1.x release streams. 
Items fixed in both releases include the following:

- Fix one-sided shared memory window configuration bug.
- Fix support for PGI'18 compiler.
- Fix run-time linker issues with OMPIO on newer Linux distros.
- Allow the user to override modulefile_path in the Open MPI SRPM,
  even if install_in_opt is set to 1.
- Properly detect ConnectX-6 HCAs in the openib BTL.
- Fix segfault in the MTL/OFI initialization for large jobs.
- Fix various portals4 control flow bugs.
- Fix communications ordering for alltoall and Cartesian neighborhood
- Fix an infinite recursion crash in the memory patcher on systems
  with glibc v2.26 or later (e.g., Ubuntu 18.04) when using certain
  OS-bypass interconnects.

Additionally, the following items are fixed in the 3.1.6 release:

- Fix issue with zero-length blockLength in MPI_TYPE_INDEXED.
- Fix PMIX dstore locking compilation issue.  Thanks to Marco Atzeri
  for reporting the issue.
- Fix issue to guarantee to properly release MPI one-sided lock when
  using UCX transports to avoid a deadlock.
- Fix potential deadlock when processing outstanding transfers with
  uGNI transports.


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