The second release candidate for Open-MPI v4.0.6  is now available for testing:

Fixes since the first release candidate include:

- Fix a problem when using Flux PMI and UCX.  Thanks to Sami Ilvonen
  for reporting and supplying a fix.
- Fix a problem with MPIR breakpoint being compiled out when using PGI
  compilers.  Thanks to @louisespellacy-arm for reporting.
- Fix some ROMIO issues when using Lustre.  Thanks to Mark Dixon for
- Fix a problem using an external PMIx 4 to build Open MPI 4.0.x.
- Fix a compile problem when using the enable-timing configure option
  and UCX.  Thanks to Jan Bierbaum for reporting.


Howard Pritchard
Los Alamos National Laboratory

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