The Open MPI Team, representing a consortium of research, academic, and 
industry partners, is pleased to announce the release of Open MPI version 1.8.1.

*** This release includes a single critical bug fix for users who run MPI jobs
    as the "root" user.  It is otherwise identical to the Open MPI v1.8 release.
    See for more details.

Version 1.8.1 can be downloaded from:

Note that v1.8.2 is expected to be released within the next few weeks, and will 
contain the usual bug fixes and end user-suggested improvements.  The Open MPI 
team felt that this critical bug warranted an immediate release, but did not 
want to interrupt the normal post-v1.8 bug fix/improvement schedule already in 
progress.  Hence, we are releasing v1.8.1 with this one critical bug fix, and 
keeping on track with all other fixes for the next release in a few weeks.

If you do not run Open MPI jobs as root, you do not need the v1.8.1 release; 
you can wait for v1.8.2.

As usual, MPI application ABI will be preserved through the v1.8.x series.

Jeff Squyres
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