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Darshan users,</div>
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<p>Darshan version 3.4.0 is now officially available for download here: <a href="https://www.mcs.anl.gov/research/projects/darshan/download/" id="LPNoLPOWALinkPreview">
https://www.mcs.anl.gov/research/projects/darshan/download/</a>. This release is a follow-up to our recent 3.4.0-pre1 pre-release, and we believe it is stable and ready for production use. In addition to features and bug fixes introduced in 3.4.0-pre1, this
full release includes the following bug fixes to Darshan libraries/tools:</p>
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<li>Fix segfault affecting new DARSHAN_MOD_DISABLE/ENABLE environment variables</li><li>Fix divide-by-zero condition that can potentially be triggered by new heatmap module</li><li>Fix potential MPI errors related to calling MPI_Type_size() on a user-supplied MPI_DATATYPE_NULL type (reported by Jim Edwards)</li><li>cuserid() is no longer the default method for determining username, and must be manually enabled at configure time</li><li>Fix backwards compatibility bug affecting darshan-3.0.0 logs in darshan-util C library functions used by PyDarshan</li><li>Suppress noisy output warnings when using darshan-job-summary.pl</li><li>Clarify units displayed by darshan-job-summary.pl (reported by Jeff Layton)</li></ul>
<p>We have also released PyDarshan 3.4.0.1 on PyPI, which includes a number of improvements:</p>
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<li>New Darshan job summary report styling
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<li>HTML job summary reports can be generated using: <code>python -m darshan summary <logfile_path></code></li></ul>
</li><li>Bug fix to heatmap module plotting code caused by logs with inactive ranks</li><li>Fix warnings related to Pandas deprecation of df.append</li></ul>
<p>Documentation for Darshan and PyDarshan is available here: <a href="https://www.mcs.anl.gov/research/projects/darshan/documentation/" id="LPNoLPOWALinkPreview">
https://www.mcs.anl.gov/research/projects/darshan/documentation/</a></p>
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<p>Please report any questions, issues, or concerns with this release using this mailing list, or by opening an issue on our GitHub:
<a href="https://github.com/darshan-hpc/darshan">https://github.com/darshan-hpc/darshan</a></p>
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Thanks!</div>
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--Darshan team<br>
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