Darshan users, Darshan version 3.1.5 is now available for download here: ftp://ftp.mcs.anl.gov/pub/darshan/releases/darshan-3.1.5.tar.gz. The list of new features and bug fixes include: * Darshan’s MPI instrumentation method now intercepts both MPI and PMPI symbols to workaround MPI library bindings that are calling PMPI routines directly     - Contributed in part by Chris Zimmer * darshan-util now includes an analysis tool for visualizing DXT traces: dxt_analyzer     - Contributed by Alex Sim * Darshan now supports the DARSHAN_EXCLUDE_DIRS environment variable, which specifies a comma-separated list of paths to avoid instrumenting at runtime     - Contributed by Cristian Simarro * Darshan’s regression test system now includes test harnesses for Cray systems @ the ALCF (Theta) and NERSC (Cori/Edison) * Bug fix in Darshan’s shutdown procedure leading to potentially negative timer values * Bug fix in Darshan’s autoconf scripts causing specified libbz2 locations to be ignored     - Contributed by Glenn Lockwood * Bug fix in Darshan's wrapping of H5get_libversion that was causing linker failures in some cases - Reported by Jialin Liu * Bug fix in darshan-merge utility related to logs containing DXT data - Reported by Glenn Lockwood Please report any questions, issues, or concerns using this mailing list, or by opening an issue on the Darshan GitLab page (https://xgitlab.cels.anl.gov/darshan/darshan). Thanks! Darshan team