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flux-pmix v0.9.0

Published: Nov 4, 2026 by flux-framework

Download from GitHub here

Release Notes

flux-pmix version 0.9.0 - 2026-11-04

New Features

  • plugin: share the node topology with clients (#157)
  • plugin: avoid deadlock on log upcall error path (#158)
  • plugin: implement server callback for PMIx_Log() (#156)
  • add a wire protocol capture shim and wireshark dissector (#150)

Fixes

  • plugin: abort if runtime major version differs from build time (#164)
  • plugin: fix occasional MPICH MPI_Init() failure with “fence over proc subset is not supported” (#161)
  • plugin: offer only pmix.auth=native by default (#159)
  • plugin: improve compliance with the PMIx Standard (#154)

Build/CI/Test/Documentation

  • doc: bring guide pages up to date and cut README (#165)
  • testsuite: cover MPICH built –with-pmix (#163)
  • ci: label the el8 row as the TOSS 4 builder (#162)
  • ci: add coverage for mixed client/server openpmix versions (#160)
  • testsuite: improve test resilience, trim extra tests (#155)
  • doc: cover -o pmix.auth=none (#151)
  • doc: add notes about pmix version interoperability (#149)