flux-core v0.91.0

Published: Nov 3, 2026 by flux-framework

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Release Notes

jobtap: add flux_jobtap_dependency_check () for checking a dependency in a job (#7877)
shell: add support for PMI-1.2 and group barriers (#7862)
shell: factor out PMI kvs for use by other process managers (#7856)
support queue membership by hostlist (#7846)
python: add parse_timestamp() (#7853)
python: parse ISO 8601 basic format dates in parse_datetime (#7850)
sdexec: kill non-waitable units at module teardown (#7848)
Move counts from libjob into separate libresourcecount (#7841)
sdexec: move the broker rank in unit names (#7845)
flux-top: get queue conf from job manager (#7843)

broker: stop shutdown timer on entry to FINALIZE (#7891)
libresourcecount: validate min for ‘^’ operator and add libresourcecount_bounded_last () (#7889)
libsubprocess: check error paths (#7743)
shell: set HWLOC_THISSYSTEM=1 with hwloc.xmlfile (#7890)
job-manager: avoid posting redundant and failing dependency events (#7885)
job-manager: do not drop events when one fails to apply (#7881)
job-list: fix NULL dereference on unlikely error path (#7883)
sched-backfill: handle a permanently blocked head job due to down or drained nodes (#7869)
resource: fix shrink when acquire precedes resource-define (#7851)
shell: get instance owner from the IMP, and drop FLUX_* from IMP config examples (#7849)
add minor guest restrictions (#7844)
sdbus: conform to RFC 52 (#7839)
job-manager: implement config rollback on reload failure (#7838)