flux-core v0.90.0

Published: Oct 7, 2026 by flux-framework

Download from GitHub here

Release Notes

rewrite flux-run-{prolog,epilog,housekeeping} in Python and restrict environment (#7832)
flux-sproc: add more information to ps output (#7826)
allow signal sent at job expiration to be overridden with --signal=SIG@0 (#7827)
sdexec: derive unique unit name from subprocess label (#7823)
job-manager: add queues.update jobtap callback (#7820)
broker: root jobid-path at the instance name (#7822)
flux-alloc/batch: use -o pmi=simple by default (#7805)

shell: require J to be signed by the shell’s user (#7833)
libsubprocess: enforce signing mechanism when request signing required in subprocess server (#7831)
fix sudo flux sproc failure on system instance (#7830)
job-exec: make shutdown with running jobs that escape cleanup deterministic (#7828)
job-manager: validate data from jobtap plugins and update and memo RPCs (#7817)
job-list: do not exit on invalid journal data (#7818)
gc: protect the empty-directory blob from sweep (#7810)
fix GPU id assignment in jobs run under resource containment (#7806)
libsubprocess: minor bug fixes (#7742)
libsubprocess: skip socketpair unless fork is used (#7804)
job-exec: reject exec.sdexec-constrain-resources,sdexec-properties when exec.service is not sdexec (#7802)

devcontainer: update to Noble and install pip (#7813)
github: bump the github-actions group with 4 updates (#7825)
fix several sdexec mapper documentation bugs (#7811)
doc: enhance header docs for flux_hostlist_nth() and flux_get_hostbyrank() (#7800)