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OCP 4.22 stabilization - #704
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This pull request stabilizes the OpenShift configuration specification version 4.22.0, which now targets Ignition specification 3.6.0, and introduces a new experimental version 4.23.0-experimental targeting Ignition 3.7.0-experimental. The changes include new schema definitions, translation and validation logic, and comprehensive documentation updates across release notes, upgrade guides, and specification lists. I have no feedback to provide as there were no review comments.
- Regenerate spec documentation - Update docs/specs.md to move 4.22.0 to stable and add 4.23.0-experimental - Update docs/upgrading-openshift.md for 4.21.0 to 4.22.0 migration - Update docs/release-notes.md to note stabilization and remove -exp suffixes
travier
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May 19, 2026
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But LGTM otherwise |
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yasminvalim
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Jun 26, 2026
OCP 4.22's Machine Config Operator does not support Ignition 3.6.0 (OCPBUGS-90256). Revert v4_22 to base/v0_6 (Ignition 3.5.0, undoing the stabilization in coreos#704).
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Document that 4.22.0 now targets Ignition 3.5.0 instead of 3.6.0, with references to the stabilization (coreos#704) and the MCO limitation (OCPBUGS-90256).
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Jun 29, 2026
OpenShift 4.22's Machine Config Operator does not fully support Ignition 3.6.0 yet (OCPBUGS-90256). Move v4_22 back to base/v0_6 and fcos/v1_6 and ignition/v3_5. We are doing this breaking change in a minor release as the stabilized spec that was released was unfortunately not working and thus there should be no configuration from this spec in use so far. What was moved back: - Permissions for `storage.trees` not available in openshift 4.22 (depends on base/v0_7 & fcos/v1_7, see: coreos#644) - Remove support for special mode bits (ignition/v3_6, see https://coreos.github.io/ignition/migrating-configs/#from-version-350-to-360) Fixes: coreos#704 Fixes: https://redhat.atlassian.net/browse/OCPBUGS-90256
This was referenced Sep 28, 2026
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Closes #702