2026.2 Series Release Notes

21.1.0

Bug Fixes

  • Fixes SELinux policy that prevented TLS from working on CentOS 10.

Other Notes

  • The version of cirros used by default is now 0.6.3 (instead of 0.5.3).

21.0.0

Upgrade Notes

  • Ubuntu 22.04 “Jammy” is no longer a supported operating system for running Bifrost. Please use 24.04 “Noble” instead.

  • The default Ubuntu deployment image release is now Noble. If you rely on the upstream deploy image defaults with upstream_deploy_image_distribution: ubuntu, update any explicit upstream_deploy_image_release overrides that were set to jammy.

  • Drops support for Ironic Staging Drivers. They have not been maintained for a long time.