This release includes improvements for bootc integration, CI modernization, and overall stability. It adds support for signed Composefs during layering, enhances rootless operations, and updates CI to CentOS Stream 10. Several fixes and documentation updates are also included. One major bugfix comes from updating libdnf in #5498, which resolves #5494 where rpm-ostree would fail to add subkeys when installing a package.
What's Changed
Remove /usr/local/man tempfile create by @henrywang in https://github.com/coreos/rpm-ostree/pull/5491
postprocess: create rpmdb symlink / macro earlier by @champtar in https://github.com/coreos/rpm-ostree/pull/5493
rechunker: Use podman unshare when rootless by @ckyrouac in https://github.com/coreos/rpm-ostree/pull/5487
ci: Import bootc setup action, use in a few jobs by @cgwalters in https://github.com/coreos/rpm-ostree/pull/5504
rechunker: Cleanup test state mid run by @ckyrouac in https://github.com/coreos/rpm-ostree/pull/5505
tree: Fix Rust 1.89 lifetime lint by @cgwalters in https://github.com/coreos/rpm-ostree/pull/5506
build-chunked-oci: Correctly label files by @alexlarsson in https://github.com/coreos/rpm-ostree/pull/5502
Support old-school signed composefs with bootc when layering by @alexlarsson in https://github.com/coreos/rpm-ostree/pull/5497
ci: Cut over c9s -> c10s by @cgwalters in https://github.com/coreos/rpm-ostree/pull/5513
tests: Update remaining stream9 references to stream10 by @jmarrero in https://github.com/coreos/rpm-ostree/pull/5516
man: add an entry for the update alias by @miabbott in https://github.com/coreos/rpm-ostree/pull/5515
tests: Increase disk size for container-image test by @jmarrero in https://github.com/coreos/rpm-ostree/pull/5518
ci: Use fcos stable to defer porting our tests to Fedora 43 by @cgwalters in https://github.com/coreos/rpm-ostree/pull/5523
build(deps): bump libdnf from 998efa8 to 8eadf44 by @travier in https://github.com/coreos/rpm-ostree/pull/5498
build(deps): bump slab from 0.4.10 to 0.4.11 by @dependabot[bot] in https://github.com/coreos/rpm-ostree/pull/5461
Release 2025.12 by @jmarrero in https://github.com/coreos/rpm-ostree/pull/5524
Full Changelog: https://github.com/coreos/rpm-ostree/compare/v2025.11...v2025.12