Release 2024.3 * Release by @cgwalters in https://github.com/ostreedev/ostree/pull/3160 * libostree: write selinux xattr when on non-selinux systems by @mvo5 in https://github.com/ostreedev/ostree/pull/3151 * deploy: Honor prepare-root.conf at deploy time for composefs by @cgwalters in https://github.com/ostreedev/ostree/pull/3165 * sysroot: Rework /var handling to act like Docker `VOLUME /var` by @cgwalters in https://github.com/ostreedev/ostree/pull/3166 * ostree.repo-config(5): Fix a typo by @smcv in https://github.com/ostreedev/ostree/pull/3167 * Expose MOUNT_ATTR_IDMAP detection result to C code by @rborn-tx in https://github.com/ostreedev/ostree/pull/3169 * Drop tmpfiles var by @cgwalters in https://github.com/ostreedev/ostree/pull/3168 * prepare-root: Unify root.transient with composefs by @cgwalters in https://github.com/ostreedev/ostree/pull/3170 * docs/atomic-rollbacks: Add a section on rollbacks by @ericcurtin in https://github.com/ostreedev/ostree/pull/3171 * prepare-root: Switch to a tmpfs for transient root by @cgwalters in https://github.com/ostreedev/ostree/pull/3173 * Release 2024.3 by @cgwalters in https://github.com/ostreedev/ostree/pull/3172 * @mvo5 made their first contribution in https://github.com/ostreedev/ostree/pull/3151 * @rborn-tx made their first contribution in https://github.com/ostreedev/ostree/pull/3169 **Full Changelog**: https://github.com/ostreedev/ostree/compare/v2024.2...v2024.3