changelog: Add entry for signed OS-dependent sysexts

Signed-off-by: Daniel Zatovic <daniel.zatovic@gmail.com>
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Daniel Zatovic 2025-11-05 19:10:48 +01:00
parent 2eb0997167
commit f7a2e240ee

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- OS-dependent sysexts (e.g., docker-flatcar, containerd-flatcar) are now cryptographically signed using dm-verity roothash signatures. This enables stricter sysext policies via systemd-sysext and provides a foundation for verifying user-provided extensions in future releases. The format changed from squashfs to erofs-based Discoverable Disk Images (DDI). ([scripts#3162](https://github.com/flatcar/scripts/pull/3162))