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v1.16.1

parruda/swarmv1.16.1Jul 2, 2026by not4s

AI Summary

A maintenance release that fixes symlink handling in the jailer and resolves vsock connection timeouts after snapshot restoration.

Key Highlights

  • Reverted O_NOFOLLOW usage to allow symlinks in jailer paths
  • Fixed vsock guest-to-host timeout after snapshot restore

Full Release Notes

## Fixed

* [#5959](https://github.com/firecracker-microvm/firecracker/pull/5959): Reverted the use of `O_NOFOLLOW` for the jailer's cgroup and network namespace file operations, so symlinks are again allowed in these paths.
* [#5958](https://github.com/firecracker-microvm/firecracker/pull/5958): Fixed a bug that caused vsock guest-to-host connections to time out after snapshot restore, triggered by taking a snapshot with a TX descriptor in-flight. On restore the device now replays the TX queue notification so in-flight TX descriptors are re-processed and notification suppression is re-armed.