v1.16.2 v1.17.0
kyutai-labs/hibiki-zeroSep 10, 2026 → Sep 10, 20260 days between releases
What's New
Adds Linux 6.18 and Graviton5 support, plus transparent huge pages and vsock performance improvements.
New Features
- Support for Linux 6.18 guest kernels
- Support for AWS Graviton5 instances
- Transparent huge pages support for guest memory
- bzImage support for x86_64 guest kernels
- Support for virtio device reset
Improvements
- vsock performance optimizations (up to 50% CPU reduction)
- Host kernel performance fix for CLIRD_EL1 override
- Transparent huge pages support for guest memory
Upgrade Notes
Ensure guest memory is a multiple of 2MB when enabling transparent huge pages. The snapshot load API now includes a `huge_pages` field. New metrics fields `emit_id` and `properties` can be configured via PUT /metrics or config files.
The Two Releases
Firecracker v1.16.2
Sep 10, 2026· 1 month ago
A maintenance release that fixes regressions in v1.16.0 and v1.16.1, specifically addressing vsock RX suppression, virtio-mem mapping issues, and a logger deadlock.
Full release notesFirecracker v1.17.0
Sep 10, 2026· 1 month ago
Adds support for Linux 6.18 guest kernels and AWS Graviton5 instances, along with performance improvements for vsock and new options for transparent huge pages and snapshot creation.
Full release notes