v2026.9.10.0 v1.16.2
high risk
qdm12/dnsSep 10, 2026 → Sep 10, 20260 days between releases
What's New
Snapshot format version bumped causing incompatibility with previous versions while fixing critical virtualization bugs.
Breaking Changes
- Snapshot format version bumped; snapshots created by this version cannot be loaded by 1.16.0 or 1.16.1.
New Features
- CLIRD_EL1 override gate available on host kernels 6.10+
- vsock RX delivery fixes
- virtio-mem mapping fixes
- Logger deadlock fixes
- KVM CPUID/MSR fixes on Linux 6.13+
Improvements
- Agent uses TanStack transcript virtualization for performance
- Channel rail composition refactored
- Snapshot format version bumped
Bug Fixes
- Logger deadlock caused by SIGPIPE signals
- vsock RX delivery hanging after pause/resume
- virtio-mem leaving unplugged memory writable
- KVM behavior issues with CPUID and MSR reading
- Calendar organizer named instead of address
Upgrade Notes
Recreate all snapshots as the format version has changed. Ensure your host kernel is at least 6.10 if utilizing CLIRD_EL1 override features.
The Two Releases
v2026.9.10.0
v2026.9.10.0
Sep 10, 2026· 1 month ago
This release updates the new app views, enhances CRM functionality with role-gated endpoints, and restructures the email handling system.
Full release notesv1.16.2
Firecracker v1.16.2
Sep 10, 2026· 1 month ago
This patch release fixes critical bugs in vsock, virtio-mem, and the logger, while bumping the snapshot format version which introduces incompatibility with previous versions.
Full release notes