The current version of OpenZFS is 2.4.99 (as of 08/07/2026). patchletter checks the official source daily and emails you new releases.
OpenZFS at a glance
OpenZFS is the open-source implementation of the ZFS file system, providing checksummed, snapshot-capable, highly reliable storage on Linux and FreeBSD. OpenZFS ships regular releases plus fixes; as the file system holding your data, careful updates matter.
For admins OpenZFS usually comes from the distribution or the project's packages, and on Linux it involves a kernel module — so kernel and ZFS versions must stay compatible; check that before kernel upgrades, or a pool may not import. Update ZFS for fixes and features, but keep pool-version/feature-flag upgrades deliberate, since enabling new features can prevent importing the pool on older releases. Snapshots are a powerful safety net but not an off-box backup. After updating, run a scrub and verify pool health. Track the ZFS version against your kernel; patchletter surfaces new OpenZFS releases so data-integrity fixes aren't missed.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 2.4.99 | STABLE | 08/07/2026 | Release notes → |
Frequently asked questions
- What is the latest version of OpenZFS?
- OpenZFS 2.4.99, released 08/07/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the OpenZFS release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new OpenZFS updates?
- Tick OpenZFS off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new OpenZFS version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/openzfs)https://patchletter.com/badge/openzfs.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
