Devices / NAS & storage / OpenZFS ZFS filesystem

OpenZFS ZFS filesystem firmware

new version

Latest firmware: 2.4.4
Released: Aug 21, 2026
Category: NAS & storage
Last checked: Sep 14, 2026

How to update the OpenZFS ZFS filesystem

Read the release notes first — self-hosted projects break config and schemas between versions more often than appliances do.
Docker: pull the new image tag and recreate the container (`docker compose pull && docker compose up -d`).
Package or bare metal: update through your distribution's package manager, or replace the binary from the releases page.
Back up the config and database directory first. For most projects a downgrade is not supported once the schema has migrated.

Always download firmware from the manufacturer or project itself. Firmwarely links out; it never hosts firmware.

What changed

#### Supported Platforms - **Linux**: compatible with 4.18 - 7.2 kernels - **FreeBSD**: compatible with releases starting from 13.3+, 14.0+ #### Changes - [zfs-2.4.4] Add 'capsh' to commands.cfg - ZTS: device access tests #18960 - vdev_disk: use calling cred to check for device access #18960 - vd…

Manufacturer release notes ↗

Version history

2.4.4

Aug 21, 2026

FAQ

How do I update the OpenZFS ZFS filesystem?

See the step-by-step above. Open the NAS control panel, go to the update or system section, and install the new version. Back up important data first; NAS updates can take several minutes.

How does Firmwarely know when there's a new version?

Every night we read the manufacturer's official release page for the OpenZFS ZFS filesystem and record the version, date and changelog. If anything changed, subscribers watching this device get an email.

Is this an official OpenZFS page?

No. Firmwarely is independent. Device and brand names belong to their manufacturers; always download firmware from the official source.