OpenZFS 2.4.2 Released With Linux 7.0 Kernel Support, Many Bug Fixes

Written by Michael Larabel in Linux Storage on 12 May 2026 at 06:28 PM EDT. 59 Comments
LINUX STORAGE
For those making use of OpenZFS on Linux or FreeBSD, OpenZFS 2.4.2 is out today as the newest stable release of this ZFS file-system implementation.

Most notable with the OpenZFS 2.4.2 release is adding support for the stable Linux 7.0 kernel where as up to now the prior point release only supported through Linux 6.19. Support back to the distant Linux 4.18 kernel is maintained. On the FreeBSD side, FreeBSD 13.3 and newer continue working with this OpenZFS code.

OpenZFS 2.4.2 contains many fixes including around initramfs, supporting POSIX_FADV_DONTNEED, test suite fixes, continuous integration (CI) updates, some early Linux 7.1 fixes, greater SPDX license enforcement, and a number of Linux-specific code changes too.

OpenZFS logo


Downloads and the full list of OpenZFS 2.4.2 changes can be found via GitHub.

For those not yet on the OpenZFS 2.4 series but still with the prior 2.3 stable series, OpenZFS 2.3.7 is also now available with support through Linux 7.0 and carrying over many of the same fixes.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.

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