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FreeCORE TrueNAS Core – Continued

2026-08-30 | original

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Why This Matters

FreeCORE TrueNAS Core 15.0-U1 offers a stable, independently maintained operating system based on FreeBSD 15 and OpenZFS, providing users with a reliable upgrade path from TrueNAS CORE 13.3. Its development signifies continued community-driven innovation in open-source storage solutions, independent of corporate sponsorship. This development enhances the flexibility and longevity of FreeNAS/TrueNAS-based systems for both consumers and the tech industry.

Key Takeaways

FreeCORE 15.0-U1 is a stable release, ensuring reliable performance for users.
It allows seamless in-place upgrades from TrueNAS CORE 13.3, simplifying system updates.
FreeCORE is an independent project, fostering community-driven development outside corporate influence.

15.0-U1 is stable. TrueNAS CORE 13.3 systems upgrade straight to 15.0 in place, then continue on the project’s update train.

FreeCORE carries the TrueNAS CORE 13.3 system forward as an independently maintained operating system on FreeBSD.

FreeCORE descends from FreeNAS and TrueNAS® CORE, and builds on FreeBSD and OpenZFS .

FreeBSD® 15 · OpenZFS

© 2026 The FreeCORE Project Team.

FreeCORE is an independent fork of TrueNAS® CORE 13.3, rebased on FreeBSD 15 after upstream development of CORE ended.

FreeCORE is an independent project, not affiliated with, sponsored by, or endorsed by iXsystems, Inc. or The FreeBSD Foundation. TrueNAS® is a registered trademark of iXsystems, Inc. FreeBSD® is a registered trademark of The FreeBSD Foundation.

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