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TrueNAS SCALETrueNAS Nightly Development Documentation
This content follows experimental nightly development software. Pre-release software is intended for testing purposes only.
Use the Product and Version selectors above to view content specific to a stable software release.

25.04 (Fangtooth) Development Notes

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25.04 Fangtooth


This page tracks the latest development roadmap and notes for the future TrueNAS major version 25.04 (Fangtooth).

See the stable 24.04 (Dragonfish) or early development 24.10 (Electric Eel) release notes for information relating to that version.

Features

This page is being updated to follow development changes for TrueNAS 25.04 (Fangtooth). Check back soon for updates.

Release Schedule

The release names and dates provided here are tentative and can change at any time.

SCALE™ | Enterprise™

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Software Lifecycle

TrueNAS Quality Lifecycle

TrueNAS releases follow a general adoption guideline for their lifetime. Starting with the NIGHTLY builds, each stage of a major release incorporates more testing cycles and bug fixes that represent a maturation of the release. With each version release stage, users are encouraged to install, upgrade, or otherwise begin using the major version, depending on the specific TrueNAS deployment and use case:

Release StageCompleted QA CyclesTypical UseDescription
NIGHTLY0DevelopersIncomplete
ALPHA1TestersNot much field testing
BETA2EnthusiastsMajor Feature Complete, but expect some bugs
RC4Home UsersSuitable for non-critical deployments
RELEASE6General UseSuitable for less complex deployments
U17Business UseSuitable for more complex deployments
U2+8Larger SystemsSuitable for higher uptime deployments

The Software Status page shows the latest recommendations for using the various TrueNAS software releases.

25.04 Nightly Development Changelog

Coming soon