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Long-term Support & End-of-Life for Umbraco

Umbraco is designed for stability and predictability, on Umbraco Cloud and on-premises. We run a predictable release cadence to ensure continuous development and are transparent about our EOL timeline, to make it easy for you to plan ahead

Umbraco
Schedule

Active Releases

Version

Release Date

Release Type

Security Phase

End-of-Life

Umbraco 17

Nov 27, 2025

LTS

Nov 27, 2027

Nov 27, 2028

Umbraco 13

Dec 14, 2023

LTS

Dec 14, 2025

Dec 14, 2026

Umbraco 16

Jun 12, 2025

STS

Mar 12, 2026

Jun 12, 2026

Schedule

Upcoming Releases

Version

Release Date

Release Type

Security Phase

End-of-Life

Umbraco 18

Jun 25, 2026

STS

Mar 25, 2027

Jun 25, 2027

Umbraco 19

Dec 10, 2026

STS

Sep 10, 2027

Dec 10, 2027

Umbraco 20

Jun 24, 2027

STS

Mar 24, 2028

Jun 24, 2028

Umbraco 21

Dec 9, 2027

LTS

Dec 9, 2029

Dec 9, 2030

Schedule

End-of-Life / End-of-Support

Version

Release Date

Release Type

Security Phase

End-of-Life

Umbraco 15

Nov 14, 2024

STS

Aug 14, 2025

Nov 14, 2025

Umbraco 14

May 30, 2024

STS

Mar 2, 2025

May 30, 2025

Umbraco 12

Jun 29, 2023

STS

Mar 29, 2024

Jun 29, 2024

Umbraco 11

Dec 1, 2022

STS

Sep 1, 2023

Dec 1, 2023

Umbraco 10

Jun 16, 2022

LTS

Jun 16, 2024

Jun 16, 2025

Umbraco 9

Sep 29, 2021

STS

Sep 16, 2022

Dec 16, 2022

Umbraco 8

Feb 26, 2019

N/A

Feb 24, 2024

Feb 24, 2025

Umbraco 7

Nov 21, 2013

N/A

Jul 31, 2021

Sep 30, 2023

Umbraco 13 End-of-Life


STS: Standard-term Support

LTS: Long-term Support

All versions earlier than Umbraco 7 are no longer supported

Phases

The Lifecycle of Major Releases

1

Active Phase

A Major version is in this phase for the first 6 months. During this time, minor releases are shipped every 6 week including minor features and bug fixes - no breaking changes.
2

Support Phase

This phase fixes bugs, regressions, and security issues. New Cloud projects are allowed. It lasts 3 months, or 18 for LTS, with fixes, compatibility patches, and security updates.
3

Security Phase

In this phase, only security issues are fixed. This phase lasts 3 months, or 12 for LTS majors. After this, the release is End of Life, and it is no longer recommended.
LTS and EOL (2).png

Umbraco is aligned with Microsoft .NET LTS

When a new .NET Long-Term Supported (LTS) version is available, a new Umbraco Major LTS is released shortly after. The goal is to offer you a platform that is supported and secure for as long as possible. The most recent LTS is Umbraco 17, supporting .NET 10 LTS.

Versioning and release cadence

Extended Long-term Support (XLTS)

Keep your Umbraco projects secure and compliant past the End-of-Life date with XLTS for Umbraco. Available for LTS versions

Stay secure past EOL
LTS & EOL

Umbraco Add-ons

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We have aligned version numbers for Umbraco Forms, Commerce, Workflow, Engage, UI Builder, and Deploy with the CMS, ensuring transparent compatibility. The add-ons follow the same LTS timeline as the CMS, meaning your .NET, Umbraco CMS, and Umbraco HQ add-ons are all supported for longer when you opt for an LTS release.

End-of-service

Umbraco Cloud

Umbraco Office Whiteboard 4961 × 3307Px

By default, all new Umbraco Cloud projects are created using the latest LTS version of Umbraco CMS. During project creation, you can choose any Umbraco version that is still within its active support phase. Versions in Security or EOL phases can’t be used for new projects or baselines. Existing EOL projects may remain hosted under Umbraco Cloud’s End-of-Service policy.

See End-of-Service Policy

The Umbraco CMS Release Cadence

How does the Umbraco versioning work? And how often can you expect a new release of Umbraco CMS - and what kind of releases?

Get the overview here

What Umbraco product is relevant for you?

We offer a wide range of products and services to support your needs and help you succeed with your digital project.

Discover what Umbraco can do for you