Umbraco CMS
Server AppUmbraco CMS 18 is the newest actively maintained release, currently at patch 18.1.1. 3 of 13 tracked cycles remain supported. The next cycle scheduled to reach end-of-life is 13, on December 14, 2026.
Support pattern
How Umbraco CMS has behaved across the cycles tracked here, rather than what its policy documents state. Useful for judging how much runway a version is likely to have before you commit to it.
Support windows are getting shorter: the most recent cycles run about 37 months less than the earlier ones.
Computed from release and end-of-life dates tracked for Umbraco CMS. Medians are used rather than averages so one unusually short or long release does not skew the figure. Cycles with no recorded end-of-life date are excluded from the support window.
Release lifecycle
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