Umbraco-CMS v16.3.3 release notes

Viewing: Umbraco-CMS v16.3.3

Released: Friday, October 24 2025

Release notes for Umbraco-CMS v16.3.3

Released on: Friday, October 24 2025

NuGet Package: Umbraco.Cms v16.3.3

Quick install instructions This link leads to a site made by members of the Umbraco community, it helps make the installation of Umbraco a lot easier for you.
Upgrade guide

Other 2

#20602 Breaking change in FileSystemTreeControllerBase

status/regression

type/bug

area/backend

affected/v16

release/16.3.3

Issue by mattbrailsford created on Oct 22, 2025

#20592 Fails to run unattended upgrade on SQLite database

type/bug

state/reproduced

release/16.3.3

Issue by bjarnef created on Oct 21, 2025