Umbraco
The official profile for Umbraco - The Friendly OpenSource ASP.NET CMS. Managed by Umbraco HQ.
2025-09-24
📰 Security Advisory, September 23, 2025: Security Patches are now available
Andy Butland reports that moderate and low security vulnerabilities in Smidge, an upstream dependency for Umbraco 13.0.0 - 13.10.1, have been addressed with patches. Users are advised to upgrade to the latest version, while Umbraco Cloud projects will receive automatic updates. Further details are available in the release notes.
2025-09-10
🚨 [Breaking change]: Serverside generated preview URLs
Umbraco 17 introduces a new method for generating preview URLs through IUrlProvider implementations, replacing the previous internal and external preview URL generation methods. This change addresses the removal of SendingContentNotification in V14 and supports the demand for external previews. Custom URL providers must adapt to this new structure.
2025-06-18
📰 Umbraco 16 Release
Umbraco 16 is a focused release enhancing the editing and developer experience, serving as a precursor to Umbraco 17 LTS. Key features include a new customizable Rich Text Editor, property-level permissions, and improved backoffice accessibility. This version aims to streamline upgrades and provide a solid foundation for future projects.
📺 Unboxing Umbraco 16
Unboxing Umbraco 16 showcases the new CMS improvements: a modern Tiptap-powered rich‑text editor, property‑level permissions, rearrangeable fields, enhanced UI accessibility, and smoother upgrades—solidifying a polished and flexible editing experience
2025-06-11
2025-05-28
2025-05-07
📰 Umbraco 16 Release Candidate
Umbraco 16 introduces incremental improvements, including the exclusive use of the Tiptap rich text editor, property-level permissions, and content segment support. This release focuses on enhancing the editor experience and expanding extension points, while ensuring a straightforward upgrade process. The public release is scheduled for June 12, 2025.