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Umbraco
June 2026: Umbraco.AI got its first advisory, and the patch breaks your config
Umbraco.AI 1.0.0 through 1.13.x carry a moderate information-disclosure flaw and the 1.14.0 fix is a breaking change. Plus Umbraco 18 and Elements, uSync v18, and 14 December 2026 on Umbraco 13.
Umbraco
April 2026: the most useful thing Umbraco shipped was two API endpoints
Umbraco 17.4.0 exposed JSON Schema for data types and document types, which is what makes programmatic content writing verifiable. Around it: four Umbraco.AI add-ons in beta, uSync 17.3.0's version jump, and a preview-URL auth bypass.
Umbraco
February 2026: Umbraco's AI answer is a governance layer, not a feature
Umbraco shipped Umbraco.AI (open source, provider-agnostic) and Umbraco Compose (commercial SaaS) in the same month. What each one costs you, plus the 13 to 17 upgrade 403 and uSync 17.0.4.
Umbraco
December 2025: patch Umbraco 13, then read the advent calendar
Umbraco 13.0.0-13.12.0 got a moderate security patch on 9 December. Everything else the month produced came from 24 Days in Umbraco, plus a new Enterprise bundle and a Q1 2026 date for Compose.
Umbraco
November 2025: Umbraco 17 LTS shipped, and the packages were ready the same day
Umbraco 17 LTS landed on 27 November on .NET 10, with three years of support. uSync 17.0.0 and Clean Starter Kit v7 shipped the same day. The community had a harder month than the product did.
Umbraco
September 2025: the MCP server moved in-house and Smidge needed a patch
Umbraco's September 2025: a security patch for Umbraco 13 through the Smidge dependency, the Developer MCP Server beta moving into Umbraco's own namespace, two uSync patches, and the 2026 price list read after the fact.
Umbraco
August 2025: agents got write access to the backoffice
Four of the month's eleven Umbraco items are about MCP and AI. An agent built an element type from a single prompt, Umbraco Commerce got an MCP proof-of-concept, and the only post that said anything about who should be allowed to do that was a uSync patch note.