The official profile for Umbraco - The Friendly OpenSource ASP.NET CMS. Managed by Umbraco HQ.
Matt Brailsford announces a security patch for the Umbraco.AI package, addressing a vulnerability in versions 1.0.0 through 1.13.x. Users are urged to update to version 1.14.0 or later. The patch enforces strict configuration reference resolution, enhancing security by restricting access to sensitive information. Further details are available in the GitHub Security Advisory.
Arnold Visser discusses recent updates in Umbraco Cloud that enhance long-term project management for agencies. New features include Traffic and Performance Insights, Hostname Monitoring, Custom Error Pages, and improved security measures. These updates aim to support scalability, stability, and client confidence, with more developments expected at Codegarden 2026.
Umbraco 18 introduces the Elements feature for managing reusable content, typed OpenAPI schemas for enhanced API integration, and replaces Swashbuckle with Microsoft.AspNetCore.OpenApi. The release also includes various performance improvements, backoffice enhancements, and community-driven features. Users are encouraged to test the Release Candidate and report any issues. Written by Andy Butland.
The Umbraco Developer Relations team announced a revamped website featuring a new design, structure, and content, built on Umbraco vLatest and Umbraco Cloud. The site is now open source for community members to contribute ideas. Further updates will follow post-Codegarden.
At Digital Excellence 2026, Jeppe Birkebæk Truelsen demonstrated how Umbraco enables membership organizations to scale content while maintaining brand voice and data security. By implementing a governance layer for AI, organizations can define boundaries and retain control, ensuring AI acts as an assistant rather than a decision-maker, fostering accountability and trust.
Bernadet Goey transitioned from a decade-long career as a PHP specialist to becoming a confident Umbraco Developer at ilionx. Emphasizing the importance of full immersion and community support, she reflects on overcoming challenges and aims to inspire new developers, particularly women in tech, through workshops and knowledge sharing.
Umbraco Forms 19 removes the bootstrap3-horizontal theme, which was incompatible with Bootstrap 4 and 5, as Bootstrap 3 reached end-of-life in July 2019. Developers are advised to create custom themes for their Bootstrap versions. The change reduces maintenance and avoids misleading developers regarding theme compatibility.
In Umbraco Forms 19, the Date field type transitions from using Pikaday and Moment.js to a native <input type="date">, enhancing performance and simplifying model binding. This change eliminates hidden shadow fields and third-party dependencies, ensuring consistent ISO date formatting across browsers. Custom themes must be updated accordingly.
Umbraco Forms 19 removes the jQuery Validation alternative, making aspnet-client-validation the sole supported client-side validation framework. The legacy umbracoforms-conditions.js is also deleted, simplifying maintenance and eliminating jQuery dependencies. Users must update their sites to restore @Html.RenderUmbracoFormDependencies(Url) and remove jQuery validation scripts.
Umbraco 18 transitions OpenAPI document generation from Swashbuckle.AspNetCore to Microsoft.AspNetCore.OpenApi, updating the spec from 3.0.4 to 3.1.1. This change affects client generation, customization, and serving of OpenAPI documents, requiring users to adapt their configurations and possibly migrate to the new library or retain Swashbuckle directly.
The Umbraco UI Library (UUI) 2.0, set for stable release in June 2026, consolidates 84 npm packages into a single @umbraco-ui/uui package, aligning with the updated Umbraco styleguide. The changes primarily affect projects directly installing UUI, while most users will experience no code changes.
Umbraco HQ announces the integration of a Business Track into Codegarden, featuring ROI, digital transformation, and high-level strategy discussions. Attendees can participate for one or both days, making it accessible for busy professionals. This initiative aims to highlight the conference's relevance for business leaders alongside developer talks.
Phil Whittaker discusses the development of Implementation Agent Skills for Umbraco, aimed at surfacing "quiet standards" to enhance CMS project quality. By consolidating community knowledge, these skills will guide developers in best practices without enforcing rigid rules, ultimately improving project outcomes and fostering a sustainable knowledge base within the Umbraco ecosystem.
Will Steed, a Junior Software Engineer at Simon Antony Ltd, transitioned from traditional education to hands-on development, becoming an Umbraco Certified Master at just 16. His journey highlights the importance of community engagement and practical experience in tech, as he actively contributes to projects and builds useful packages within the Umbraco ecosystem.
Umbraco HQ utilizes Umbraco Cloud for approximately 95% of their clients, enabling rapid site deployment and reducing project time and costs. This stable hosting solution allows developers to focus on client-specific needs rather than server maintenance, often leading to better outcomes compared to self-supported solutions.
The Umbraco Awards 2026 will showcase exceptional projects across various categories, including Best Accessibility & Security Solution, Best Cloud Solution, and Best Innovation with AI. Nominees include Infocaster BV, Cyber-Solutions Software GmbH, and Knowit Experience. Winners will be revealed live at Codegarden 2026, celebrating the community's creativity and talent.
Umbraco 18 standardizes EF Core naming to “EFCore,” fixing inconsistent casing (e.g., EfCore). This breaking change affects APIs and binaries. Developers must update code to the new casing to avoid compilation or runtime issues
Bolette Kern introduces the Umbraco in AI Community Team and Advisory Board, comprising 27 experts dedicated to enhancing AI integration in Umbraco. Their mission focuses on developing practical AI tools and improving editorial workflows, ensuring AI solutions meet real user needs while fostering creativity and efficiency in content management.