September 23, 2025 Security Advisory, Umbraco CMS Developer MCP now in Beta, UK Umbraco 17 Developer Day announced and much more...

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UMB.FYI 2025-09-24

Umbraco HQ

Security Advisory, September 23, 2025: Security Patches are now available (2 minute read)

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.

[ ] [ #security ] [ #umbracocms ]

Open Source, Security, and the Future of Digital Experience: Why Enterprises Can Have Both with Umbraco (30 minute read)

The Open Source, Security, and the Future of Digital Experience report argues open-source software isn’t inherently less secure; with governance, community oversight, and professional maintenance, it can match or surpass proprietary systems. Umbraco highlights its CMS as combining open-source flexibility with enterprise-grade security, scalability, and compliance.

[ #whitepapers ]

Community

Demystifying Umbraco Models Builder generated version attribute (1 minute read)

Umbraco Models Builder is a vital feature for Umbraco websites, generating "strongly-typed" C# classes that represent Document Types in the CMS. These models enhance development by being utilized in controllers and views. However, each generated class includes the current Umbraco version, which may impact version management.

[ #guides ] [ #modelsbuilder ]

Growcreate and UmbHost join forces to offer greener, more affordable hosting to the Umbraco community (2 minute read)

Growcreate, a Microsoft Azure solutions agency, has welcomed UmbHost, a leading independent Umbraco hosting provider, into its group. This partnership enhances Growcreate's portfolio with eco-friendly, cost-effective hosting options, offering the Umbraco community an alternative to Microsoft Azure. UmbHost will maintain its identity while benefiting from Growcreate's resources and expertise.

[ #hosting ]

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Events

umBristol Talks - September 2025

2025-09-25 from 18:00 to 21:00 (Europe/London) - Rock Solid Knowledge, C2, Vantage Office Park, BS16 1RS, Bristol, GB

[ ]

Manchester and North West Umbraco Meetup - AI Coding Tools Discussion

2025-09-25 from 18:30 to 20:30 (Europe/London) - Cantarus, Lower Ground Floor, Jutland House, 15 Jutland St, Manchester M1 2BE, Manchester, GB

[ #ai ]

UmbraCymru - Social Meetup, September 2025

2025-09-25 from 18:30 to 20:30 (Europe/London) - Method4, 12-14 Trade Street, Cardiff, CF10 5DT, Cardiff, GB

[ ] [ #social ]

Umbraco Community Hour - Virtual Meetup

2025-10-01 from 13:00 to 14:00 (Europe/Copenhagen) - Online

[ #social ] [ #virtual ]

Umbraco U.S. Festival 2025

2025-10-02 to 2025-10-03 - MHUB, 1623 W Fulton Street Chicago, IL 60612

[ #festivals ]

Umbraco Newcastle Meetup - Dev Jam Session

2025-10-02 from 18:00 to 20:00 (Europe/London) - Keel House, Garth Heads, Newcastle upon Tyne, GB

Umbraco Leeds Meetup - Autumn Contribution Challenge Hackathon

2025-10-02 from 18:30 to 20:30 (Europe/London) - Pixelbuilders, Tower Court, Armley Road LS12 2LY., Leeds, GB

[ #contributions ] [ #hackathons ]

Packages

Mevisto.Countdown

Flexible countdown/campaign bar for Umbraco 16.

[ #marketing ]

Umbraco.Community.BulkUpload

Enables content editors and site administrators to import large volumes of content using CSV files.

[ #backoffice ]

Social

SEOChecker for Umbraco V16 released

[ #packages ]

Join the Umbraco UK Foundation for Umbraco 17 Developer Day

[ #umbracocms ]

Developer MCP Server for Umbraco CMS is now in beta

[ ] [ #ai ] [ #umbracocms ]

Misc

Support Umbraco community member Tom Madden's Push-Up Challenge for cancer research

[ #community ]

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