Umbraco 13 has been a reliable Long-Term Support (LTS) release since its launch in December 2023. Like any CMS, it has a lifecycle, and it’s approaching an important deadline.
Umbraco 13 will reach End of Life (EOL) on December 14, 2026.
If your website is running on Umbraco 13, now is the time to start planning your next move.
What “End of Life” Actually Means
When Umbraco 13 reaches EOL, it won’t stop working, but it will stop being supported.
That means:
No more security patches
No more bug fixes
No more official support from Umbraco
Over time, this creates real risk. Unsupported platforms become increasingly vulnerable because newly discovered issues are never fixed.
Why This Matters More Than You Think
December 2026 might feel far away, but in reality, most organizations don’t have as much time as they think.
Here’s why:
1. The Timeline Is Shorter Than It Looks
Planning, scoping, and executing a CMS upgrade can take months, especially for complex sites with integrations and custom functionality.
2. Security Risk Increases Over Time
After EOL, vulnerabilities go unpatched, making your site a target for attacks.
3. Compliance Becomes a Concern
Running unsupported software can create compliance issues, especially for organizations handling sensitive data or operating in regulated industries.
4. Your Tech Stack Falls Behind
Umbraco 13 is built on .NET 8, which itself reaches end of support in November 2026, before Umbraco 13 officially hits EOL.
Upgrading Is the Only Real Path Forward
If you’re currently on Umbraco 13, the conversation shouldn’t be about if you upgrade. It should be about how and when.
Upgrading to a supported version ensures:
Ongoing security updates
Access to new features and improvements, such as the newly released Umbraco AI
Better performance and scalability
Alignment with the latest .NET ecosystem
More importantly, it positions your website to support future growth instead of holding it back.
How Marcel Digital Approaches Umbraco Upgrades
At Marcel Digital, we treat upgrades as an opportunity, not just a requirement.
We look at the bigger picture, so when you upgrade, your platform actually improves.
Our approach includes:
A technical assessment to understand your current setup and risks
Strategic planning aligned with your business goals
Optimization of performance, SEO, and content structure
Seamless execution to minimize disruption
Whether your site is relatively simple or highly customized, we ensure your upgrade is efficient, scalable, and built for what’s next.
Start Sooner, Get More Value
The earlier you begin your upgrade, the more you can take advantage of the process.
Instead of rushing to meet a deadline, you can:
Make smarter decisions about your platform
Improve functionality and user experience
Set your site up for long-term success
Final Thoughts
Umbraco 13 reaching End of Life isn’t something you can ignore, but it also doesn’t have to be a scramble.
At the end of the day, upgrading is about keeping your site secure, stable, and set up for what’s next. The longer you wait, the more complicated (and expensive) it tends to get.
That’s where we come in. At Marcel Digital, we help make the upgrade process straightforward, whether your site is simple or highly customized, and make sure you come out of it with something better than what you started with.
If you’re on Umbraco 13, now’s a good time to start planning your upgrade. Get in touch today.
