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Deadline for TYPO3 Updates: Why You Should Check Your Support Periods Now

April 21, 2026 marks a turning point in the TYPO3 universe. While the community celebrates the release of the new TYPO3 v14.3 LTS, the clock is ticking for many existing installations: With the release of the new version, regular, free support for version 12.4 LTS officially ends.

From that day on, v12 will enter a phase where it will only receive critical security updates. Anyone who doesn’t have a clear overview of their support periods now risks having outdated systems and facing unplanned upgrade costs.

Transparency Instead of Guessing: The nt_supporttimes Extension

To maintain exactly this overview, we’ve developed the nt_supporttimes extension. It serves as a central dashboard for the lifecycles of your TYPO3 installations. Instead of manually looking up information in spreadsheets, the extension visualizes directly within the system how much longer your version will remain secure.

Why this is so important right now:

  • The end of v12 maintenance: Since the core developers’ focus will shift to v14 starting tomorrow, maintenance for v12 will be scaled back. nt_supporttimes displays this transition graphically and unambiguously.
  • Budget planning for v14: Upgrades shouldn’t be an emergency. The extension helps agencies and business owners plan the transition to the brand-new v14.3 LTS in a timely and strategic manner.
  • LTS & ELTS at a Glance: Whether it’s regular maintenance or the paid Extended Support (ELTS)—the extension displays the official timelines from the TYPO3 Association.

TYPO3 Support Hours - Displayed Using Our nt_supporttimes Extension

Installation & Documentation: How to Get Started

The nt_supporttimes extension is developed according to modern standards and integrates seamlessly into professional workflows.

Easy installation via Composer

To use the extension in your TYPO3 instance, we recommend the standard method via Composer. To do so, simply run the following command in your project directory:

 

composer require netthinks/nt-supporttimes

 

After installation, all you need to do is include the static TypoScript template in the backend to activate the features.

Official Sources and Community

Transparency is important to us, which is why the extension is available both in the official TYPO3 Extension Repository and on GitHub for active collaboration:

  • TYPO3 Extension Repository (TER): Find all versions and details directly in the TER under nt_supporttimes.
  • GitHub Repository: The source code, along with technical documentation on configuration and Fluid examples, can be found on GitHub: netthinks/nt_supporttimes. There, you can also report bugs or submit feature requests as "issues."

With the detailed README.md on GitHub, you can set up the support timelines in just a few minutes.

The Features of nt_supporttimes

This extension is an indispensable tool for the professional management of TYPO3 sites:

  • Status visualization: A quick glance is all it takes to see whether a site is in the "Full Maintenance," "Security Only," or "EOL" (End of Life) phase.
  • Up-to-date: The data is based on official support periods and is regularly updated.
  • Seamless integration: Easily installed via Composer, the tool integrates perfectly into the administration interface.

Conclusion: Act Instead of Reacting

The release of TYPO3 14.3 LTS is a cause for celebration, but also a wake-up call. Secure your projects by making support lifetimes transparent. With nt_supporttimes, you can turn technical deadlines into predictable roadmaps.

[Translate to English:] Dashboard-Ansicht im TYPO3-Backend

Is your system ready for the upgrade?

Take advantage of today to check your support periods and pave the way for TYPO3 v14!

Request a TYPO3 Update