---
title: "Update your extension for new TYPO3 versions"
manual: "TYPO3 Explained"
version: "12.4"
permalink: "https://docs.typo3.org/permalink/t3coreapi:update-extension@12.4"
source: "ExtensionArchitecture/HowTo/UpdateExtensions/Index.rst"
rendered: "2026-10-21T15:29:37+00:00"
---

> [!WARNING]
> **Attention**
>
> TYPO3 v12 has reached end-of-life as of April 30th 2026 and
> is no longer being maintained. Use the version switcher on the top
> left of this page to select documentation for a supported version of TYPO3.
>
> Need more time before upgrading?
> You can purchase Extended Long Term Support (ELTS) for TYPO3 v12 here:
> [TYPO3 ELTS](https://typo3.com/services/extended-support-elts).

# Update your extension for new TYPO3 versions {#update-extension}

The following tools are helpful when updating your extension:

-   [Extension scanner](https://docs.typo3.org/permalink/t3coreapi:extension-scanner-1@12.4)
-   [Upgrade wizards](https://docs.typo3.org/permalink/t3coreapi:upgrade-wizards-1@12.4)
    -   [Concept](https://docs.typo3.org/permalink/t3coreapi:the-concept-of-upgrade-wizards@12.4)
    -   [Implementation](https://docs.typo3.org/permalink/t3coreapi:implementing-an-upgrade-wizard@12.4)