Upgrading TYPO3

Minor upgrades

Minor updates contain bugfixes and/or security updates. This section details how to install minor updates using Composer.

Major upgrades

This chapter details how major updates are installed using Composer and highlights what tasks need to be carried out before and after the core is updated.

Upgrading extensions

Just like TYPO3’s core, extensions also need to be regularly updated. This chapter details how to upgrade extensions using Composer.

Legacy upgrade guide

Using TYPO3 without Composer? This chapter details how to upgrade TYPO3 manually.

Migrate a TYPO3 installation to Composer

Information on how to migrate a legacy installation of TYPO3 to a Composer based installation.

Migrate content

This chapter details how pages and content can be exported and then imported into another installation of TYPO3.