.. include:: /Includes.rst.txt .. _major: ============= Major upgrade ============= .. container:: row m-0 p-0 .. container:: col-md-6 pl-0 pr-3 py-3 m-0 .. container:: card px-0 h-100 .. rst-class:: card-header h3 .. rubric:: :ref:`Pre-upgrade tasks ` .. container:: card-body Before upgrading TYPO3 to a major release, there are several tasks that can be performed to help ensure a successful upgrade and help minimise any potential downtime. .. container:: col-md-6 pl-0 pr-3 py-3 m-0 .. container:: card px-0 h-100 .. rst-class:: card-header h3 .. rubric:: :ref:`Upgrade the Core ` .. container:: card-body This chapter details how to perform a major upgrade using Composer. .. container:: col-md-6 pl-0 pr-3 py-3 m-0 .. container:: card px-0 h-100 .. rst-class:: card-header h3 .. rubric:: :ref:`Post-upgrade tasks ` .. container:: card-body Once TYPO3's Core has been upgraded, there a few tasks that need to be actioned to complete the process. .. toctree:: :hidden: :titlesonly: PreupgradeTasks/Index UpgradeCore.rst PostupgradeTasks/Index