Upgrades
Magento 2.4.9 upgrade guide: PHP 8.5, Symfony 7.4 and what breaks
Magento 2.4.9 brings PHP 8.5, Symfony 7.4 LTS and replaces Laminas MVC and Zend_Cache. What changes, what breaks and how to upgrade.
October 6, 2026
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Practical Magento 2 guides on upgrades, security, speed and migration, written by the MageBooster team.
Magento 2.4.9 brings PHP 8.5, Symfony 7.4 LTS and replaces Laminas MVC and Zend_Cache. What changes, what breaks and how to upgrade.
Magento 2.4.6 regular support ended 11 Aug 2026. Extended support, Cloud deadlines and your options: 2.4.9, 2.4.8, Mage-OS or replatform.
How to audit Magento extensions before upgrading to 2.4.8 or 2.4.9: inventory, find unused modules, check PHP 8.4/8.5 compatibility and remove safely.
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