Does Mage-OS 3.x run on PHP 8.3?
YesAll 6 Mage-OS 3.x releases we tested install on PHP 8.3 and pass the storefront, checkout and admin tests. Mage-OS lists PHP 8.5 for 3.5.0.
Last run 3 October 2026. Each run is the stack Mage-OS recommends for the release with only the php swapped for PHP 8.3, installed in Docker, compiled and put through storefront, checkout and admin browser tests.
Every Mage-OS 3.x release on PHP 8.3
Each cell links to the release page with every setup and run log.
Other php versions for Mage-OS 3.x
PHP 8.3 on other Mage-OS lines
See every Magento and Mage-OS release on PHP 8.3, orevery setup for Mage-OS 3.5.0.