Automatically updates the TYPO3 CMS core to its latest minor release if these criterias are met:

Disabled
This feature is disabled in this installation.
Composer Mode is active. Please update using composer commands. The environment variable was set TYPO3_DISABLE_CORE_UPDATER=1. This system isn't a released TYPO3 version. This action can only be used with a linked typo3_src.