Breaking: #72476 - PHP Constant TYPO3_PROCEED_IF_NO_USER removed
See forge#72476
Description
The PHP constant TYPO3_
has been removed.
Impact
Any checks on this constant will result in a fatal PHP error.
Any definition in custom entry-scripts of extensions will have no effect anymore.
Affected Installations
Installations with custom entry-points for the TYPO3 Backend.
Migration
Use a custom RequestHandler, the Backend Routing, AJAX Registration or the Module Configuration for skipping the user authentication when necessary.