.. include:: /Includes.rst.txt .. _breaking-72417: ========================================== Breaking: #72417 - Removed old locking API ========================================== See :issue:`72417` Description =========== The old locking mechanism was replaced by a more sophisticated a robust LockFactory, and is now completely removed from the TYPO3 Core. Impact ====== Using the `Locker` class will result in a fatal error. The option `$TYPO3_CONF_VARS[SYS][lockingMode]` has no effect anymore. .. index:: PHP-API, LocalConfiguration