ChangeLog v14 Every change to the TYPO3 Core which might affect your site is documented here. 14.0 Changes Breaking: #105377 - Deprecated functionality removed Breaking: #105686 - Avoid obsolete $charset in sanitizeFileName() Breaking: #105695 - Simplified CharsetConverter Breaking: #105728 - Extbase backend modules not in page context rely on global TypoScript only Breaking: #105733 - FileNameValidator no longer accepts custom regex in __construct() Breaking: #105809 - AfterMailerInitializationEvent removed Feature: #105624 - PSR-14 event after a Backend user password has been reset Feature: #105783 - Notify backend user on failed MFA verification attempts Feature: #105833 - Extended page tree filter functionality Feature: #92760 - Configurable timezone for DateViewHelper Important: #105538 - list_type and sub types Also available 14.x Changes by type