Deprecation: #62855 - "XHTML cleaning" functionality moved to legacy extension¶
XHTML cleaning is not necessary anymore, since modern technology bases completely on HTML5. Therefore the according functionality has been moved to the legacy extension EXT:compatibility6.
The following TypoScript option has been marked for deprecation:
The following PHP method has been marked for deprecation:
The content output of the TYPO3 frontend is not cleaned anymore unless EXT:compatibility6 is loaded.
Any installation having the TypoScript option
set will have different behaviour in the
For TYPO3 CMS 7, installing EXT:compatibility6 brings back the existing functionality.