Deprecation: #86486 - TypoScriptFrontendController->processOutput()

See Issue #86486

Description

The method TypoScriptFrontendController->processOutput() has been marked as deprecated.

Impact

Calling this method will trigger a PHP E_USER_DEPRECATED error.

Affected Installations

TYPO3 installations with extensions that use the method.

Migration

Use TypoScriptFrontendController->applyHttpHeadersToResponse() and TypoScriptFrontendController->processContentForOutput() instead, if necessary.