Deprecation: #85678 - $GLOBALS['TSFE']->altPageTitle

See Issue #85678

Description

The PHP property $GLOBALS['TSFE']->altPageTitle has been marked as deprecated and will be removed with TYPO3 v10.

Impact

Installations using this property will trigger a PHP E_USER_DEPRECATED error.

Affected Installations

Instances using the property.

Migration

Please use the new TitleTag API to alter the title tag.