Deprecation: #81434 - String Cache Frontend Deprecated

See Issue #81434

Description

The StringFrontend cache frontend has been marked as deprecated in favor of VariableFrontend.

Impact

Using TYPO3\CMS\Core\Cache\Frontend\StringFrontend will trigger a deprecation warning.

Affected Installations

Any TYPO3 installation which defines any custom cache using StringFrontend.

Migration

Replace TYPO3\CMS\Core\Cache\Frontend\StringFrontend occurrences in cache configurations with TYPO3\CMS\Core\Cache\Frontend\VariableFrontend.