Deprecation: #97923 - Deprecate UserFileMountService

See forge#97923


The class \TYPO3\CMS\Core\Resource\Service\UserFileMountService is not used anymore within the TYPO3 Core and has been marked deprecated. The class will finally be removed in TYPO3 v13.


Using the class will raise a deprecation level log entry and will stop working with TYPO3 v13.

Affected installations

Instances with extensions that use the class are affected.

The extension scanner reports affected extensions.


Instead of using the class in TCA for an itemsProcFunc, the TCA type folder should be used, to improve the usability of selecting a folder.

'identifier' => [
    'label' => 'Folder selection',
    'config' => [
        'type' => 'folder',
        'elementBrowserEntryPoints' => [
            '_default' => '1:/user_upload/'