TYPO3 Core

Since the input type=file now supports multiple file selection and this is suppoterd by all modern browsers showing only 1 filepicker by default is enough.

This can already be overruled by tsconfig options.folderTree.uploadFieldsInLinkBrowser for users with old browsers

typo3/sysext/recordlist/Classes/Browser/ElementBrowser.php

2426:         $count = (int)$count === 0 ? 1 : (int)$count;