Ext:form configuration files name should transliterate accented characters instead of skipping them
the form configuration file created from form named "Jak dołączyć?"
and right now it's
The biggest pain is that when you have a name with many accented characters the file name becomes unreadable.
It's very easy to fix that like:
$csConverter = GeneralUtility::makeInstance(\TYPO3\CMS\Core\Charset\CharsetConverter::class); $string = $csConverter->specCharsToASCII('utf-8', $string);
See similar change in Powermail: