Issue: Error in keyword conversion when sending emails.
In version 8.3, keywords generated from a module entry are not being converted correctly when sending an email. This appears to be due to a change in PHP 8 behavior compared to version 7.
My interpretation:
In the file modules/Emails/views/MassSaveAjax.php
Line 142: $recordModel->set('toMailNamesList', $request->get('toMailNamesList')