Please consider adding AntiBot support for Youzer plugin. This plugin can be downloaded for free from https://youzer.kainelabs.com/
Adding the custom DIV or CLASS to the 3rd party detection works, but the validation fails as it appears as though a custom login process is in use, and not the Wordpress default.
This appears to be already supported… thank you for the update on the forums!
https://wordpress.org/support/topic/antibot-support-for-youzer-plugin-forms/