For running J!5.1 you must https://fabrikar.com/forums/index.php?wiki/update-from-github/ or include the new file manually https://fabrikar.com/forums/index.php?threads/joomla-5-1-and-fabrik-cannot-find-files-error.54473/post-285151 See also Announcements
Please see our announcement here.
Interesting idea, how would that look for public website? I'm guessing it would be a separate list/form? How would I push a spammer to the honeypot vs the live form?Have you tried a honeypot? (regarding GDPR I'M trying cut of all Google services...)
No registration on this site, only a contact form.At least registration will be checked. Not sure if other forms are also checked.SpambotCheck, by Aicha Vack - Joomla Extension Directory
This plugin stops spam at the very source. It leverages major DNS and e-mail black list providers to prevent spam sources from registration and login into your site.extensions.joomla.org