Hello Danielle,
seems I found a bug in 3.0.5 (maybe earlier).
I have a webhook setup on submission of a form. If I downgrade to 2.2.7, everything seems to work fine.
On 3.0.5 I get an error when submitting the form.
Screenshot from the console is here:
https://imgur.com/a/5cCV3hJ
Thanks in advance