I'm running a Retina MacBookPro, 15", Late 2013, 2 GHz Intel Core i7, 16GB RAM, OS X 10.13.2 with the 1.64 beta. The form fields on many sites fill just fine. However, 1PX does not "submit" the forms. I have to manually click to get the form submitted.
1Password Version: Not Provided
Extension Version: 1.64 beta
OS Version: 10.13.3
Sync Type: Not Provided