Update 5.7 broke my form

Hi

Since I updated to 5.7 my contact form won’t send. After filling in all fields and hit on “send message” I get a “validation error, check the fields and try again” message. But all fields are entered.

EDIT: ok, I noticed the problem is with hcaptcha.

But there is an other problem I noticed: when you leave a requierd field blank and hit on “send” I don’t see the “this field is required” message above the placeholder. Is there a way to fix this?