New Email Notifications and Formula URLs
New Email setup is not allowing for adding a Formula URL button the same way as the old setup. It does still have the "Record Link" and allows it to be a button from an email. The bold underlined...
Forum Discussion
Can't you just reference the formula URL field in the body of your email? Example if your formula - url field is called requestInQuickBase.
Click [requestInQuickBase] to add Response
In the field settings you can populate the Link text property as 'here' or 'Click here' or something of that nature so that it fits the rest of the text.