Publishing a form template is not the same as saving a form template.
When a form template is saved, you are saving it to preserve your work, just as you do when you save a file on your computer.
I have tried both Update Including Sealed And Read Only(true) and Update(true) and it is not updating my list with the new fields.
A topic that is not particularly well document with Share Point is how to deploy a web browser compatible Info Path form via a feature.
Deploying a form through the Central Administration site provides such a form.
Good knowledge of Share Point best practices and governance models.
I hold Two Master degree in Computer Science with over 11 years of experience working on Microsoft Technologies specially Share Point, Project, . Having good exposer in Client side scripting Angular.js, backbone and Node.