The intent with Theatre Manager web sales is that a venue can customize the pages in any way they wish since they are generally only HTML based pages that can easily be edited with a WYSIWIG editor like Adobe Dreamweaver as long as the basic <form> submission are not altered, or are replaced by the equivalent API call using javascript.
The release notes for Theatre Manager will provide a list (and file) indicating which web pages have changed, and if possible, what the general intent of the change was. To implement these changes, you need to:
This can be done by hand or you can use automated tools to help identify exactly what has changed. We recommend using some automated tools.