JQM 1.3 RC1 posting back duplicate form data fields with empty values

JQM 1.3 RC1 posting back duplicate form data fields with empty values

With JQM 1.3.0 RC1, and also "the latest", when I do a first visit or hard refresh on a page, and enter data, the form data being submitted will not only contain the correct fields and values it's supposed to, but it will also contain an extra empty copy of the fields which is interfering with my model binding. Like this in desktop Windows 7 Chrome developer tools Header/Form Data results:  

DisplayText:
DisplayText:231
BooleanExpression:
BooleanExpression:231
submit:submit-value

or

DisplayText=&DisplayText=231&BooleanExpression=&BooleanExpression=231&submit=submit-value

If my web app returns results to the originating page in the browser following this bad postback, and then I post again, the post works correctly (only single copies of the form data are being sent). The problem only happens either when first visiting a page or after I manually reload the page with the browser reload button.

This doesn't happen with JQM 1.2.0. Can anyone take a look at their browser post output and replicate this? I'm new to JQM so maybe it's me.

Thank you.

Jim