The fiddle that you provide does not uses a version from 15th May (Q1 SP1). I tested the data-pull-to-refresh
attribute with the latest release (Q2 2012 Beta) and did not managed to reproduce the problem.
Could you please check my test page
and point out what I am missing?
the Telerik team
Join us on our journey to create the world's most complete HTML 5 UI Framework - download Kendo UI