Vaadin 7.6.5 Grid column resize and rearrangement not working

I have updated my application to Vaadin 7.6.5 and recompiled all the widgets, but the Grid component is not responding to column resize or rearrangement.

I need your help on what would be wrong.

Regards.
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Does this relate to: https://vaadin.com/forum#!/thread/14054750 ?