Well, it seems that the over hasty plans for using JSON output on the Tinderbox application may not end up being realized.  The main reasons being the usual assortment: security issues, Tinderbox becoming too complex, speed issues, and demand being low for the feature.

The JSON feature will be dropped in hopes of accomplishing the primary goal of building the new user front end.  Since the HTML will not change that will not need to be rewritten.  However, the AJAX/JS will be dropped to provide a static front end.