Disney announced that they would be adding 1,000 seats to the fantasmic theater, for guest comfort. They also announced that no changes would be coming to the Fantasmic show itself.
Disney World: Fantasmic at Hollywood Studios - OrlandoSentinel.com
...Cockerell said he didn't expect big changes coming to the 14-year-old production, which features a slew of Disney characters, music, drama and pyrotechnics.He said that features tried at Disneyland Resort shows in California, such as the glow-with-the-show mouse ear hats and other kinds of interactivity, could possibly be incorporated.
"We're considering all of that. Something we're learning on both coasts, once we figure out something that works on one coast, let's share it with the other and see if it works on those guests," Cockerell said...