Rumored narrator is Patrick Stewart.
Last i heard, Bruce Broughton was contracted to compose the score. He's also done Ellen's Energy Adventure and Honey, I Shrunk the Audience amoung many other Disney projects.
The vehicles have been seen fitted with their new TV screens. wether they are touchscreen or not remains to be seen.
Permits have been filed to rework the high pressure steam FX from the newsboy and roman scenes.
A casting agent report was searching for the voice of the paper boy, but suggesting he'd be in a civil war period scene.
The signs on the sides as you enter SSE, the main marquees, have been removed. New LED-lit signage is supposed to replace it.
A heap of debris was photographed outside the structure, resembling lighting bafles and yolks for lighting instruments. This implies the lighting system was completely overhauled.
That's all we know so far.