Apparently the guys over at Esoteric are finding a few problems to integrate their latest and greatest in Corona.
Have a look at this thread:
http://esotericsoftware.com/forum/viewtopic.php?f=3&t=3690&p=17990&hilit=corona#p17990
Ideally having the C runtime directly integrated in Corona would be awesome, perfect as a plug-in I should say.
Any official word on it?