Those interested in the latest details on Unreal Engine 4 can tune into Twitch this afternoon at 2:00 pm EDT for a livestream discussing development of Epic's next game engine. Word is: "And on this week’s Unreal Engine livestream broadcast, Unreal Engine General Manager, Ray Davis, and Sr. Environment Artist Ryan Brucks will give a preview of the upcoming 4.3 update, Technical Writer Lauren Ridge presents a documentation update, there will be a rendering update and more!" There will also be a Q&A and this thread has some of the questions that will be addressed.