The development of Star Citizen is hitting its v3.0 update, which will include some massive game changing features like planetary technology, and huge performance optimizations.
CIG has added a new RenderTarget refractor to Star Citizen 3.0, which will see the game saving a massive 50% in video memory usage. DSOGaming reports that Star Citizen 3.0 includes "Area Lights with proper shadowing, new Light Controller for runtime light switches, highly optimized vertex and position format for all geometry, as well as Dynamic Physics Grid to support sparse space areas vs. dense areas like space stations".
Star Citizen's full v3.0 update is absolutely huge, with the full details available on the official Roberts Space Industries website.