Complex sentence: The Blu-ray version of "District 9" was released on December 22,2009, and the demo was made available to all current Qore subscribers on February 4,2010.
Split into simpler sentences: The Blu-ray version of "District 9" was released on December 22,2009. The demo was made available to all current (at the time) Qore subscribers on February 4,2010.