From the post:
In 2008, Games Workshop delivered Dark Heresy to wild success, introducing a game in which players take on roles as Acolytes of an Inquisitor, standing at the front line of a great and secret war to root out threats that imperil all of humanity. Soon after, Fantasy Flight Games acquired the game license, and since then has continued the line with Rogue Trader, Deathwatch, Black Crusade, and Only War.
Now, Fantasy Flight Games is proud to announce Dark Heresy Second Edition, with updated rules, character options, and game play...and you’re invited to participate in the beta! As Acolytes (or even as Inquisitors), the Player Characters in Dark Heresy Second Edition will bring the light of the Emperor to the far reaches of the galaxy.