There's a very long and detailed article about the behind-the-scenes development of Batman: Arkham Knight and the rocky development of the PC version of the game. Some of the sources who claim to have worked QA state that Warner Bros knew about the problems with the PC version all along but prioritized the PS4 and Xbox One over the PC.
Publisher Nordic Games released a new batch of comparison screenshots today showcasing just how well the upcoming Darksiders II: Deathinitive Edition stacks up compared to the original release of the game.