Just tried version 12 with AC: Unity and a slight problem appeared. I launch the game, ReShade message pops up, I click yes. Game launches but ReShade is not loaded. Worked before updating ReShade to version 12. Noticed these errors in the log.
13/01/2015 17:34:50,041 | WARN | Reference count for 'ID3D11Device' object (10175) is inconsistent.
13/01/2015 17:34:51,370 | INFO | Exiting ...
13/01/2015 17:34:51,370 | INFO | Uninstalling 389 hook(s) ...
13/01/2015 17:34:52,254 | WARN | Failed to uninstall hook for '0x000007FEEEA2AFCC'.
13/01/2015 17:34:52,257 | WARN | Failed to uninstall hook for '0x000007FEEEA2B2A8'.
13/01/2015 17:34:52,264 | INFO | Exited.