https://www.gamespot.com/articles/the-witcher-3-ps4-pro-patch-released-adds-4k-suppo/1100-6453781/ >The PlayStation 4 version of The Witcher 3: Wild Hunt has received an update enabling it to benefit from the extra horsepower in a PlayStation 4 Pro. Developer CD Projekt Red has said that, with the patch, The Witcher 3 and "all additional content feature support for 4K resolution" and also get a "slight boost to performance." >No further details have been revealed on which areas of performance specifically benefit. It's unclear whether the game runs at native 4K or is upscaled. GameSpot will put the update through its paces and report back with more details on how the The Witcher 3 runs on PlayStation 4 Pro.