PlayerUnknown Battlegrounds remains committed to rooting out cheating in its community. They banned over 1 million accounts in the month of January for cheating and dropped a new patch this week to detect potentially cheating software. This will also include ReShade, popularly used to improve the games graphics and performance, but as it modifies the game files it will be caught in the new patch. It’s worth noting, you will not be banned for using it, but you won’t be able to play the game until you uninstall it.
Source: PC Gamer