Lower the output color depth from 12-bit to 10-bit in the video menu.
The caveat: Backup your system before updating. The new subtitle renderer changes the registry key for default file associations (MKV, HEVC, MP4). Some users report losing file associations to Windows Films & TV after the update – this is fixable by right-clicking any HEVC file and choosing "Always open with H265X."
The current version of this player includes several notable features and recent improvements: Performance Optimization