According to the patch notes circulating the RUNE community (often the first to dissect these updates), here is what has been improved:
Specifically, players reported:
: Character controller code was optimized, saving 1ms to 2ms in areas with high geometry density. GPU Improvements : alan wake 2 update v1 0 15rune hot
The primary focus of v1.0.15 was the rectification of the underlying Northlight engine performance. According to the patch notes circulating the RUNE