NetEase: “Since our launch, we’ve heard your battle cries through the community and customer service channelsplayers on various PC configurations have encountered performance stutters and crashes, often due to high memory consumption during gameplay. PCs equipped with 16GB of RAM or less, when faced with excessive RAM usage can force the system to use swap memory, leading to unwanted slowdowns in the heat of battle.”
Source: N4G PC Experimental Feature: Switch Shader Compilation Mode