the only thing that looks like not working is the online mode but performance is better than native and more stable;

Video Mode: 

    Resolution 1280 720,

    Fullscreen On,

    Multisampling off,

    Aspect Ratio Auto,

    Refresh Rate 60,

    VSync off,

Quality preset High;

Results Proton GE:

    Average FPS 18.98,

    Minimum FPS 13.80,

    Max FPS 28.42;

    
Results Native:
    Average FPS 12.69,
    Minimum FPS 12.50,
    Max FPS 16.61