Sadly these icons aren't scalable for sharp rendering on HiDPI displays. I tried running xBRZ on them, but the icons are too blurry/antialiased for the algorith

Sadly these icons aren't scalable for sharp rendering on HiDPI displays. I tried running xBRZ on them, but the icons are too blurry/antialiased for the algorithm to really know what to do, and the output is a blurred mess.