Autoprefixer 10.1 improved min-resolution support.
@infusion added dpcm unit support and num2fraction with Fraction.js, which uses Farey Sequences as a rational approximation (more precise) and simplifies the fraction using continued fractions to ɛ <0.001 afterward.
/* input */
@media (min-resolution: 113.38dpcm) {
…
}
/* output */
@media (-webkit-min-device-pixel-ratio: 3),
(min--moz-device-pixel-ratio: 3),
(-o-min-device-pixel-ratio: 3/1),
(min-resolution: 113.38dpcm) {
…
}