Due to runtime performance of root current properties on large applications, it would be nice to allow a mix of preserved and removed custom properties. The idea is to remove runtime properties which ...

with my package.json containing: "postcss": "7.0.3", "postcss-color-function": "^4.0.1", "postcss-custom-media": "7.0.4", "postcss-custom-properties": "^8.0.6 ...