Earlier quoted context omitted.
It's Sass, not SASS. The native libsass is much faster. The headaches come from people trying to distribute binaries and libraries through NPM.
If we're being pedantic technically it's npm and not NPM ;)
> npm (originally short for Node Package Manager)
Acronyms can make sense to switch case, but initialisms... en-pee-em... I guess it happens. I originally was introduced it as Node Package Manager, but I'm gonna make an effort to correct this now.