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Polyfill.io reads the User-Agent header of each request and returns polyfills that are suitable for the requesting browser.
— Andrew Betts (@triblondon) October 4, 2016
We were asked to add it to the Quick Add area:
— вкαя∂εℓℓ (@briankardell) October 6, 2016
So we did!
— Polyfill.io (@polyfillio) October 10, 2016
But just to be honest here, we had a little hesitation in doing so. Nothing against the library of course, but we don't always want to play favorites with libraries like this. We want to walk the line between being useful and accommodating things users want, and not advocating any one particular way of doing things. So we apologize in advance if we can't accommodate all requests to put your-library-of-choice in there.
Besides, the type ahead feature is cooler anyway! It supports thousands of libraries available via CDN. Put your-library-of-choice on CDNjs and it'll show up there.