[arthur2e5]

These polyfills aren't just large, they're also slow because they never use the native implementation. The good news is that you can replace them all with "overrides" in package.json. That's what nolyfill (https://github.com/SukkaW/nolyfill) does. Oh, and of course the README mentions ljharb.

[scns]

I'd upvote you a 1000 times if i could. To lazy to mail dang if it's possible to pin it on top.