{
  "category": "JavaScript",
  "flag_name": null,
  "id": 4790090146643968,
  "milestone": 147,
  "name": "Math.sumPrecise",
  "summary": "A TC39 proposal to add a method to sum multiple values to JavaScript.\n\nAdd an iterable-taking `Math.sumPrecise` method which returns the sum of the values in the iterable using a more precise algorithm than naive summation."
}

{
  "category": "JavaScript",
  "flag_name": null,
  "id": 5082138340491264,
  "milestone": 149,
  "name": "Programmatic scroll promises",
  "summary": "Web developers currently have no way to know when a programmatic smooth-scroll has completed. This feature provides a solution to the problem: make the programmatic scroll methods return Promise objects that get resolved on scroll completion."
}