Path to Stage 4!

[ljharb]

Stage 4

• committee approval
• two implementations
  • v8 (node / Chrome)
  • node (for DOMException)
  • spidermonkey (Firefox)
  • jsc (Webkit / Safari)
  • Deno (for DOMException)
  • Porffor
  • es-shims polyfill
  • keisel
  • Boa
• significant in-the-field experience
• ecma262 PR approved
• prepare ecma262 PR
• HTML integration PR merged

Stage 3

• committee approval
• merge test262 tests
• write test262 tests

Stage 2.7

• committee approval
• spec editor signoff
  • @syg
  • @bakkot
• spec reviewer signoff
  • @michaelficarra
  • @nicolo-ribaudo
• HTML integration PR directionally approved (web platform integration #8)
• Feedback on web compatibility #10 / The Setter probably should still define without ErrorData slot.  #2 (spec the setter)
• Should setter throw for non-strings? #6
• ensure the getter does not throw for non-errors (Feedback on web compatibility #10)
• Should the stack getter on a non-Error return undefined or an empty string? #3

Stage 2

• committee approval
• spec reviewers selected
• spec text written

Stage 1

• committee approval