Issues

• Why is syntax the preferred integration point?

  tc39/proposal-type-annotations#248 · Filter by author idleman opened on Jun 6, 2026
  8

• Concerns on Syntax Erasure and the Long-term Runtime Potential of Type Annotations

  tc39/proposal-type-annotations#247 · Filter by author Gokul-Gireesh opened on Mar 12, 2026

• Why is this proposal blocked at stage 1?

  tc39/proposal-type-annotations#246 · Filter by author flexiworld opened on Feb 20, 2026
  20

• Proposal: Strategy for Advancing Type Annotations to Stage 2: Engine Implementation and Tooling Contract

  tc39/proposal-type-annotations#245 · Filter by author lemanschik opened on Nov 17, 2025
  1

• the market moves with or without ecmascript

  tc39/proposal-type-annotations#244 · Filter by author ReinsBrain opened on Nov 14, 2025
  23

• Make it a browser option

  tc39/proposal-type-annotations#242 · Filter by author NiedziolkaMichal opened on Sep 17, 2025
  1

• To use "use strict" to enable type annotations in strict mode

  tc39/proposal-type-annotations#241 · Filter by author cers000 opened on Sep 15, 2025
  26

• Code snippets don't respect dark mode

  tc39/proposal-type-annotations#240 · Filter by author JoshuaKGoldberg opened on Sep 1, 2025
  1

• Changes in README broke links on tc39.es/proposal-type-annotations

  tc39/proposal-type-annotations#233 · Filter by author Download opened on Jun 13, 2025

• Experimental forward compatible type-stripper

  tc39/proposal-type-annotations#229 · Filter by author fcrozatier opened on Dec 26, 2024
  12

• Undocumented omissions (auto-accessors and satisfies keyword)

  tc39/proposal-type-annotations#228 · Filter by author fcrozatier opened on Dec 26, 2024

• Request for updated information

  tc39/proposal-type-annotations#224 · Filter by author SeanMcMillan opened on Sep 16, 2024
  6

• TS sometimes redefines for..of to mean something completely different

  tc39/proposal-type-annotations#223 · Filter by author conartist6 opened on Aug 16, 2024
  12

• Please can this proposal not die, Python achieved adding types

  tc39/proposal-type-annotations#218 · Filter by author mangelozzi opened on Jun 30, 2024
  35

• cutting back scope

  tc39/proposal-type-annotations#217 · Filter by author nektro opened on Apr 16, 2024
  14

• Request for champion opinions

  tc39/proposal-type-annotations#216 · Filter by author dmchurch opened on Apr 13, 2024
  7

• Occasional type erasure

  tc39/proposal-type-annotations#215 · Filter by author hydroper opened on Mar 15, 2024

• This proposal regarding TypeScript version

  tc39/proposal-type-annotations#213 · Filter by author hydroper opened on Mar 6, 2024
  11

• Abstract type syntax away from core JavaScript syntax

  tc39/proposal-type-annotations#212 · Filter by author joetidee opened on Feb 26, 2024
  1

• The proposal might be trying to do too much

  tc39/proposal-type-annotations#211 · Filter by author temeddix opened on Feb 12, 2024
  2

• @typedef and @type decorators

  tc39/proposal-type-annotations#210 · Filter by author egasimus opened on Jan 15, 2024
  15

• Performance benefits of static typing

  tc39/proposal-type-annotations#209 · Filter by author NiedziolkaMichal opened on Jan 14, 2024
  24

• type syntax = expression syntax

  tc39/proposal-type-annotations#206 · Filter by author phaux opened on Dec 19, 2023
  1

• Why can't this feature do type checking at runtime?

  tc39/proposal-type-annotations#205 · Filter by author DonaldDuck313 opened on Dec 16, 2023
  38

• Types as comments syntax?

  tc39/proposal-type-annotations#202 · Filter by author piranna opened on Nov 26, 2023
  9