ECMAScript proposal updates @ 2025-04
The changes of proposal’s status @ 107th meeting of Ecma TC39 ECMA-262 New Proposals Proposal Stage Compare Strings by Codepoint 1 Non-extensible Applies to Private 2.7 Disposable AsyncContext.Variable 1 Deferred Re-exports 2 Composites 1 Enums 1 Object.propertyCount 1 Updated Proposals Proposal From To Record & Tuple 2 withdrawn ECMA-402 New Proposals No Data Updated Proposals No Data This diff i
ECMAScript proposal updates @ 2024-10
The changes of proposal’s status @ 104th meeting of Ecma TC39 ECMA-262 New Proposals Proposal Stage Immutable ArrayBuffers 1 Array.zip and Array.zipKeyed 1 Updated Proposals Proposal From To Promise.try 3 4 Import Attributes 3 4 RegExp Modifiers 3 4 Sync Iterator helpers 3 4 JSON Modules 3 4 Atomics.pause 2.7 3 Error.isError 2 2.7 Iterator Sequencing 2 2.7 Extractors 1 2 Structs: Fixed Layout Obje
ECMAScript proposal updates @ 2024-04
The changes of proposal’s status @ 101st meeting of Ecma TC39 ECMA-262 New Proposals Proposal Stage Signals 1 Strict Enforcement of ‘using’ 1 Updated Proposals Proposal From To Dynamic Code Brand Checks 1 3 Math.sumPrecise 1 2.7 Redeclarable global eval-introduced vars 2 3 Error.isError -1 1 Promise.try 2 2.7 New Set methods 3 4 Duplicate named capture groups 3 4 ECMA-402 New Proposals No Data Upd
GitHub - tc39/proposal-signals: A proposal to add signals to JavaScript.
Stage 1 (explanation) TC39 proposal champions: Daniel Ehrenberg, Yehuda Katz, Jatin Ramanathan, Shay Lewis, Kristen Hewell Garrett, Dominic Gannaway, Preston Sego, Milo M, Rob Eisenberg Original authors: Rob Eisenberg and Daniel Ehrenberg This document describes an early common direction for signals in JavaScript, similar to the Promises/A+ effort which preceded the Promises standardized by TC39 i
ECMAScript proposal updates @ 2024-02
The changes of proposal’s status @ 100th meeting of Ecma TC39 ECMA-262 New Proposals Proposal Stage ESM Phase Imports 1 Redeclarable global eval-introduced vars 2 Micro and mini waits 1 iterator chunking 1 Iterator unique 1 Improved Escapes for Template Literals 1 Function and Object Literal Decorators 1 “Discard” (void) Bindings 1 Updated Proposals 🆕 Stage 2.7 is introduced in add a new testing
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GitHub - tc39/proposal-inspector: ECMAScript Proposal, specs, and reference implementation for Inspector
GitHub - tc39/proposal-composites
Proposal is withdrawn · Issue #394 · tc39/proposal-record-tuple
GitHub - tc39/proposal-object-property-count: TC39 proposal for Object.propertyCount(target[, options])
GitHub - nicolo-ribaudo/proposal-deferred-reexports
GitHub - endojs/proposal-compare-strings-by-codepoint: A new method to compare strings by Unicode codepoint
proposal-async-context/FRAMEWORKS.md at master · tc39/proposal-async-context
GitHub - tc39/proposal-oom-fails-fast: Proposal: Out of memory immediately terminates agent cluster
GitHub - tc39/proposal-thenable-curtailment: A proposal to curtail the power of "thenable" objects.
GitHub - tc39/proposal-regexp-modifiers: Regular Expression Pattern Modifiers for ECMAScript
ECMAScript proposal updates @ 2024-06
Normative: allow duplicate named capture groups by bakkot · Pull Request #2721 · tc39/ecma262
GitHub - tc39/proposal-extractors: Extractors for ECMAScript
GitHub - tc39/proposal-decimal: Built-in exact decimal numbers for JavaScript
Normative: add set methods by bakkot · Pull Request #3306 · tc39/ecma262