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tc39 repositories

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tc39/agendasJavaScript

TC39 meeting agendas

Last commit Aug 18, 2023

 (950 stars) (194 forks) (0 indexed issues) (0 open good first issues)
tc39/datasetTypeScript

The automatic track tc39 proposals

Last commit Apr 16, 2025

 (47 stars) (12 forks) (0 indexed issues) (0 open good first issues)
tc39/ecma262HTML

Status, process, and documents for ECMA-262

Last commit May 13, 2026

 (15,626 stars) (1,409 forks) (8 indexed issues) (8 open good first issues)
tc39/ecma404HTML

Status, process, and documents for ECMA 404

Last commit Dec 11, 2025

 (2 stars) (1 fork) (0 indexed issues) (0 open good first issues)
tc39/ecmarkupTypeScript

An HTML superset/Markdown subset source format for ECMAScript and related specifications

Last commit Aug 23, 2026

 (242 stars) (78 forks) (0 indexed issues) (0 open good first issues)
tc39/Function-prototype-toString-revisionHTML

:fishing_pole_and_fish: ECMA-262 proposal to update Function.prototype.toString

Last commit Nov 28, 2018

 (28 stars) (8 forks) (0 indexed issues) (0 open good first issues)
tc39/js-outreach-groups

Last commit Jun 25, 2025

 (71 stars) (7 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-accessible-object-hasownpropertyHTML

Object.hasOwn() proposal for ECMAScript

Last commit Aug 31, 2021

 (132 stars) (8 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-array-equalityHTML

Determining Array Equality

Last commit Jun 17, 2020

 (76 stars) (4 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-array-find-from-lastHTML

Proposal for Array.prototype.findLast and Array.prototype.findLastIndex.

Last commit Jun 6, 2022

 (117 stars) (9 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-array-is-template-objectJavaScript

TC39 proposal to identify tagged template string array objects

Last commit May 19, 2026

 (49 stars) (7 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-array-last

A JavaScript TC39 Proposal for getting the last element from an array

Last commit Jul 22, 2020

 (308 stars) (10 forks) (1 indexed issue) (1 open good first issue)
tc39/proposal-array-zip

a TC39 proposal to synchronize the iteration of multiple arrays

Last commit Oct 10, 2024

 (13 stars) (2 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-arraybuffer-transfer

Proposal to add ArrayBuffer.prototype.transfer

Last commit Jul 12, 2024

 (29 stars) (4 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-async-awaitHTML

Async/await for ECMAScript

Last commit Nov 19, 2020

 (1,571 stars) (103 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-async-iterationHTML

Asynchronous iteration for JavaScript

Last commit Sep 22, 2021

 (853 stars) (44 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-async-iterator-helpersHTML

Methods for working with async iterators in ECMAScript

Last commit Jun 11, 2024

 (163 stars) (4 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-await-dictionaryJavaScript

A proposal to add Promise.allKeyed to ECMAScript

Last commit Jul 21, 2026

 (162 stars) (10 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-await.opsHTML

Introduce await.all / await.race / await.allSettled / await.any to simplify the usage of Promises

Last commit Nov 20, 2022

 (309 stars) (7 forks) (0 indexed issues) (0 open good first issues)
tc39/proposal-bigintHTML

Arbitrary precision integers in JavaScript

Last commit Oct 9, 2019

 (558 stars) (62 forks) (0 indexed issues) (0 open good first issues)