gnumanth/tc39

url stringlengths 21 115 ⌀	edition int64 2.02k 2.02k ⌀	authors sequence	champions sequence	description stringlengths 8 170 ⌀	id stringlengths 12 43 ⌀	rationale stringclasses 23 values	name stringlengths 5 82	has-specification bool 2 classes	notes list	pushed_at stringlengths 24 24 ⌀	stage int64 -1 4	tags sequence
https://github.com/tc39/proposal-array-is-template-object	null	[ "Mike Samuel", "Krzysztof Kotowicz" ]	[ "Krzysztof Kotowicz" ]	TC39 proposal to identify template strings	proposal-array-is-template-object	null	Array.isTemplateObject	true	[ { "date": "2019-12-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-4.md#arrayistemplateobject-update" }, { "date": "2019-12-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-4.md" }, { "date": "2021-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-01/jan-25.md" } ]	2021-01-25T20:25:40.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-function-helpers	null	[]	[ "J. S. Choi" ]	A withdrawn proposal for standardizing some useful, popular helper functions into JavaScript’s Function object.	proposal-function-helpers	Presented and rejected before Stage 1 on 2021-10; split up into multiple subsequent proposals	Function helpers	false	null	2021-11-11T22:00:55.000Z	-1	[ "ECMA-262", "inactive", "archived" ]
https://github.com/tc39/proposal-regexp-unicode-property-escapes	2,018	[ "Mathias Bynens" ]	[ "Brian Terlson", "Daniel Ehrenberg", "Mathias Bynens" ]	Proposal to add Unicode property escapes `\p{…}` and `\P{…}` to regular expressions in ECMAScript.	proposal-regexp-unicode-property-escapes	null	RegExp Unicode Property Escapes	true	[ { "date": "2018-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-24.md#conclusionresolution-1" }, { "date": "2017-03-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-03/mar-21.md" }, { "date": "2017-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-23.md" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" }, { "date": "2018-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-24.md" }, { "date": "2020-06-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-2.md" } ]	2023-03-20T23:39:15.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-dynamic-code-brand-checks	null	[ "Mike Samuel", "Krzysztof Kotowicz" ]	[ "Krzysztof Kotowicz" ]	TC39 proposal that enables flexible brand checks before dynamic code loading	proposal-dynamic-code-brand-checks	null	Dynamic Code Brand Checks	true	[ { "date": "2019-12-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-5.md#dynamic-code-brand-checks-for-stage-2" }, { "date": "2019-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-25.md" }, { "date": "2021-01-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-01/jan-26.md" } ]	2021-01-13T12:26:10.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-global	2,020	[ "Jordan Harband" ]	[ "Jordan Harband" ]	ECMAScript Proposal, specs, and reference implementation for `global`	proposal-global	null	globalThis	true	[ { "date": "2019-10-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-1.md#globalthis-to-stage-4" }, { "date": "2016-07-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-07/jul-27.md" }, { "date": "2018-07-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-24.md" }, { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md" } ]	2019-10-01T20:41:06.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-object-rest-spread	2,018	[ "Sebastian Markbåge" ]	[ "Sebastian Markbåge" ]	Rest/Spread Properties for ECMAScript	proposal-object-rest-spread	null	Rest/Spread Properties	true	[ { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md#restspread-properties-for-stage-4" } ]	2022-01-24T19:18:52.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-string-cooked	null	[ "Darien Maillet Valentine" ]	[ "Jamie Kyle", "Hemanth HM" ]	ECMAScript proposal for String.cooked built-in template tag	proposal-string-cooked	null	String.cooked	true	[ { "date": "2021-10-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-27.md#stringcooked" } ]	2022-07-01T22:00:33.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/Function-prototype-toString-revision	2,019	[ "Michael Ficarra" ]	[ "Michael Ficarra" ]	:fishing_pole_and_fish: ECMA-262 proposal to update Function.prototype.toString	null	null	Function.prototype.toString revision	false	[ { "date": "2018-11-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-27.md#conclusionresolution-13" }, { "date": "2016-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-11/nov-30.md" }, { "date": "2017-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-01/jan-24.md" }, { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" }, { "date": "2018-11-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-27.md" } ]	2022-01-24T18:55:15.000Z	4	[ "ECMA-262", "archived" ]
null	null	[]	[ "Allen Wirfs-Brock" ]	null	null	Withdrawn per PR comment	Annex B — HTML Attribute Event Handlers	false	null	null	-1	[ "ECMA-262", "withdrawn" ]
https://github.com/tc39/proposal-object-iteration	null	[]	[ "Jonathan Keslin" ]	ECMA TC39 proposal for making mapping over Objects more concise	proposal-object-iteration	Withdrawn: concern about need for such an API	Improving iteration on Objects	true	[ { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md" } ]	2020-10-30T16:20:09.000Z	-1	[ "ECMA-262", "withdrawn", "archived" ]
https://github.com/tc39/proposal-intl-era-monthcode	null	[ "Frank Yung-Fong Tang" ]	[ "Frank Yung-Fong Tang" ]	To specify necessary details about era, eraYear and monthCode usage with Temporal in internationalization setting (for calendars other than "iso8601").	proposal-intl-era-monthcode	null	Intl Era and MonthCode Proposal	true	[ { "date": "2023-01-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-01.md" } ]	2023-02-07T00:11:18.000Z	2	[ "ECMA-402" ]
https://github.com/tc39/proposal-private-fields-in-in	2,022	[ "Jordan Harband" ]	[ "Jordan Harband" ]	EcmaScript proposal to provide brand checks without exceptions	proposal-private-fields-in-in	null	Ergonomic brand checks for Private Fields	true	[ { "date": "2021-07-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-07/july-14.md#ergonomic-brand-checks-for-stage-4" }, { "date": "2020-06-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-1.md" }, { "date": "2020-07-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-22.md" }, { "date": "2020-09-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-23.md" }, { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md" }, { "date": "2021-07-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-07/july-14.md" } ]	2021-07-14T23:07:43.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-import-attributes	null	[ "Myles Borins", "Sven Sauleau", "Dan Clark", "Daniel Ehrenberg" ]	[ "Sven Sauleau", "Dan Clark", "Daniel Ehrenberg", "Nicolò Ribaudo" ]	Proposal for syntax to import ES modules with assertions	proposal-import-attributes	null	Import Attributes	true	[ { "date": "2023-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-22.md#import-assertionsattributes-for-stage-3" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" } ]	2023-09-28T04:42:31.000Z	3	[ "ECMA-262" ]
https://github.com/tc39/proposal-integer-and-modulus-math	null	[ "Peter Hoddie" ]	[ "Peter Hoddie" ]	Proposal for additional static methods on Math	proposal-integer-and-modulus-math	null	Modulus and Additional Integer Math	false	[ { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md#modulus-and-additional-integer-math-for-stage-1" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" } ]	2023-07-09T18:52:01.000Z	1	[ "ECMA-262" ]
https://github.com/bmeck/proposal-from-import	null	[]	[ "Bradley Farias" ]	AKA: make code completion work.	proposal-from-import	Never presented; preliminary feedback about syntax cost not being worth the weight	from ... import	false	null	2020-04-03T16:13:59.000Z	-1	[ "ECMA-262", "inactive" ]
https://web.archive.org/web/20160804042547/http://wiki.ecmascript.org/doku.php?id=strawman:defensible_classes	null	[ "Mark Miller", "Doug Crockford" ]	[ "Mark Miller", "Doug Crockford" ]	null	null	null	Defensible Classes	false	null	null	0	[ "ECMA-262" ]
https://github.com/tc39/proposal-resizablearraybuffer	2,024	[ "Shu-yu Guo" ]	[ "Shu-yu Guo" ]	Proposal for resizable array buffers	proposal-resizablearraybuffer	null	Resizable and growable ArrayBuffers	true	[ { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md#resizable-buffers-for-stage-4" }, { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2021-04-20T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-04/apr-20.md" }, { "date": "2021-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-05/may-25.md" }, { "date": "2021-08-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/sept-01.md" }, { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md" }, { "date": "2022-03-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-30.md" }, { "date": "2022-07-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-19.md" }, { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" } ]	2023-10-24T20:09:08.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-intl-DateTimeFormat-formatRange	2,021	[ "Felipe Balbontín" ]	[ "Sathya Gunasekaran" ]	ECMA 402 proposal for DateTimeFormat.prototype.{formatRange,formatRangeToParts}	proposal-intl-DateTimeFormat-formatRange	null	Intl.DateFormat.prototype.formatRange	true	[ { "date": "2019-03-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-26.md" } ]	2021-02-23T21:14:30.000Z	4	[ "ECMA-402", "archived" ]
https://github.com/rxaviers/ecma402-number-format-round-option	null	[ "Rafael Xavier" ]	[ "Rafael Xavier" ]	Ecma-402 proposal for selecting different rounding functions for Intl.NumberFormat	null	null	Intl.NumberFormat round option	false	null	2015-07-14T18:55:53.000Z	0	[ "ECMA-402" ]
https://github.com/tc39/proposal-intl-segmenter-v2	null	[ "Frank Yung-Fong Tang" ]	[ "Frank Yung-Fong Tang" ]	Version 2 of Intl Segmenter. Adding line break support.	proposal-intl-segmenter-v2	null	Intl.Segmenter v2	true	null	2022-05-10T16:26:03.000Z	1	[ "ECMA-402" ]
https://github.com/tc39/proposal-async-await	2,017	[ "Brian Terlson" ]	[ "Brian Terlson" ]	Async/await for ECMAScript	proposal-async-await	null	Async functions	true	[ { "date": "2016-07-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-07/jul-28.md#10iv-async-functions" } ]	2023-02-02T16:38:58.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-built-in-modules	null	[ "Michael Saboff", "Mattijs Hoitink" ]	[ "Michael Saboff", "Mattijs Hoitink", "Mark Miller" ]	null	proposal-built-in-modules	null	Built In Modules (aka JS Standard Library)	true	[ { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md#builtin-modules-for-stage-2" }, { "date": "2020-06-03T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-3.md" }, { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md" } ]	2023-06-02T05:05:32.000Z	1	[ "ECMA-262" ]
https://github.com/devsnek/proposal-unused-function-parameters	null	[]	[ "Gus Caplan" ]	null	proposal-unused-function-parameters	Rejected: the need to solve the problem does not outweigh the hazards	Unused Function Parameters	false	[ { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md" } ]	2020-08-12T03:08:11.000Z	-1	[ "ECMA-262", "inactive" ]
https://github.com/tc39/proposal-freeze-prototype	null	[ "Kevin Gibbons" ]	[ "Kevin Gibbons" ]	TC39 for some method to freeze object prototypes	proposal-freeze-prototype	null	Freezing prototypes	false	[ { "date": "2019-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-31.md#freezing-prototypes-for-stage-1" } ]	2020-11-30T08:38:08.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-type-annotations	null	[ "Gil Tayar", "Daniel Rosenwasser", "Romulo Cintra", "Rob Palmer" ]	[ "Daniel Rosenwasser", "Romulo Cintra", "Rob Palmer" ]	ECMAScript proposal for type syntax that is erased - Stage 1	proposal-type-annotations	null	Type Annotations	true	[ { "date": "2022-03-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-29.md#types-as-comments-for-stage-1" }, { "date": "2022-03-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-31.md" }, { "date": "2023-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-22.md" }, { "date": "2023-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-27.md" } ]	2023-09-22T18:17:26.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-setmap-offrom	null	[ "Leo Balter" ]	[ "Leo Balter" ]	null	proposal-setmap-offrom	null	of and from on collection constructors	true	[ { "date": "2016-09-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-09/sept-29.md#11iic-set-map-weakset-and-weakmap-of-and-from-methods" }, { "date": "2021-12-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-14.md" } ]	2022-12-10T06:22:08.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-optional-chaining	2,020	[ "Gabriel Isenberg", "Claude Pache", "Dustin Savery" ]	[ "Gabriel Isenberg", "Dustin Savery", "Justin Ridgewell", "Daniel Rosenwasser" ]	null	proposal-optional-chaining	null	Optional Chaining	true	[ { "date": "2019-12-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-4.md#optional-chaining-for-stage-4" }, { "date": "2017-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-27.md" }, { "date": "2018-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-24.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2018-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-28.md" }, { "date": "2019-06-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-5.md" }, { "date": "2019-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-25.md" }, { "date": "2019-12-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-4.md" }, { "date": "2023-07-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-13.md" } ]	2022-01-24T21:12:16.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-extensions	null	[ "HE Shi-Jun" ]	[ "HE Shi-Jun" ]	Extensions proposal for ECMAScript	proposal-extensions	null	Extensions	false	[ { "date": "2020-11-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-11/nov-19.md#extensions-for-stage-1" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" } ]	2023-01-18T06:45:39.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-string-prototype-codepoints	null	[ "Ingvar Stepanyan" ]	[ "Mathias Bynens" ]	String.prototype.codePoints proposal for ECMAScript (stage 1)	proposal-string-prototype-codepoints	null	String.prototype.codePoints	true	[ { "date": "2018-05-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-22.md#stringprototypecodepoints-for-stage-2" } ]	2021-04-09T09:08:50.000Z	1	[ "ECMA-262" ]
https://github.com/mathiasbynens/String.prototype.at	null	[]	[ "Mathias Bynens", "Rick Waldron" ]	A robust & optimized ES3-compatible polyfill for the `String.prototype.at` proposal for ECMAScript 6/7.	null	Obsoleted by renamed String.prototype.item proposal	String.prototype.at	false	null	2020-11-19T07:38:04.000Z	-1	[ "ECMA-262", "inactive", "archived" ]
https://github.com/tc39/proposal-first-class-protocols	null	[ "Michael Ficarra" ]	[ "Michael Ficarra" ]	a proposal to bring protocol-based interfaces to ECMAScript users	proposal-first-class-protocols	null	First-class protocols	false	[ { "date": "2018-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-25.md#updates-on-first-class-protocols" } ]	2022-11-28T19:58:35.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-ecmascript-sharedmem	2,017	[ "Lars T Hansen" ]	[ "Lars T Hansen" ]	Shared memory and atomics for ECMAscript	proposal-ecmascript-sharedmem	null	Shared memory and atomics	true	[ { "date": "2017-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-01/jan-24.md#13if-seeking-stage-4-for-sharedarraybuffer" } ]	2022-01-24T18:48:45.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-regexp-unicode-sequence-properties	null	[ "Mathias Bynens" ]	[ "Mathias Bynens" ]	Proposal to add support for sequence properties in Unicode property escapes to ECMAScript regular expressions.	proposal-regexp-unicode-sequence-properties	null	Sequence properties in Unicode property escapes	true	[ { "date": "2019-10-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-2.md#update-on-sequence-property-escapes-in-unicode-regular-expressions" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" }, { "date": "2019-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-31.md" }, { "date": "2019-10-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-2.md" } ]	2022-05-20T07:28:10.000Z	2	[ "ECMA-262", "archived" ]
null	null	[]	[ "Brendan Eich" ]	null	null	null	Change Number.parseInt/parseFloat to not coerce null/undefined/NaN (repo link TBD)	false	[ { "date": "2017-07-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-26.md#13iib-consider-changing-numberparseint-and-numberparsefloat" } ]	null	1	[ "ECMA-262" ]
https://github.com/justinfagnani/proposal-mixins	null	[ "Justin Fagnani" ]	[ "Justin Fagnani" ]	A template for ECMAScript proposals	proposal-mixins	null	Maximally minimal mixins	false	[ { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md#13iiie-maximally-minimal-mixins-proposal" } ]	2019-12-06T18:21:44.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-is-usv-string	2,024	[ "Guy Bedford", "Bradley Farias" ]	[ "Guy Bedford", "Bradley Farias", "Michael Ficarra" ]	a proposal for a method to determine if a String is welll-formed Unicode	proposal-is-usv-string	null	Well-Formed Unicode Strings	true	[ { "date": "2023-05-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-15.md#well-formed-unicode-strings-for-stage-4" }, { "date": "2022-09-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-13.md" }, { "date": "2022-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/nov-30.md" }, { "date": "2023-05-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-15.md" } ]	2023-05-15T18:22:31.000Z	4	[ "ECMA-262" ]
https://github.com/tc39/proposal-numeric-separator	2,021	[ "Sam Goto", "Rick Waldron" ]	[ "Sam Goto", "Rick Waldron", "Leo Balter" ]	A proposal to add numeric literal separators in JavaScript.	proposal-numeric-separator	null	Numeric separators	true	[ { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md#numericliteralseparator-for-stage-4" }, { "date": "2017-07-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-27.md" }, { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" }, { "date": "2019-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-30.md" }, { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md" }, { "date": "2020-07-20T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-20.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" } ]	2021-07-16T15:18:56.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-decorators	null	[ "Daniel Ehrenberg", "Kristen Hewell Garrett" ]	[ "Kristen Hewell Garrett" ]	Decorators for ES6 classes	proposal-decorators	null	Decorators	true	[ { "date": "2022-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-28.md#decorators-for-stage-3" }, { "date": "2016-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-05/may-25.md" }, { "date": "2018-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-25.md" }, { "date": "2018-03-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-21.md" }, { "date": "2018-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-23.md" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" }, { "date": "2019-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-30.md" }, { "date": "2019-03-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-27.md" }, { "date": "2020-03-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-2.md" }, { "date": "2020-06-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-2.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" }, { "date": "2020-09-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-23.md" }, { "date": "2021-07-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-07/july-14.md" }, { "date": "2021-12-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-15.md" }, { "date": "2022-03-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-31.md" }, { "date": "2022-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-28.md" }, { "date": "2022-03-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-30.md" }, { "date": "2023-01-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-02.md" }, { "date": "2023-01-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-01.md" }, { "date": "2023-03-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-21.md" }, { "date": "2023-05-16T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-16.md" } ]	2023-06-13T17:08:54.000Z	3	[ "ECMA-262" ]
https://github.com/tc39/proposal-dynamic-import-host-adjustment	null	[ "Mike Samuel", "Krzysztof Kotowicz" ]	[ "Krzysztof Kotowicz" ]	TC39 proposal that affects doesn't stringify argument to import(...) early to enable interop with WICG/trusted-types	proposal-dynamic-import-host-adjustment	null	Dynamic Import Host Adjustment	true	[ { "date": "2019-12-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-5.md#dynamic-import-host-adjustment-for-stage-2" } ]	2019-12-05T21:50:43.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-stable-formatting	null	[ "Eemeli Aro" ]	[ "Eemeli Aro" ]	A TC-39 proposal to bring stable Intl-inspired formatting options to ECMAScript	proposal-stable-formatting	null	Stable Formatting	false	[ { "date": "2023-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-27.md#stable-formatting-for-stage-1" } ]	2023-09-28T02:19:58.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-readonly-collections	null	[ "Mark Miller", "Peter Hoddie" ]	[ "Mark Miller", "Peter Hoddie" ]	Proposal: snapshot,diverge,readOnlyView methods for all collections	proposal-readonly-collections	null	Readonly Collections	false	[ { "date": "2019-10-03T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-3.md#readonly-collections-for-stage-1" }, { "date": "2021-04-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-04/apr-21.md" } ]	2019-11-26T04:18:02.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-intl-segmenter	2,022	[ "Daniel Ehrenberg", "Richard Gibson" ]	[ "Richard Gibson" ]	Unicode text segmentation for ECMAScript	proposal-intl-segmenter	null	Intl.Segmenter: Unicode Segmentation in JavaScript	true	[ { "date": "2016-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-11/nov-30.md" }, { "date": "2017-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-23.md" }, { "date": "2017-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-25.md" }, { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md" }, { "date": "2020-06-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-4.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md" }, { "date": "2023-07-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-13.md" } ]	2022-01-21T20:50:03.000Z	4	[ "ECMA-402" ]
https://github.com/domenic/proposal-arraybuffer-transfer	null	[]	[ "Domenic Denicola", "Shu-yu Guo" ]	Former home of the now-withdrawn ArrayBuffer.prototype.transfer() proposal for JavaScript	proposal-arraybuffer-transfer	Withdrawn: superseded by Resizable Buffers	ArrayBuffer.prototype.transfer	true	[ { "date": "2018-07-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-24.md" } ]	2021-10-05T21:58:21.000Z	-1	[ "ECMA-262", "withdrawn", "archived" ]
https://github.com/tc39/proposal-regexp-dotall-flag	2,018	[ "Mathias Bynens" ]	[ "Brian Terlson", "Mathias Bynens" ]	Proposal to add the `s` (`dotAll`) flag to regular expressions in ECMAScript.	proposal-regexp-dotall-flag	null	s (dotAll) flag for regular expressions	true	[ { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md#9ie-regexp-dotall-status-update" }, { "date": "2017-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-23.md" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" } ]	2022-01-24T20:15:12.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-class-static-block	2,022	[ "Ron Buckton" ]	[ "Ron Buckton" ]	ECMAScript class static initialization blocks	proposal-class-static-block	null	Class Static Block	true	[ { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md#class-static-initialization-blocks-for-stage-4" }, { "date": "2020-09-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-22.md" }, { "date": "2021-03-09T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-9.md" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" } ]	2021-08-31T19:56:36.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-weakrefs	2,021	[ "Dean Tribble", "Sathya Gunasekaran" ]	[ "Dean Tribble", "Mark Miller", "Till Schneidereit", "Sathya Gunasekaran", "Daniel Ehrenberg" ]	WeakRefs	proposal-weakrefs	null	WeakRefs	true	[ { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md#weakrefs-for-stage-4--cleanupsome-for-stage-23" }, { "date": "2016-03-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-03/march-31.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md" }, { "date": "2019-06-06T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-6.md" }, { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md" }, { "date": "2020-02-06T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-6.md" }, { "date": "2020-03-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-1.md" }, { "date": "2020-03-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-2.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" } ]	2022-01-24T21:19:49.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-pipeline-operator	null	[ "J. S. Choi", "James DiGioia", "Ron Buckton", "Tab Atkins" ]	[ "J. S. Choi", "Ron Buckton", "Tab Atkins" ]	A proposal for adding a useful pipe operator to JavaScript.	proposal-pipeline-operator	null	Pipeline Operator	true	[ { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md#pipeline-operator-for-stage-2" }, { "date": "2017-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-26.md" }, { "date": "2017-11-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-29.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2022-03-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-29.md" } ]	2023-01-23T20:35:27.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-trailing-function-commas	2,017	[ "Jeff Morrison" ]	[ "Jeff Morrison" ]	null	proposal-trailing-function-commas	null	Trailing commas in function parameter lists and calls	true	[ { "date": "2016-07-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-07/jul-26.md#9ie-trailing-commas-in-functions" } ]	2017-03-27T10:22:59.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-eventual-send	null	[ "Mark Miller", "Chip Morningstar", "Michael Fig" ]	[ "Mark Miller", "Chip Morningstar", "Michael Fig" ]	TC39 Eventual Send proposal	proposal-eventual-send	null	Support for Distributed Promise Pipelining	false	[ { "date": "2019-10-03T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-3.md#eventual-send-support-for-distributed-promise-pipelining" }, { "date": "2019-12-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-5.md" } ]	2023-08-07T04:55:26.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-idl	null	[ "Daniel Ehrenberg" ]	[ "Daniel Ehrenberg" ]	Investigation into using an Interface Description Language (IDL) in the ECMAScript standard	proposal-idl	null	IDL for ECMAScript	false	[ { "date": "2018-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-27.md#idl-for-javascript" } ]	2021-04-09T09:08:50.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-partial-application	null	[ "Ron Buckton" ]	[ "Ron Buckton" ]	Proposal to add partial application to ECMAScript	proposal-partial-application	null	Partial application	true	[ { "date": "2018-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-25.md#partial-application" }, { "date": "2018-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-25.md" }, { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md" } ]	2022-05-22T16:32:16.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-symbol-predicates	null	[ "Robin Ricard", "Jordan Harband" ]	[ "Ashley Claymore", "Jordan Harband" ]	A proposal to introduce ways to differentiate symbols	proposal-symbol-predicates	null	Symbol Predicates	true	[ { "date": "2023-01-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-01.md#symbol-predicates" }, { "date": "2023-01-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-01.md" }, { "date": "2023-05-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-15.md" } ]	2023-05-15T17:07:24.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-destructuring-private	null	[ "Justin Ridgewell" ]	[ "Justin Ridgewell" ]	A proposal integrate private fields and destructuring	proposal-destructuring-private	null	Destructure Private Fields	true	[ { "date": "2021-12-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-14.md#destructuring-private-fields" }, { "date": "2021-12-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-14.md" } ]	2022-03-18T01:36:23.000Z	2	[ "ECMA-262" ]
https://github.com/rbuckton/proposal-shorthand-improvements	null	[ "Ron Buckton" ]	[ "Ron Buckton" ]	A proposal to introduce new shorthand assignment forms for ECMAScript object literals	proposal-shorthand-improvements	null	Object Shorthand Improvements	true	[ { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md#13i-object-shorthand-improvements" }, { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md" } ]	2017-07-24T23:44:20.000Z	0	[ "ECMA-262" ]
https://github.com/zkat/proposal-as-patterns	null	[ "Kat Marchán" ]	[ "Kat Marchán" ]	`as` destructuring patterns	proposal-as-patterns	null	as destructuring patterns	false	null	2018-05-10T04:01:42.000Z	0	[ "ECMA-262" ]
https://github.com/tc39/proposal-top-level-await	2,022	[ "Myles Borins", "Yulia Startsev", "Daniel Ehrenberg", "Guy Bedford", "Ms2ger" ]	[ "Myles Borins", "Yulia Startsev" ]	top-level `await` proposal for ECMAScript (stage 4)	proposal-top-level-await	null	Top-level await	true	[ { "date": "2021-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-05/may-25.md#top-level-await" }, { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md" }, { "date": "2019-06-06T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-6.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2021-03-09T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-9.md" }, { "date": "2021-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-05/may-25.md" } ]	2021-05-28T08:02:18.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-optional-catch-binding	2,019	[ "Michael Ficarra" ]	[ "Michael Ficarra" ]	proposal for ECMAScript to allow omission of the catch binding	proposal-optional-catch-binding	null	Optional catch binding	true	[ { "date": "2018-05-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-22.md#conclusionresolution-7" } ]	2018-05-22T18:40:00.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-uniform-interchange-date-parsing	null	[ "Richard Gibson" ]	[ "Richard Gibson" ]	Proposal to standardize Date.parse behavior for interchange-like input	proposal-uniform-interchange-date-parsing	null	uniform parsing of quasi-standard Date.parse input	true	[ { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md#uniform-parsing-of-quasi-standard-dateparse-input" }, { "date": "2019-03-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-26.md" } ]	2023-09-13T17:21:02.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-smart-unit-preferences	null	[ "Younies Mahmoud" ]	[ "Younies Mahmoud" ]	null	proposal-smart-unit-preferences	null	Smart Unit Preferences in Intl.NumberFormat	false	[ { "date": "2020-06-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/840c700dc7fa7b9f6d0a3c208bd66b333e304717/meetings/2020-06/june-4.md#smart-unit-preferences-in-intlnumberformat-for-stage-1" } ]	2022-04-15T19:51:06.000Z	1	[ "ECMA-402" ]
https://github.com/tc39/proposal-richer-keys	null	[ "Bradley Farias" ]	[ "Bradley Farias" ]	Cross cutting proposals around custom identities in collections	proposal-richer-keys	null	Richer Keys	true	[ { "date": "2019-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-30.md#richer-keys-for-stage-2" } ]	2019-10-28T13:57:47.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-record-tuple	null	[ "Robin Ricard", "Richard Button" ]	[ "Robin Ricard", "Richard Button" ]	ECMAScript proposal for the Record and Tuple value types. \| Stage 2: it will change!	proposal-record-tuple	null	Record & Tuple	true	[ { "date": "2021-12-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-15.md#records-and-tuples" }, { "date": "2020-03-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-1.md" }, { "date": "2020-06-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-1.md" }, { "date": "2020-07-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-22.md" }, { "date": "2020-09-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-22.md" }, { "date": "2021-10-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-28.md" }, { "date": "2021-12-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-15.md" }, { "date": "2022-07-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-19.md" }, { "date": "2022-09-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-13.md" }, { "date": "2022-09-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-15.md" } ]	2023-04-21T13:00:53.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-reversible-string-split	null	[ "Luca Casonato" ]	[ "Luca Casonato" ]	String.prototype.splitn for ECMAScript	proposal-reversible-string-split	null	Reversible string split	false	[ { "date": "2022-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-01/jan-25.md#reversible-string-split" } ]	2023-02-26T06:36:14.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-upsert	null	[ "Bradley Farias" ]	[ "Erica Pramer" ]	ECMAScript Proposal, specs, and reference implementation for Map.prototype.upsert	proposal-upsert	null	Map.prototype.emplace	true	[ { "date": "2020-07-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-22.md#upsert-now-renamed-emplace-updates--for-stage-3" }, { "date": "2020-07-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-22.md" } ]	2022-12-10T02:27:03.000Z	2	[ "ECMA-262" ]
https://github.com/jasnell/proposal-istypes	null	[]	[ "James M Snell" ]	TC-39 Proposal for additional is{Type} APIs	proposal-istypes	Withdrawn: can be solved in other ways	Builtins.typeOf() and Builtins.is()	false	[ { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md" } ]	2019-04-28T11:23:02.000Z	-1	[ "ECMA-262", "withdrawn" ]
https://github.com/tc39/proposal-string-pad-start-end	2,017	[ "Jordan Harband" ]	[ "Jordan Harband", "Rick Waldron" ]	ECMAScript spec proposal for String.prototype.{padStart,padEnd}	proposal-string-pad-start-end	null	String padding	true	[ { "date": "2016-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-05/may-25.md#stringprototypepadstartend-jhd" } ]	2021-04-23T15:41:14.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-defer-import-eval	null	[ "Yulia Startsev", "Guy Bedford" ]	[ "Yulia Startsev", "Guy Bedford", "Nicolò Ribaudo" ]	A proposal for introducing a way to defer evaluate of a module	proposal-defer-import-eval	null	Deferring Module Evaluation	true	[ { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md#deferred-import-evaluation" }, { "date": "2022-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/nov-30.md" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" } ]	2023-10-30T14:47:34.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-Symbol-description	2,019	[ "Michael Ficarra" ]	[ "Michael Ficarra" ]	proposal to add Symbol.prototype.description to ECMAScript	proposal-Symbol-description	null	Symbol.prototype.description	true	[ { "date": "2018-11-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-27.md#conclusionresolution-12" }, { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md" }, { "date": "2018-05-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-22.md" }, { "date": "2018-11-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-27.md" } ]	2018-11-28T00:49:58.000Z	4	[ "ECMA-262" ]
https://github.com/tc39/proposal-function.sent	null	[ "Allen Wirfs-Brock" ]	[ "HE Shi-Jun" ]	Generator function.sent Meta Property	proposal-function.sent	null	function.sent metaproperty	false	[ { "date": "2019-07-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-23.md#making-functionsent-inactive" }, { "date": "2022-06-07T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-06/jun-07.md" } ]	2021-04-22T19:02:33.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-intl-plural-rules	2,018	[ "Caridy Patiño", "Eric Ferraiuolo" ]	[ "Caridy Patiño", "Eric Ferraiuolo" ]	`Intl.PluralRules` specification [draft]	proposal-intl-plural-rules	null	Intl.PluralRules	false	[ { "date": "2017-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-26.md#12ig-intlpluralrules-for-stage-4" }, { "date": "2016-11-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-11/nov-29.md" }, { "date": "2017-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-26.md" } ]	2022-01-24T18:54:04.000Z	4	[ "ECMA-402", "archived" ]
https://github.com/tc39/proposal-symbol-proto	null	[ "Santiago Díaz", "Jun Kokatsu" ]	[ "Shu-Yu Guo" ]	TC39 proposal for mitigating prototype pollution	proposal-symbol-proto	null	Prototype pollution mitigation	false	[ { "date": "2023-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-30.md#prototype-pollution-mitigation--symbolproto" } ]	2023-08-29T09:26:12.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-flatMap	2,019	[ "Brian Terlson", "Michael Ficarra", "Mathias Bynens" ]	[ "Brian Terlson", "Michael Ficarra" ]	proposal for flatten and flatMap on arrays	proposal-flatMap	null	Array.prototype.{flat,flatMap}	true	[ { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md#arrayprototypeflatflatmap-for-stage-4" }, { "date": "2017-07-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-27.md" }, { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" }, { "date": "2018-03-20T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-20.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" }, { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md" } ]	2022-01-24T19:06:13.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/samuelgoto/proposal-block-params	null	[ "Sam Goto" ]	[ "Sam Goto" ]	A syntactical simplification in JS to enable DSLs	proposal-block-params	null	Block Params	false	[ { "date": "2017-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-30.md#9iiia-block-params-to-stage-1" }, { "date": "2017-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-30.md" } ]	2021-02-10T06:20:52.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-bigint-math	null	[ "J.S. Choi" ]	[ "J.S. Choi" ]	Draft specification for supporting BigInts in JavaScript’s Math methods.	proposal-bigint-math	null	BigInt Math	true	[ { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md#bigint-math-update" }, { "date": "2021-08-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/sept-01.md" }, { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md" } ]	2022-07-11T17:21:44.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-iterator-helpers	null	[ "Gus Caplan" ]	[ "Michael Ficarra", "Jonathan Keslin", "Kevin Gibbons" ]	Methods for working with iterators in ECMAScript	proposal-iterator-helpers	null	Sync Iterator helpers	true	[ { "date": "2022-11-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/dec-01.md#iterator-helpers-for-stage-3" }, { "date": "2019-07-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-24.md" }, { "date": "2020-06-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-1.md" }, { "date": "2020-06-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-4.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" }, { "date": "2022-09-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-14.md" }, { "date": "2023-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-31.md" }, { "date": "2023-03-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-21.md" }, { "date": "2023-05-16T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-16.md" }, { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" }, { "date": "2022-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-21.md" } ]	2023-10-17T02:29:43.000Z	3	[ "ECMA-262" ]
https://github.com/tc39/proposal-cancelable-promises	null	[]	[ "Domenic Denicola" ]	Former home of the now-withdrawn cancelable promises proposal for JavaScript	proposal-cancelable-promises	Withdrawn	Cancelable Promises	true	[ { "date": "2016-09-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-09/sept-29.md" } ]	2016-12-15T18:37:18.000Z	-1	[ "ECMA-262", "withdrawn", "archived" ]
https://github.com/tc39/proposal-intl-duration-format	null	[ "Younies Mahmoud", "Ujjwal Sharma" ]	[ "Younies Mahmoud", "Ujjwal Sharma" ]	null	proposal-intl-duration-format	null	Intl.DurationFormat	true	[ { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md#durationformat" }, { "date": "2020-06-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-2.md" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" }, { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md" }, { "date": "2022-06-07T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-06/jun-07.md" }, { "date": "2022-09-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-13.md" }, { "date": "2022-11-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/dec-01.md" }, { "date": "2023-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-31.md" }, { "date": "2023-05-17T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-17.md" }, { "date": "2023-07-12T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-12.md" } ]	2023-11-16T17:53:36.000Z	3	[ "ECMA-402" ]
https://github.com/tc39/proposal-async-iterator-helpers	null	[ "Gus Caplan" ]	[ "Michael Ficarra", "Jonathan Keslin", "Kevin Gibbons" ]	Methods for working with async iterators in ECMAScript	proposal-async-iterator-helpers	null	Async Iterator helpers	true	[ { "date": "2023-05-18T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-18.md" }, { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md" } ]	2023-11-10T10:18:44.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-seeded-random	null	[ "Tab Atkins" ]	[ "Tab Atkins" ]	Proposal for an options argument to be added to JS's Math.random() function, and some options to start it with.	proposal-seeded-random	null	Math.seededRandoms()	true	[ { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md#13iif-mathseededrandoms-for-stage-1" } ]	2021-01-08T17:50:31.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-csprng	null	[ "Ron Buckton" ]	[ "Ron Buckton" ]	Cryptographically Secure Random Number Generation for ECMAScript	proposal-csprng	null	Cryptographically Secure Random Number Generation	true	[ { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md#arraybufferfillrandom-for-stage-1" } ]	2022-12-10T17:00:05.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-iterator.range	null	[ "Jack Works" ]	[ "Jack Works" ]	A proposal for ECMAScript to add a built-in Iterator.range()	proposal-iterator.range	null	Iterator.range	true	[ { "date": "2023-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-22.md#iteratorrange-for-stage-2" }, { "date": "2023-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-22.md" } ]	2023-04-06T01:09:06.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-error-stacks	null	[ "Jordan Harband" ]	[ "Jordan Harband" ]	ECMAScript Proposal, specs, and reference implementation for Error.prototype.stack / System.getStack	proposal-error-stacks	null	Error stacks	true	[ { "date": "2017-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-01/jan-25.md#15iiia-error-stacks-seeking-stage-1" }, { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md" }, { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md" } ]	2023-10-04T13:26:00.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-intl-displaynames	2,021	[ "Frank Yung-Fong Tang" ]	[ "Frank Yung-Fong Tang." ]	Get localized display names for languages, scripts, regions and others. https://tc39.github.io/proposal-intl-displaynames/	proposal-intl-displaynames	null	Intl.DisplayNames	true	[ { "date": "2020-09-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-22.md#intldisplaynames-for-stage-4" }, { "date": "2019-06-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-5.md" }, { "date": "2019-10-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-2.md" }, { "date": "2020-09-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-22.md" } ]	2020-09-22T04:32:15.000Z	4	[ "ECMA-402", "archived" ]
https://github.com/tc39/proposal-intl-eradisplay	null	[ "Louis-Aime" ]	[ "Shane Carr", "Louis-Aime" ]	Intl.DateTimeFormat displays era field only if date displayed is in same era as today's	proposal-intl-eradisplay	null	eraDisplay option for Intl.DateTimeFormat	true	null	2022-11-29T10:24:37.000Z	2	[ "ECMA-402" ]
https://github.com/tc39/proposal-compartments	null	[ "Bradley Farias" ]	[ "Bradley Farias", "Mark S. Miller", "Caridy Patiño", "J.F. Paradis", "Patrick Soquet", "Kris Kowal" ]	Compartmentalization of host behavior hooks for JS	proposal-compartments	null	Compartments	false	[ { "date": "2020-03-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-1.md#compartments-for-stage-1" }, { "date": "2022-07-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-19.md" }, { "date": "2022-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/nov-30.md" } ]	2022-12-19T13:44:19.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-error-cause	2,022	[ "Chengzhong Wu" ]	[ "Chengzhong Wu", "Hemanth HM" ]	TC39 proposal for accumulating errors	proposal-error-cause	null	Error Cause	true	[ { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md#error-cause-for-stage-4" }, { "date": "2020-11-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-11/nov-19.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md" } ]	2021-10-26T17:27:58.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-change-array-by-copy	2,023	[ "Ashley Claymore", "Robin Ricard" ]	[ "Ashley Claymore", "Robin Ricard" ]	Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.	proposal-change-array-by-copy	null	Change Array by Copy	true	[ { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" }, { "date": "2021-10-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-27.md" }, { "date": "2022-06-07T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-06/jun-07.md" }, { "date": "2022-03-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-30.md" }, { "date": "2022-07-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-19.md" }, { "date": "2023-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-30.md" } ]	2023-08-01T08:30:33.000Z	4	[ "ECMA-262" ]
https://github.com/tc39/proposal-number-fromstring	null	[ "Mathias Bynens" ]	[ "Mathias Bynens" ]	{BigInt,Number}.fromString(string, radix)	proposal-number-fromstring	null	{BigInt,Number}.fromString	true	[ { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md#13iic-bigintnumberfromstring-for-stage-1" } ]	2019-01-11T13:51:46.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-well-formed-stringify	2,019	[ "Richard Gibson" ]	[ "Mathias Bynens" ]	Proposal to prevent JSON.stringify from returning ill-formed strings	proposal-well-formed-stringify	null	Well-formed JSON.stringify	true	[ { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md#well-formed-jsonstringify-for-stage-4" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" } ]	2019-01-29T22:50:43.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-emitter	null	[ "Shu-yu Guo", "Pedram Emrouznejad" ]	[ "Shu-yu Guo", "Pedram Emrouznejad" ]	null	proposal-emitter	null	Emitter	true	[ { "date": "2019-06-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-5.md#emitter-for-stage-1" } ]	2019-06-16T17:16:06.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-rm-builtin-subclassing	null	[ "Yulia Startsev", "Shu-yu Guo" ]	[ "Yulia Startsev", "Shu-yu Guo" ]	Remove ES6 built-in subclassing	proposal-rm-builtin-subclassing	null	Restrict subclassing support in built-in methods	false	[ { "date": "2020-06-03T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-3.md#restrict-subclassing-support-for-built-in-methods-stage-1" } ]	2021-02-06T18:22:38.000Z	1	[ "ECMA-262" ]
https://github.com/zkat/proposal-collection-literals	null	[]	[ "Kat Marchán" ]	[WITHDRAWN] tc39 proposal for custom collection literals	proposal-collection-literals	Withdrawn: pursuing when new syntax and other alternatives	Tagged Collection Literals	false	null	2018-05-25T16:14:37.000Z	-1	[ "ECMA-262", "withdrawn" ]
https://github.com/tc39/proposal-bind-operator	null	[ "Kevin Smith" ]	[ "Brian Terlson", "Matthew Podwysocki" ]	This-Binding Syntax for ECMAScript	proposal-bind-operator	null	Function bind syntax	false	[ { "date": "2015-03-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2015-03/mar-25.md#6vi-function-bind-and-private-fields-redux-kevin-smith" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" } ]	2018-01-19T16:03:21.000Z	0	[ "ECMA-262" ]
https://github.com/tc39/proposal-private-declarations	null	[ "Justin Ridgewell" ]	[ "Justin Ridgewell" ]	A proposal to allow trusted code _outside_ of the class lexical scope to access private state	proposal-private-declarations	null	Private declarations	true	[ { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md#private-declarations-for-stage-1" }, { "date": "2019-03-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-26.md" } ]	2020-01-21T05:45:29.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-Math.signbit	null	[ "JF Bastien" ]	[ "JF Bastien" ]	Math.signbit	proposal-Math.signbit	null	Math.signbit: IEEE-754 sign bit	true	[ { "date": "2017-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-23.md#16ib-mathsignbit-proposal" } ]	2020-02-06T17:23:33.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-call-this	null	[ "J.S. Choi" ]	[ "J.S. Choi" ]	A proposal for a simple call-this operator in JavaScript.	proposal-call-this	null	Call-this operator	true	[ { "date": "2021-10-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-27.md#bind-this-operator-for-stage-1" }, { "date": "2022-03-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-29.md" } ]	2023-05-05T18:26:02.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-import-meta	2,020	[ "Domenic Denicola" ]	[ "Gus Caplan" ]	import.meta proposal for JavaScript	proposal-import-meta	null	import.meta	true	[ { "date": "2020-03-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-1.md#importmeta-for-stage-4-continued-from-previous-day" }, { "date": "2017-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-27.md" } ]	2020-05-01T04:51:13.000Z	4	[ "ECMA-262", "archived" ]
https://github.com/tc39/proposal-module-keys	null	[ "Mike Samuel" ]	[ "Mike Samuel" ]	Proposed change before TC39 for reifying module identity - Stage 1 Proposal	proposal-module-keys	null	Module Keys	false	[ { "date": "2018-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-23.md#module-keys-strawman-for-stage-1" } ]	2019-07-01T12:39:23.000Z	1	[ "ECMA-262" ]
https://github.com/tc39/proposal-intl-locale	2,020	[ "Zibi Braniecki", "Daniel Ehrenberg" ]	[ "Zibi Braniecki", "Daniel Ehrenberg" ]	`Intl.Locale` specification [draft]	proposal-intl-locale	null	Intl.Locale	true	[ { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md#intllocale-for-stage-4" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" }, { "date": "2018-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-25.md" }, { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md" }, { "date": "2021-01-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-01/jan-26.md" }, { "date": "2021-04-20T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-04/apr-20.md" }, { "date": "2021-07-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-07/july-13.md" }, { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md" }, { "date": "2021-12-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-14.md" }, { "date": "2023-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-31.md" }, { "date": "2023-07-12T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-12.md" }, { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md" } ]	2022-01-24T20:18:17.000Z	4	[ "ECMA-402", "archived" ]
https://github.com/tc39/proposal-canonical-tz	null	[ "Justin Grant" ]	[ "Justin Grant", "Richard Gibson" ]	TC39 Proposal (stacked on Temporal) to improve handling of changes to the IANA Time Zone Database	proposal-canonical-tz	null	Time Zone Canonicalization	true	[ { "date": "2023-05-17T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-17.md#time-zone-canonicalization-for-stage-2" } ]	2023-09-25T23:58:15.000Z	2	[ "ECMA-262" ]
https://github.com/tc39/proposal-bigint	2,020	[ "Daniel Ehrenberg" ]	[ "Daniel Ehrenberg" ]	Arbitrary precision integers in JavaScript	proposal-bigint	null	BigInt	true	[ { "date": "2019-06-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-4.md#bigint-to-stage-4" }, { "date": "2017-05-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-24.md" }, { "date": "2017-07-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-26.md" }, { "date": "2017-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-27.md" }, { "date": "2018-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-25.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2019-07-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-23.md" }, { "date": "2021-08-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/sept-01.md" }, { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md" } ]	2019-10-09T01:42:58.000Z	4	[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-array-is-template-object

null

[ "Mike Samuel", "Krzysztof Kotowicz" ]

[ "Krzysztof Kotowicz" ]

TC39 proposal to identify template strings

proposal-array-is-template-object

null

Array.isTemplateObject

true

[ { "date": "2019-12-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-4.md#arrayistemplateobject-update" }, { "date": "2019-12-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-4.md" }, { "date": "2021-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-01/jan-25.md" } ]

2021-01-25T20:25:40.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-function-helpers

null

[]

[ "J. S. Choi" ]

A withdrawn proposal for standardizing some useful, popular helper functions into JavaScript’s Function object.

proposal-function-helpers

Presented and rejected before Stage 1 on 2021-10; split up into multiple subsequent proposals

Function helpers

false

null

2021-11-11T22:00:55.000Z

-1

[ "ECMA-262", "inactive", "archived" ]

https://github.com/tc39/proposal-regexp-unicode-property-escapes

2,018

[ "Mathias Bynens" ]

[ "Brian Terlson", "Daniel Ehrenberg", "Mathias Bynens" ]

Proposal to add Unicode property escapes `\p{…}` and `\P{…}` to regular expressions in ECMAScript.

proposal-regexp-unicode-property-escapes

null

RegExp Unicode Property Escapes

true

[ { "date": "2018-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-24.md#conclusionresolution-1" }, { "date": "2017-03-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-03/mar-21.md" }, { "date": "2017-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-23.md" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" }, { "date": "2018-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-24.md" }, { "date": "2020-06-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-2.md" } ]

2023-03-20T23:39:15.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-dynamic-code-brand-checks

null

[ "Mike Samuel", "Krzysztof Kotowicz" ]

[ "Krzysztof Kotowicz" ]

TC39 proposal that enables flexible brand checks before dynamic code loading

proposal-dynamic-code-brand-checks

null

Dynamic Code Brand Checks

true

[ { "date": "2019-12-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-5.md#dynamic-code-brand-checks-for-stage-2" }, { "date": "2019-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-25.md" }, { "date": "2021-01-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-01/jan-26.md" } ]

2021-01-13T12:26:10.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-global

2,020

[ "Jordan Harband" ]

ECMAScript Proposal, specs, and reference implementation for `global`

proposal-global

null

globalThis

true

[ { "date": "2019-10-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-1.md#globalthis-to-stage-4" }, { "date": "2016-07-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-07/jul-27.md" }, { "date": "2018-07-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-24.md" }, { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md" } ]

2019-10-01T20:41:06.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-object-rest-spread

2,018

[ "Sebastian Markbåge" ]

Rest/Spread Properties for ECMAScript

proposal-object-rest-spread

null

Rest/Spread Properties

true

[ { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md#restspread-properties-for-stage-4" } ]

2022-01-24T19:18:52.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-string-cooked

null

[ "Darien Maillet Valentine" ]

[ "Jamie Kyle", "Hemanth HM" ]

ECMAScript proposal for String.cooked built-in template tag

proposal-string-cooked

null

String.cooked

true

[ { "date": "2021-10-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-27.md#stringcooked" } ]

2022-07-01T22:00:33.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/Function-prototype-toString-revision

2,019

[ "Michael Ficarra" ]

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

null

Function.prototype.toString revision

false

[ { "date": "2018-11-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-27.md#conclusionresolution-13" }, { "date": "2016-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-11/nov-30.md" }, { "date": "2017-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-01/jan-24.md" }, { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" }, { "date": "2018-11-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-27.md" } ]

2022-01-24T18:55:15.000Z

4

[ "ECMA-262", "archived" ]

null

[]

[ "Allen Wirfs-Brock" ]

null

Withdrawn per PR comment

Annex B — HTML Attribute Event Handlers

false

null

-1

[ "ECMA-262", "withdrawn" ]

https://github.com/tc39/proposal-object-iteration

null

[]

[ "Jonathan Keslin" ]

ECMA TC39 proposal for making mapping over Objects more concise

proposal-object-iteration

Withdrawn: concern about need for such an API

Improving iteration on Objects

true

[ { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md" } ]

2020-10-30T16:20:09.000Z

-1

[ "ECMA-262", "withdrawn", "archived" ]

https://github.com/tc39/proposal-intl-era-monthcode

null

[ "Frank Yung-Fong Tang" ]

To specify necessary details about era, eraYear and monthCode usage with Temporal in internationalization setting (for calendars other than "iso8601").

proposal-intl-era-monthcode

null

Intl Era and MonthCode Proposal

true

[ { "date": "2023-01-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-01.md" } ]

2023-02-07T00:11:18.000Z

2

[ "ECMA-402" ]

https://github.com/tc39/proposal-private-fields-in-in

2,022

[ "Jordan Harband" ]

EcmaScript proposal to provide brand checks without exceptions

proposal-private-fields-in-in

null

Ergonomic brand checks for Private Fields

true

[ { "date": "2021-07-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-07/july-14.md#ergonomic-brand-checks-for-stage-4" }, { "date": "2020-06-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-1.md" }, { "date": "2020-07-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-22.md" }, { "date": "2020-09-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-23.md" }, { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md" }, { "date": "2021-07-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-07/july-14.md" } ]

2021-07-14T23:07:43.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-import-attributes

null

[ "Myles Borins", "Sven Sauleau", "Dan Clark", "Daniel Ehrenberg" ]

[ "Sven Sauleau", "Dan Clark", "Daniel Ehrenberg", "Nicolò Ribaudo" ]

Proposal for syntax to import ES modules with assertions

proposal-import-attributes

null

Import Attributes

true

[ { "date": "2023-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-22.md#import-assertionsattributes-for-stage-3" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" } ]

2023-09-28T04:42:31.000Z

3

[ "ECMA-262" ]

https://github.com/tc39/proposal-integer-and-modulus-math

null

[ "Peter Hoddie" ]

Proposal for additional static methods on Math

proposal-integer-and-modulus-math

null

Modulus and Additional Integer Math

false

[ { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md#modulus-and-additional-integer-math-for-stage-1" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" } ]

2023-07-09T18:52:01.000Z

1

[ "ECMA-262" ]

https://github.com/bmeck/proposal-from-import

null

[]

[ "Bradley Farias" ]

AKA: make code completion work.

proposal-from-import

Never presented; preliminary feedback about syntax cost not being worth the weight

from ... import

false

null

2020-04-03T16:13:59.000Z

-1

[ "ECMA-262", "inactive" ]

https://web.archive.org/web/20160804042547/http://wiki.ecmascript.org/doku.php?id=strawman:defensible_classes

null

[ "Mark Miller", "Doug Crockford" ]

null

Defensible Classes

false

null

0

[ "ECMA-262" ]

https://github.com/tc39/proposal-resizablearraybuffer

2,024

[ "Shu-yu Guo" ]

Proposal for resizable array buffers

proposal-resizablearraybuffer

null

Resizable and growable ArrayBuffers

true

[ { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md#resizable-buffers-for-stage-4" }, { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2021-04-20T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-04/apr-20.md" }, { "date": "2021-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-05/may-25.md" }, { "date": "2021-08-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/sept-01.md" }, { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md" }, { "date": "2022-03-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-30.md" }, { "date": "2022-07-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-19.md" }, { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" } ]

2023-10-24T20:09:08.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-intl-DateTimeFormat-formatRange

2,021

[ "Felipe Balbontín" ]

[ "Sathya Gunasekaran" ]

ECMA 402 proposal for DateTimeFormat.prototype.{formatRange,formatRangeToParts}

proposal-intl-DateTimeFormat-formatRange

null

Intl.DateFormat.prototype.formatRange

true

[ { "date": "2019-03-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-26.md" } ]

2021-02-23T21:14:30.000Z

4

[ "ECMA-402", "archived" ]

https://github.com/rxaviers/ecma402-number-format-round-option

null

[ "Rafael Xavier" ]

Ecma-402 proposal for selecting different rounding functions for Intl.NumberFormat

null

Intl.NumberFormat round option

false

null

2015-07-14T18:55:53.000Z

0

[ "ECMA-402" ]

https://github.com/tc39/proposal-intl-segmenter-v2

null

[ "Frank Yung-Fong Tang" ]

Version 2 of Intl Segmenter. Adding line break support.

proposal-intl-segmenter-v2

null

Intl.Segmenter v2

true

null

2022-05-10T16:26:03.000Z

1

[ "ECMA-402" ]

https://github.com/tc39/proposal-async-await

2,017

[ "Brian Terlson" ]

Async/await for ECMAScript

proposal-async-await

null

Async functions

true

[ { "date": "2016-07-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-07/jul-28.md#10iv-async-functions" } ]

2023-02-02T16:38:58.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-built-in-modules

null

[ "Michael Saboff", "Mattijs Hoitink" ]

[ "Michael Saboff", "Mattijs Hoitink", "Mark Miller" ]

null

proposal-built-in-modules

null

Built In Modules (aka JS Standard Library)

true

[ { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md#builtin-modules-for-stage-2" }, { "date": "2020-06-03T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-3.md" }, { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md" } ]

2023-06-02T05:05:32.000Z

1

[ "ECMA-262" ]

https://github.com/devsnek/proposal-unused-function-parameters

null

[]

[ "Gus Caplan" ]

null

proposal-unused-function-parameters

Rejected: the need to solve the problem does not outweigh the hazards

Unused Function Parameters

false

[ { "date": "2020-09-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-24.md" } ]

2020-08-12T03:08:11.000Z

-1

[ "ECMA-262", "inactive" ]

https://github.com/tc39/proposal-freeze-prototype

null

[ "Kevin Gibbons" ]

TC39 for some method to freeze object prototypes

proposal-freeze-prototype

null

Freezing prototypes

false

[ { "date": "2019-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-31.md#freezing-prototypes-for-stage-1" } ]

2020-11-30T08:38:08.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-type-annotations

null

[ "Gil Tayar", "Daniel Rosenwasser", "Romulo Cintra", "Rob Palmer" ]

[ "Daniel Rosenwasser", "Romulo Cintra", "Rob Palmer" ]

ECMAScript proposal for type syntax that is erased - Stage 1

proposal-type-annotations

null

Type Annotations

true

[ { "date": "2022-03-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-29.md#types-as-comments-for-stage-1" }, { "date": "2022-03-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-31.md" }, { "date": "2023-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-22.md" }, { "date": "2023-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-27.md" } ]

2023-09-22T18:17:26.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-setmap-offrom

null

[ "Leo Balter" ]

null

proposal-setmap-offrom

null

of and from on collection constructors

true

[ { "date": "2016-09-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-09/sept-29.md#11iic-set-map-weakset-and-weakmap-of-and-from-methods" }, { "date": "2021-12-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-14.md" } ]

2022-12-10T06:22:08.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-optional-chaining

2,020

[ "Gabriel Isenberg", "Claude Pache", "Dustin Savery" ]

[ "Gabriel Isenberg", "Dustin Savery", "Justin Ridgewell", "Daniel Rosenwasser" ]

null

proposal-optional-chaining

null

Optional Chaining

true

[ { "date": "2019-12-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-4.md#optional-chaining-for-stage-4" }, { "date": "2017-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-27.md" }, { "date": "2018-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-24.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2018-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-28.md" }, { "date": "2019-06-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-5.md" }, { "date": "2019-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-25.md" }, { "date": "2019-12-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-4.md" }, { "date": "2023-07-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-13.md" } ]

2022-01-24T21:12:16.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-extensions

null

[ "HE Shi-Jun" ]

Extensions proposal for ECMAScript

proposal-extensions

null

Extensions

false

[ { "date": "2020-11-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-11/nov-19.md#extensions-for-stage-1" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" } ]

2023-01-18T06:45:39.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-string-prototype-codepoints

null

[ "Ingvar Stepanyan" ]

[ "Mathias Bynens" ]

String.prototype.codePoints proposal for ECMAScript (stage 1)

proposal-string-prototype-codepoints

null

String.prototype.codePoints

true

[ { "date": "2018-05-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-22.md#stringprototypecodepoints-for-stage-2" } ]

2021-04-09T09:08:50.000Z

1

[ "ECMA-262" ]

https://github.com/mathiasbynens/String.prototype.at

null

[]

[ "Mathias Bynens", "Rick Waldron" ]

A robust & optimized ES3-compatible polyfill for the `String.prototype.at` proposal for ECMAScript 6/7.

null

Obsoleted by renamed String.prototype.item proposal

String.prototype.at

false

null

2020-11-19T07:38:04.000Z

-1

[ "ECMA-262", "inactive", "archived" ]

https://github.com/tc39/proposal-first-class-protocols

null

[ "Michael Ficarra" ]

a proposal to bring protocol-based interfaces to ECMAScript users

proposal-first-class-protocols

null

First-class protocols

false

[ { "date": "2018-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-25.md#updates-on-first-class-protocols" } ]

2022-11-28T19:58:35.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-ecmascript-sharedmem

2,017

[ "Lars T Hansen" ]

Shared memory and atomics for ECMAscript

proposal-ecmascript-sharedmem

null

Shared memory and atomics

true

[ { "date": "2017-01-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-01/jan-24.md#13if-seeking-stage-4-for-sharedarraybuffer" } ]

2022-01-24T18:48:45.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-regexp-unicode-sequence-properties

null

[ "Mathias Bynens" ]

Proposal to add support for sequence properties in Unicode property escapes to ECMAScript regular expressions.

proposal-regexp-unicode-sequence-properties

null

Sequence properties in Unicode property escapes

true

[ { "date": "2019-10-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-2.md#update-on-sequence-property-escapes-in-unicode-regular-expressions" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" }, { "date": "2019-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-31.md" }, { "date": "2019-10-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-2.md" } ]

2022-05-20T07:28:10.000Z

2

[ "ECMA-262", "archived" ]

null

[]

[ "Brendan Eich" ]

null

Change Number.parseInt/parseFloat to not coerce null/undefined/NaN (repo link TBD)

false

[ { "date": "2017-07-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-26.md#13iib-consider-changing-numberparseint-and-numberparsefloat" } ]

null

1

[ "ECMA-262" ]

https://github.com/justinfagnani/proposal-mixins

null

[ "Justin Fagnani" ]

A template for ECMAScript proposals

proposal-mixins

null

Maximally minimal mixins

false

[ { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md#13iiie-maximally-minimal-mixins-proposal" } ]

2019-12-06T18:21:44.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-is-usv-string

2,024

[ "Guy Bedford", "Bradley Farias" ]

[ "Guy Bedford", "Bradley Farias", "Michael Ficarra" ]

a proposal for a method to determine if a String is welll-formed Unicode

proposal-is-usv-string

null

Well-Formed Unicode Strings

true

[ { "date": "2023-05-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-15.md#well-formed-unicode-strings-for-stage-4" }, { "date": "2022-09-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-13.md" }, { "date": "2022-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/nov-30.md" }, { "date": "2023-05-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-15.md" } ]

2023-05-15T18:22:31.000Z

4

[ "ECMA-262" ]

https://github.com/tc39/proposal-numeric-separator

2,021

[ "Sam Goto", "Rick Waldron" ]

[ "Sam Goto", "Rick Waldron", "Leo Balter" ]

A proposal to add numeric literal separators in JavaScript.

proposal-numeric-separator

null

Numeric separators

true

[ { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md#numericliteralseparator-for-stage-4" }, { "date": "2017-07-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-27.md" }, { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" }, { "date": "2019-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-30.md" }, { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md" }, { "date": "2020-07-20T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-20.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" } ]

2021-07-16T15:18:56.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-decorators

null

[ "Daniel Ehrenberg", "Kristen Hewell Garrett" ]

[ "Kristen Hewell Garrett" ]

Decorators for ES6 classes

proposal-decorators

null

Decorators

true

[ { "date": "2022-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-28.md#decorators-for-stage-3" }, { "date": "2016-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-05/may-25.md" }, { "date": "2018-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-25.md" }, { "date": "2018-03-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-21.md" }, { "date": "2018-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-23.md" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" }, { "date": "2019-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-30.md" }, { "date": "2019-03-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-27.md" }, { "date": "2020-03-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-2.md" }, { "date": "2020-06-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-2.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" }, { "date": "2020-09-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-23.md" }, { "date": "2021-07-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-07/july-14.md" }, { "date": "2021-12-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-15.md" }, { "date": "2022-03-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-31.md" }, { "date": "2022-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-28.md" }, { "date": "2022-03-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-30.md" }, { "date": "2023-01-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-02.md" }, { "date": "2023-01-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-01.md" }, { "date": "2023-03-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-21.md" }, { "date": "2023-05-16T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-16.md" } ]

2023-06-13T17:08:54.000Z

3

[ "ECMA-262" ]

https://github.com/tc39/proposal-dynamic-import-host-adjustment

null

[ "Mike Samuel", "Krzysztof Kotowicz" ]

[ "Krzysztof Kotowicz" ]

TC39 proposal that affects doesn't stringify argument to import(...) early to enable interop with WICG/trusted-types

proposal-dynamic-import-host-adjustment

null

Dynamic Import Host Adjustment

true

[ { "date": "2019-12-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-5.md#dynamic-import-host-adjustment-for-stage-2" } ]

2019-12-05T21:50:43.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-stable-formatting

null

[ "Eemeli Aro" ]

A TC-39 proposal to bring stable Intl-inspired formatting options to ECMAScript

proposal-stable-formatting

null

Stable Formatting

false

[ { "date": "2023-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-27.md#stable-formatting-for-stage-1" } ]

2023-09-28T02:19:58.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-readonly-collections

null

[ "Mark Miller", "Peter Hoddie" ]

Proposal: snapshot,diverge,readOnlyView methods for all collections

proposal-readonly-collections

null

Readonly Collections

false

[ { "date": "2019-10-03T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-3.md#readonly-collections-for-stage-1" }, { "date": "2021-04-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-04/apr-21.md" } ]

2019-11-26T04:18:02.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-intl-segmenter

2,022

[ "Daniel Ehrenberg", "Richard Gibson" ]

[ "Richard Gibson" ]

Unicode text segmentation for ECMAScript

proposal-intl-segmenter

null

Intl.Segmenter: Unicode Segmentation in JavaScript

true

[ { "date": "2016-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-11/nov-30.md" }, { "date": "2017-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-23.md" }, { "date": "2017-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-25.md" }, { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md" }, { "date": "2020-06-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-4.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md" }, { "date": "2023-07-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-13.md" } ]

2022-01-21T20:50:03.000Z

4

[ "ECMA-402" ]

https://github.com/domenic/proposal-arraybuffer-transfer

null

[]

[ "Domenic Denicola", "Shu-yu Guo" ]

Former home of the now-withdrawn ArrayBuffer.prototype.transfer() proposal for JavaScript

proposal-arraybuffer-transfer

Withdrawn: superseded by Resizable Buffers

ArrayBuffer.prototype.transfer

true

[ { "date": "2018-07-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-24.md" } ]

2021-10-05T21:58:21.000Z

-1

[ "ECMA-262", "withdrawn", "archived" ]

https://github.com/tc39/proposal-regexp-dotall-flag

2,018

[ "Mathias Bynens" ]

[ "Brian Terlson", "Mathias Bynens" ]

Proposal to add the `s` (`dotAll`) flag to regular expressions in ECMAScript.

proposal-regexp-dotall-flag

null

s (dotAll) flag for regular expressions

true

[ { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md#9ie-regexp-dotall-status-update" }, { "date": "2017-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-23.md" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" } ]

2022-01-24T20:15:12.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-class-static-block

2,022

[ "Ron Buckton" ]

ECMAScript class static initialization blocks

proposal-class-static-block

null

Class Static Block

true

[ { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md#class-static-initialization-blocks-for-stage-4" }, { "date": "2020-09-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-22.md" }, { "date": "2021-03-09T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-9.md" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" } ]

2021-08-31T19:56:36.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-weakrefs

2,021

[ "Dean Tribble", "Sathya Gunasekaran" ]

[ "Dean Tribble", "Mark Miller", "Till Schneidereit", "Sathya Gunasekaran", "Daniel Ehrenberg" ]

WeakRefs

proposal-weakrefs

null

WeakRefs

true

[ { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md#weakrefs-for-stage-4--cleanupsome-for-stage-23" }, { "date": "2016-03-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-03/march-31.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md" }, { "date": "2019-06-06T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-6.md" }, { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md" }, { "date": "2020-02-06T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-6.md" }, { "date": "2020-03-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-1.md" }, { "date": "2020-03-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-2.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" } ]

2022-01-24T21:19:49.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-pipeline-operator

null

[ "J. S. Choi", "James DiGioia", "Ron Buckton", "Tab Atkins" ]

[ "J. S. Choi", "Ron Buckton", "Tab Atkins" ]

A proposal for adding a useful pipe operator to JavaScript.

proposal-pipeline-operator

null

Pipeline Operator

true

[ { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md#pipeline-operator-for-stage-2" }, { "date": "2017-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-26.md" }, { "date": "2017-11-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-29.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2022-03-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-29.md" } ]

2023-01-23T20:35:27.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-trailing-function-commas

2,017

[ "Jeff Morrison" ]

null

proposal-trailing-function-commas

null

Trailing commas in function parameter lists and calls

true

[ { "date": "2016-07-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-07/jul-26.md#9ie-trailing-commas-in-functions" } ]

2017-03-27T10:22:59.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-eventual-send

null

[ "Mark Miller", "Chip Morningstar", "Michael Fig" ]

TC39 Eventual Send proposal

proposal-eventual-send

null

Support for Distributed Promise Pipelining

false

[ { "date": "2019-10-03T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-3.md#eventual-send-support-for-distributed-promise-pipelining" }, { "date": "2019-12-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-5.md" } ]

2023-08-07T04:55:26.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-idl

null

[ "Daniel Ehrenberg" ]

Investigation into using an Interface Description Language (IDL) in the ECMAScript standard

proposal-idl

null

IDL for ECMAScript

false

[ { "date": "2018-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-27.md#idl-for-javascript" } ]

2021-04-09T09:08:50.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-partial-application

null

[ "Ron Buckton" ]

Proposal to add partial application to ECMAScript

proposal-partial-application

null

Partial application

true

[ { "date": "2018-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-25.md#partial-application" }, { "date": "2018-07-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-07/july-25.md" }, { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md" } ]

2022-05-22T16:32:16.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-symbol-predicates

null

[ "Robin Ricard", "Jordan Harband" ]

[ "Ashley Claymore", "Jordan Harband" ]

A proposal to introduce ways to differentiate symbols

proposal-symbol-predicates

null

Symbol Predicates

true

[ { "date": "2023-01-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-01.md#symbol-predicates" }, { "date": "2023-01-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/feb-01.md" }, { "date": "2023-05-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-15.md" } ]

2023-05-15T17:07:24.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-destructuring-private

null

[ "Justin Ridgewell" ]

A proposal integrate private fields and destructuring

proposal-destructuring-private

null

Destructure Private Fields

true

[ { "date": "2021-12-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-14.md#destructuring-private-fields" }, { "date": "2021-12-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-14.md" } ]

2022-03-18T01:36:23.000Z

2

[ "ECMA-262" ]

https://github.com/rbuckton/proposal-shorthand-improvements

null

[ "Ron Buckton" ]

A proposal to introduce new shorthand assignment forms for ECMAScript object literals

proposal-shorthand-improvements

null

Object Shorthand Improvements

true

[ { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md#13i-object-shorthand-improvements" }, { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md" } ]

2017-07-24T23:44:20.000Z

0

[ "ECMA-262" ]

https://github.com/zkat/proposal-as-patterns

null

[ "Kat Marchán" ]

`as` destructuring patterns

proposal-as-patterns

null

as destructuring patterns

false

null

2018-05-10T04:01:42.000Z

0

[ "ECMA-262" ]

https://github.com/tc39/proposal-top-level-await

2,022

[ "Myles Borins", "Yulia Startsev", "Daniel Ehrenberg", "Guy Bedford", "Ms2ger" ]

[ "Myles Borins", "Yulia Startsev" ]

top-level `await` proposal for ECMAScript (stage 4)

proposal-top-level-await

null

Top-level await

true

[ { "date": "2021-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-05/may-25.md#top-level-await" }, { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md" }, { "date": "2019-06-06T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-6.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2021-03-09T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-9.md" }, { "date": "2021-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-05/may-25.md" } ]

2021-05-28T08:02:18.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-optional-catch-binding

2,019

[ "Michael Ficarra" ]

proposal for ECMAScript to allow omission of the catch binding

proposal-optional-catch-binding

null

Optional catch binding

true

[ { "date": "2018-05-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-22.md#conclusionresolution-7" } ]

2018-05-22T18:40:00.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-uniform-interchange-date-parsing

null

[ "Richard Gibson" ]

Proposal to standardize Date.parse behavior for interchange-like input

proposal-uniform-interchange-date-parsing

null

uniform parsing of quasi-standard Date.parse input

true

[ { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md#uniform-parsing-of-quasi-standard-dateparse-input" }, { "date": "2019-03-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-26.md" } ]

2023-09-13T17:21:02.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-smart-unit-preferences

null

[ "Younies Mahmoud" ]

null

proposal-smart-unit-preferences

null

Smart Unit Preferences in Intl.NumberFormat

false

[ { "date": "2020-06-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/840c700dc7fa7b9f6d0a3c208bd66b333e304717/meetings/2020-06/june-4.md#smart-unit-preferences-in-intlnumberformat-for-stage-1" } ]

2022-04-15T19:51:06.000Z

1

[ "ECMA-402" ]

https://github.com/tc39/proposal-richer-keys

null

[ "Bradley Farias" ]

Cross cutting proposals around custom identities in collections

proposal-richer-keys

null

Richer Keys

true

[ { "date": "2019-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-30.md#richer-keys-for-stage-2" } ]

2019-10-28T13:57:47.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-record-tuple

null

[ "Robin Ricard", "Richard Button" ]

ECMAScript proposal for the Record and Tuple value types. | Stage 2: it will change!

proposal-record-tuple

null

Record & Tuple

true

[ { "date": "2021-12-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-15.md#records-and-tuples" }, { "date": "2020-03-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-1.md" }, { "date": "2020-06-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-1.md" }, { "date": "2020-07-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-22.md" }, { "date": "2020-09-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-22.md" }, { "date": "2021-10-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-28.md" }, { "date": "2021-12-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-15.md" }, { "date": "2022-07-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-19.md" }, { "date": "2022-09-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-13.md" }, { "date": "2022-09-15T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-15.md" } ]

2023-04-21T13:00:53.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-reversible-string-split

null

[ "Luca Casonato" ]

String.prototype.splitn for ECMAScript

proposal-reversible-string-split

null

Reversible string split

false

[ { "date": "2022-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-01/jan-25.md#reversible-string-split" } ]

2023-02-26T06:36:14.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-upsert

null

[ "Bradley Farias" ]

[ "Erica Pramer" ]

ECMAScript Proposal, specs, and reference implementation for Map.prototype.upsert

proposal-upsert

null

Map.prototype.emplace

true

[ { "date": "2020-07-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-22.md#upsert-now-renamed-emplace-updates--for-stage-3" }, { "date": "2020-07-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-22.md" } ]

2022-12-10T02:27:03.000Z

2

[ "ECMA-262" ]

https://github.com/jasnell/proposal-istypes

null

[]

[ "James M Snell" ]

TC-39 Proposal for additional is{Type} APIs

proposal-istypes

Withdrawn: can be solved in other ways

Builtins.typeOf() and Builtins.is()

false

[ { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md" } ]

2019-04-28T11:23:02.000Z

-1

[ "ECMA-262", "withdrawn" ]

https://github.com/tc39/proposal-string-pad-start-end

2,017

[ "Jordan Harband" ]

[ "Jordan Harband", "Rick Waldron" ]

ECMAScript spec proposal for String.prototype.{padStart,padEnd}

proposal-string-pad-start-end

null

String padding

true

[ { "date": "2016-05-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-05/may-25.md#stringprototypepadstartend-jhd" } ]

2021-04-23T15:41:14.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-defer-import-eval

null

[ "Yulia Startsev", "Guy Bedford" ]

[ "Yulia Startsev", "Guy Bedford", "Nicolò Ribaudo" ]

A proposal for introducing a way to defer evaluate of a module

proposal-defer-import-eval

null

Deferring Module Evaluation

true

[ { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md#deferred-import-evaluation" }, { "date": "2022-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/nov-30.md" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" } ]

2023-10-30T14:47:34.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-Symbol-description

2,019

[ "Michael Ficarra" ]

proposal to add Symbol.prototype.description to ECMAScript

proposal-Symbol-description

null

Symbol.prototype.description

true

[ { "date": "2018-11-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-27.md#conclusionresolution-12" }, { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md" }, { "date": "2018-05-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-22.md" }, { "date": "2018-11-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-11/nov-27.md" } ]

2018-11-28T00:49:58.000Z

4

[ "ECMA-262" ]

https://github.com/tc39/proposal-function.sent

null

[ "Allen Wirfs-Brock" ]

[ "HE Shi-Jun" ]

Generator function.sent Meta Property

proposal-function.sent

null

function.sent metaproperty

false

[ { "date": "2019-07-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-23.md#making-functionsent-inactive" }, { "date": "2022-06-07T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-06/jun-07.md" } ]

2021-04-22T19:02:33.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-intl-plural-rules

2,018

[ "Caridy Patiño", "Eric Ferraiuolo" ]

`Intl.PluralRules` specification [draft]

proposal-intl-plural-rules

null

Intl.PluralRules

false

[ { "date": "2017-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-26.md#12ig-intlpluralrules-for-stage-4" }, { "date": "2016-11-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-11/nov-29.md" }, { "date": "2017-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-26.md" } ]

2022-01-24T18:54:04.000Z

4

[ "ECMA-402", "archived" ]

https://github.com/tc39/proposal-symbol-proto

null

[ "Santiago Díaz", "Jun Kokatsu" ]

[ "Shu-Yu Guo" ]

TC39 proposal for mitigating prototype pollution

proposal-symbol-proto

null

Prototype pollution mitigation

false

[ { "date": "2023-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-30.md#prototype-pollution-mitigation--symbolproto" } ]

2023-08-29T09:26:12.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-flatMap

2,019

[ "Brian Terlson", "Michael Ficarra", "Mathias Bynens" ]

[ "Brian Terlson", "Michael Ficarra" ]

proposal for flatten and flatMap on arrays

proposal-flatMap

null

Array.prototype.{flat,flatMap}

true

[ { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md#arrayprototypeflatflatmap-for-stage-4" }, { "date": "2017-07-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-27.md" }, { "date": "2017-09-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-28.md" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" }, { "date": "2018-03-20T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-20.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" }, { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md" } ]

2022-01-24T19:06:13.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/samuelgoto/proposal-block-params

null

[ "Sam Goto" ]

A syntactical simplification in JS to enable DSLs

proposal-block-params

null

Block Params

false

[ { "date": "2017-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-30.md#9iiia-block-params-to-stage-1" }, { "date": "2017-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-30.md" } ]

2021-02-10T06:20:52.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-bigint-math

null

[ "J.S. Choi" ]

Draft specification for supporting BigInts in JavaScript’s Math methods.

proposal-bigint-math

null

BigInt Math

true

[ { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md#bigint-math-update" }, { "date": "2021-08-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/sept-01.md" }, { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md" } ]

2022-07-11T17:21:44.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-iterator-helpers

null

[ "Gus Caplan" ]

[ "Michael Ficarra", "Jonathan Keslin", "Kevin Gibbons" ]

Methods for working with iterators in ECMAScript

proposal-iterator-helpers

null

Sync Iterator helpers

true

[ { "date": "2022-11-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/dec-01.md#iterator-helpers-for-stage-3" }, { "date": "2019-07-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-24.md" }, { "date": "2020-06-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-1.md" }, { "date": "2020-06-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-4.md" }, { "date": "2020-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-07/july-21.md" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" }, { "date": "2022-09-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-14.md" }, { "date": "2023-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-31.md" }, { "date": "2023-03-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-21.md" }, { "date": "2023-05-16T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-16.md" }, { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md" }, { "date": "2023-07-11T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-11.md" }, { "date": "2022-07-21T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-21.md" } ]

2023-10-17T02:29:43.000Z

3

[ "ECMA-262" ]

https://github.com/tc39/proposal-cancelable-promises

null

[]

[ "Domenic Denicola" ]

Former home of the now-withdrawn cancelable promises proposal for JavaScript

proposal-cancelable-promises

Withdrawn

Cancelable Promises

true

[ { "date": "2016-09-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2016-09/sept-29.md" } ]

2016-12-15T18:37:18.000Z

-1

[ "ECMA-262", "withdrawn", "archived" ]

https://github.com/tc39/proposal-intl-duration-format

null

[ "Younies Mahmoud", "Ujjwal Sharma" ]

null

proposal-intl-duration-format

null

Intl.DurationFormat

true

[ { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md#durationformat" }, { "date": "2020-06-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-2.md" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" }, { "date": "2021-10-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-25.md" }, { "date": "2022-06-07T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-06/jun-07.md" }, { "date": "2022-09-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-09/sep-13.md" }, { "date": "2022-11-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/dec-01.md" }, { "date": "2023-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-31.md" }, { "date": "2023-05-17T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-17.md" }, { "date": "2023-07-12T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-12.md" } ]

2023-11-16T17:53:36.000Z

3

[ "ECMA-402" ]

https://github.com/tc39/proposal-async-iterator-helpers

null

[ "Gus Caplan" ]

[ "Michael Ficarra", "Jonathan Keslin", "Kevin Gibbons" ]

Methods for working with async iterators in ECMAScript

proposal-async-iterator-helpers

null

Async Iterator helpers

true

[ { "date": "2023-05-18T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-18.md" }, { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md" } ]

2023-11-10T10:18:44.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-seeded-random

null

[ "Tab Atkins" ]

Proposal for an options argument to be added to JS's Math.random() function, and some options to start it with.

proposal-seeded-random

null

Math.seededRandoms()

true

[ { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md#13iif-mathseededrandoms-for-stage-1" } ]

2021-01-08T17:50:31.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-csprng

null

[ "Ron Buckton" ]

Cryptographically Secure Random Number Generation for ECMAScript

proposal-csprng

null

Cryptographically Secure Random Number Generation

true

[ { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md#arraybufferfillrandom-for-stage-1" } ]

2022-12-10T17:00:05.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-iterator.range

null

[ "Jack Works" ]

A proposal for ECMAScript to add a built-in Iterator.range()

proposal-iterator.range

null

Iterator.range

true

[ { "date": "2023-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-22.md#iteratorrange-for-stage-2" }, { "date": "2023-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-03/mar-22.md" } ]

2023-04-06T01:09:06.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-error-stacks

null

[ "Jordan Harband" ]

ECMAScript Proposal, specs, and reference implementation for Error.prototype.stack / System.getStack

proposal-error-stacks

null

Error stacks

true

[ { "date": "2017-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-01/jan-25.md#15iiia-error-stacks-seeking-stage-1" }, { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md" }, { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md" } ]

2023-10-04T13:26:00.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-intl-displaynames

2,021

[ "Frank Yung-Fong Tang" ]

[ "Frank Yung-Fong Tang." ]

Get localized display names for languages, scripts, regions and others. https://tc39.github.io/proposal-intl-displaynames/

proposal-intl-displaynames

null

Intl.DisplayNames

true

[ { "date": "2020-09-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-22.md#intldisplaynames-for-stage-4" }, { "date": "2019-06-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-5.md" }, { "date": "2019-10-02T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-10/october-2.md" }, { "date": "2020-09-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-09/sept-22.md" } ]

2020-09-22T04:32:15.000Z

4

[ "ECMA-402", "archived" ]

https://github.com/tc39/proposal-intl-eradisplay

null

[ "Louis-Aime" ]

[ "Shane Carr", "Louis-Aime" ]

Intl.DateTimeFormat displays era field only if date displayed is in same era as today's

proposal-intl-eradisplay

null

eraDisplay option for Intl.DateTimeFormat

true

null

2022-11-29T10:24:37.000Z

2

[ "ECMA-402" ]

https://github.com/tc39/proposal-compartments

null

[ "Bradley Farias" ]

[ "Bradley Farias", "Mark S. Miller", "Caridy Patiño", "J.F. Paradis", "Patrick Soquet", "Kris Kowal" ]

Compartmentalization of host behavior hooks for JS

proposal-compartments

null

Compartments

false

[ { "date": "2020-03-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-1.md#compartments-for-stage-1" }, { "date": "2022-07-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-19.md" }, { "date": "2022-11-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-11/nov-30.md" } ]

2022-12-19T13:44:19.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-error-cause

2,022

[ "Chengzhong Wu" ]

[ "Chengzhong Wu", "Hemanth HM" ]

TC39 proposal for accumulating errors

proposal-error-cause

null

Error Cause

true

[ { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md#error-cause-for-stage-4" }, { "date": "2020-11-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-11/nov-19.md" }, { "date": "2021-03-10T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-03/mar-10.md" }, { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md" } ]

2021-10-26T17:27:58.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-change-array-by-copy

2,023

[ "Ashley Claymore", "Robin Ricard" ]

Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.

proposal-change-array-by-copy

null

Change Array by Copy

true

[ { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" }, { "date": "2021-10-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-27.md" }, { "date": "2022-06-07T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-06/jun-07.md" }, { "date": "2022-03-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-30.md" }, { "date": "2022-07-19T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-07/jul-19.md" }, { "date": "2023-01-30T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-30.md" } ]

2023-08-01T08:30:33.000Z

4

[ "ECMA-262" ]

https://github.com/tc39/proposal-number-fromstring

null

[ "Mathias Bynens" ]

{BigInt,Number}.fromString(string, radix)

proposal-number-fromstring

null

{BigInt,Number}.fromString

true

[ { "date": "2018-01-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-23.md#13iic-bigintnumberfromstring-for-stage-1" } ]

2019-01-11T13:51:46.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-well-formed-stringify

2,019

[ "Richard Gibson" ]

[ "Mathias Bynens" ]

Proposal to prevent JSON.stringify from returning ill-formed strings

proposal-well-formed-stringify

null

Well-formed JSON.stringify

true

[ { "date": "2019-01-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-01/jan-29.md#well-formed-jsonstringify-for-stage-4" }, { "date": "2018-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-09/sept-26.md" } ]

2019-01-29T22:50:43.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-emitter

null

[ "Shu-yu Guo", "Pedram Emrouznejad" ]

null

proposal-emitter

null

Emitter

true

[ { "date": "2019-06-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-5.md#emitter-for-stage-1" } ]

2019-06-16T17:16:06.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-rm-builtin-subclassing

null

[ "Yulia Startsev", "Shu-yu Guo" ]

Remove ES6 built-in subclassing

proposal-rm-builtin-subclassing

null

Restrict subclassing support in built-in methods

false

[ { "date": "2020-06-03T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-06/june-3.md#restrict-subclassing-support-for-built-in-methods-stage-1" } ]

2021-02-06T18:22:38.000Z

1

[ "ECMA-262" ]

https://github.com/zkat/proposal-collection-literals

null

[]

[ "Kat Marchán" ]

[WITHDRAWN] tc39 proposal for custom collection literals

proposal-collection-literals

Withdrawn: pursuing when new syntax and other alternatives

Tagged Collection Literals

false

null

2018-05-25T16:14:37.000Z

-1

[ "ECMA-262", "withdrawn" ]

https://github.com/tc39/proposal-bind-operator

null

[ "Kevin Smith" ]

[ "Brian Terlson", "Matthew Podwysocki" ]

This-Binding Syntax for ECMAScript

proposal-bind-operator

null

Function bind syntax

false

[ { "date": "2015-03-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2015-03/mar-25.md#6vi-function-bind-and-private-fields-redux-kevin-smith" }, { "date": "2021-08-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/aug-31.md" } ]

2018-01-19T16:03:21.000Z

0

[ "ECMA-262" ]

https://github.com/tc39/proposal-private-declarations

null

[ "Justin Ridgewell" ]

A proposal to allow trusted code _outside_ of the class lexical scope to access private state

proposal-private-declarations

null

Private declarations

true

[ { "date": "2019-03-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-28.md#private-declarations-for-stage-1" }, { "date": "2019-03-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-03/mar-26.md" } ]

2020-01-21T05:45:29.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-Math.signbit

null

[ "JF Bastien" ]

Math.signbit

proposal-Math.signbit

null

Math.signbit: IEEE-754 sign bit

true

[ { "date": "2017-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-23.md#16ib-mathsignbit-proposal" } ]

2020-02-06T17:23:33.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-call-this

null

[ "J.S. Choi" ]

A proposal for a simple call-this operator in JavaScript.

proposal-call-this

null

Call-this operator

true

[ { "date": "2021-10-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-27.md#bind-this-operator-for-stage-1" }, { "date": "2022-03-29T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2022-03/mar-29.md" } ]

2023-05-05T18:26:02.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-import-meta

2,020

[ "Domenic Denicola" ]

[ "Gus Caplan" ]

import.meta proposal for JavaScript

proposal-import-meta

null

import.meta

true

[ { "date": "2020-03-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-03/april-1.md#importmeta-for-stage-4-continued-from-previous-day" }, { "date": "2017-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-27.md" } ]

2020-05-01T04:51:13.000Z

4

[ "ECMA-262", "archived" ]

https://github.com/tc39/proposal-module-keys

null

[ "Mike Samuel" ]

Proposed change before TC39 for reifying module identity - Stage 1 Proposal

proposal-module-keys

null

Module Keys

false

[ { "date": "2018-05-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-05/may-23.md#module-keys-strawman-for-stage-1" } ]

2019-07-01T12:39:23.000Z

1

[ "ECMA-262" ]

https://github.com/tc39/proposal-intl-locale

2,020

[ "Zibi Braniecki", "Daniel Ehrenberg" ]

`Intl.Locale` specification [draft]

proposal-intl-locale

null

Intl.Locale

true

[ { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md#intllocale-for-stage-4" }, { "date": "2017-11-28T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-11/nov-28.md" }, { "date": "2018-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-25.md" }, { "date": "2020-02-05T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2020-02/february-5.md" }, { "date": "2021-01-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-01/jan-26.md" }, { "date": "2021-04-20T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-04/apr-20.md" }, { "date": "2021-07-13T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-07/july-13.md" }, { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md" }, { "date": "2021-12-14T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-12/dec-14.md" }, { "date": "2023-01-31T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-01/jan-31.md" }, { "date": "2023-07-12T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-07/july-12.md" }, { "date": "2023-09-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-09/september-26.md" } ]

2022-01-24T20:18:17.000Z

4

[ "ECMA-402", "archived" ]

https://github.com/tc39/proposal-canonical-tz

null

[ "Justin Grant" ]

[ "Justin Grant", "Richard Gibson" ]

TC39 Proposal (stacked on Temporal) to improve handling of changes to the IANA Time Zone Database

proposal-canonical-tz

null

Time Zone Canonicalization

true

[ { "date": "2023-05-17T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2023-05/may-17.md#time-zone-canonicalization-for-stage-2" } ]

2023-09-25T23:58:15.000Z

2

[ "ECMA-262" ]

https://github.com/tc39/proposal-bigint

2,020

[ "Daniel Ehrenberg" ]

Arbitrary precision integers in JavaScript

proposal-bigint

null

BigInt

true

[ { "date": "2019-06-04T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-06/june-4.md#bigint-to-stage-4" }, { "date": "2017-05-24T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-05/may-24.md" }, { "date": "2017-07-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-07/jul-26.md" }, { "date": "2017-09-27T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2017-09/sept-27.md" }, { "date": "2018-01-25T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-01/jan-25.md" }, { "date": "2018-03-22T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2018-03/mar-22.md" }, { "date": "2019-07-23T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2019-07/july-23.md" }, { "date": "2021-08-01T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-08/sept-01.md" }, { "date": "2021-10-26T00:00:00.000Z", "url": "https://github.com/tc39/notes/blob/HEAD/meetings/2021-10/oct-26.md" } ]

2019-10-09T01:42:58.000Z

4

[ "ECMA-262", "archived" ]

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