TC39 has approved the ES2026 candidate and it does not include these listed in the article: Temporal - stage 4, but slated for ES2027, not ES2026 using - still in stage 3, not landing in ES2026 import defer- still stage 3, not landing in ES2026 The spec won't be official until Ecma approval in June, but it is highly unlikely any changes will happen between now and then. For the list of completed proposals and their expected publication year, see: https://github.com/tc39/proposals/blob/main/finished-proposals.md Answer from senocular on reddit.com
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W3Schools
w3schools.com › js › js_2026.asp
W3Schools.com
ECMAScript 2026 (ES2026), the 17th edition of the JavaScript language specification, was officially ratified by ECMA International on June 30, 2026.
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TC39
tc39.es › ecma262 › 2026
ECMAScript® 2026 Language Specification
It is the seventeenth edition of the ECMAScript Language Specification. ECMAScript is based on several originating technologies, the most well-known being JavaScript (Netscape) and JScript (Microsoft).
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The New Stack
thenewstack.io › home › es2026 solves javascript headaches with dates, math and modules
ES2026 Solves JavaScript Headaches With Dates, Math and Modules - The New Stack
December 9, 2025 - With ECMAScript 2026, JavaScript will get more precise about sums, errors, international dates and times — and it may finally be time for Temporal.
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Master
master.dev › blog › what-to-know-in-javascript-2026-edition
What To Know in JavaScript (2026 Edition) – Master.dev Blog
April 2, 2026 - It’s got some info in there on ... when you know that’s useful. It’s still early in 2026, but we’ll expect the annual ECMAScript release mid-year, as in years prior....
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Reddit
reddit.com › r/javascript › what's actually new in javascript (and what's coming next)
r/javascript on Reddit: What's actually new in JavaScript (and what's coming next)
April 22, 2026 - 29 votes, 14 comments. ES2025 is out, ES2026 is close. Here is the new feature of Javascript we can use today, what is coming next and how we can get…
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Medium
sadiqueali.medium.com › es2026-is-here-the-javascript-features-that-change-how-you-code-e7cae783eeef
ES2026 Is Here: The JavaScript Features That Change How You Code | by Sadique Ali | Medium
April 5, 2026 - It fixes things that have been broken for decades, adds features that eliminate entire categories of bugs, and reshapes how you’ll write JavaScript going forward. It could be a bumper year for new features in the JavaScript language in 2026, with ...
Find elsewhere
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Wikipedia
en.wikipedia.org › wiki › ECMAScript_version_history
ECMAScript version history - Wikipedia
3 weeks ago - ECMAScript is a JavaScript standard developed by Ecma International. Since 2015, major versions have been published every June. ECMAScript 2025, the 16th and current version, was released in June 2025. In June 2004, Ecma International published ECMA-357 standard, defining an extension to ...
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TC39
tc39.es › ecma262
ECMAScript® 2027 Language Specification
2 weeks ago - ECMAScript 2026, the 17th edition, added Math.sumPrecise for summing an
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JavaScript in Plain English
javascript.plainenglish.io › javascript-2026-5-new-features-every-developer-should-know-51774901cebc
JavaScript 2026: 5 New Features Every Developer Should Know | by Developer Awam | Medium
March 5, 2026 - ECMAScript 2026 is shaping up to be one of the most impactful updates JavaScript has seen in years. We’re not talking about minor syntax sugar here.
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Hacker News
news.ycombinator.com › item
It’s been introduced as part of ecmascript 2026 https://developer.mozilla.org/en... | Hacker News
August 7, 2025 - I do wonder if this makes the importable gets (via type: json) a reality like assert was going to · Yes, the JSON modules proposal is finished
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Ecma-international
262.ecma-international.org
ECMAScript® 2026 Language Specification
This Ecma Standard defines the ECMAScript 2026 Language. It is the seventeenth edition of the ECMAScript Language Specification. ECMAScript is based on several originating technologies, the most well-known being JavaScript (Netscape) and JScript (Microsoft). The language was invented by Brendan ...
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pawelgrzybek
pawelgrzybek.com › whats-new-in-ecmascript-2026
What's new in ECMAScript 2026 | pawelgrzybek.com
3 weeks ago - On 30 June 2026, Ecma International approved the ECMAScript® 2026 language specification, so here is a summary of the new additions.
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DEV Community
dev.to › johnnylemonny › 7-new-javascript-features-in-ecmascript-2026-that-replace-everyday-workarounds-2076
7 New JavaScript Features in ECMAScript 2026 That Replace Everyday Workarounds - DEV Community
2 weeks ago - ECMAScript 2026 adds practical APIs for async data, Maps, binary encoding, errors, iterators, JSON, and precise calculations. Here is what full-stack developers should know.
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Rasc
blog.rasc.ch › 2026 › 03 › es2026.html
ES2026: What's new in JavaScript
March 27, 2026 - In this blog post, we covered the new features added to JavaScript in ECMAScript 2026, including upsert methods for Map and WeakMap, JSON.parse source text access, iterator sequencing, Uint8Array Base64 and hex conversion, Math.sumPrecise, Error.isError, and Array.fromAsync.
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Web-standards
web-standards.dev › news › 2026 › 07 › whats-new-in-ecmascript-2026
What’s new in ECMAScript 2026 — Web Standards
3 weeks ago - 2026-07-10 · Paweł Grzybek walks through the features shipping in the new spec: Array.fromAsync, Error.isError(), Math.sumPrecise for accurate floating-point sums, Uint8Array Base64 and Hex conversion, Iterator.concat() for sequencing, JSON.parse source text access, and Map.getOrInsert() for upserts. pawelgrzybek.com/whats-new-in-ecmascript-2026 ·
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Progosling
progosling.com › en › dev-digest › 2026-01 › ecmascript-2026-finalized-actions
ECMAScript 2026 Finalized — Key Language Additions and What Full‑Stack Teams Should Do | Progosling News | Progosling
January 14, 2026 - ECMAScript 2026 has been published. Practical changes — array-by-copy methods, Set ops, RegExp.escape, Promise.try, Float16Array and more — and a short migration checklist for full‑stack teams.
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daily.dev
daily.dev › posts › ecmascript-2026-specification-approved-3orzqhzl9
ECMAScript 2026 specification approved | daily.dev
3 weeks ago - ECMA International has approved ECMAScript 2026 (ES2026), the 17th edition of the JavaScript specification, on June 30. The new edition introduces several...