---
title: "Issue #793: What's new in ECMAScript 2026 — JavaScript Weekly"
url: https://daily.dev/posts/issue-793-what-s-new-in-ecmascript-2026-javascript-weekly-uoyf342wj
source_url: https://javascriptweekly.com/issues/793
type: article
source: "JavaScript Weekly"
published: 2026-07-07T14:52:23.695Z
updated: 2026-07-07T14:52:40.611Z
tags: ["webdev", "javascript", "typescript"]
reading_time: 3
upvotes: 2
comments: 0
language: en
---

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# Issue #793: What's new in ECMAScript 2026 — JavaScript Weekly

**[JavaScript Weekly](https://daily.dev/sources/jswkly)** · 3 min read · 2 upvotes · 0 comments

## Summary

JavaScript Weekly issue #793 covers the newly approved ECMAScript 2026 specification, highlighting new features like Array.fromAsync, native Uint8Array Base64/Hex conversion, and Math.sumPrecise. Additional links cover hydration and rendering strategies (SSR, islands, RSC), WebGL without a GPU, TypeScript distributive conditional types, and things modern HTML/CSS can handle without JavaScript. Ecosystem news includes Safari's new MCP server for developers, shadcn/ui switching to Base UI as its default component library, PocketJS running in 8MB memory, and PGlite reaching 10 million weekly downloads.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://javascriptweekly.com/issues/793>

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- [ECMAScript 2026 specification approved](https://daily.dev/posts/ecmascript-2026-specification-approved-3orzqhzl9) · InfoWorld · 185 upvotes · 13 comments

---

Tags: [#webdev](https://daily.dev/tags/webdev), [#javascript](https://daily.dev/tags/javascript), [#typescript](https://daily.dev/tags/typescript)

[View this post on daily.dev](https://daily.dev/posts/issue-793-what-s-new-in-ecmascript-2026-javascript-weekly-uoyf342wj)