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April 4, 2026

JSter #254 - Libraries and more

You can’t see it, but it’s JavaScript.

Only two months to this year's Future Frontend conference at Espoo, Finland!

Libraries

  • chenglou/pretext - Pure JavaScript/TypeScript library for multiline text measurement & layout
  • SuperSonic - SuperCollider's Synthesis Engine in the Browser
  • tinylibs/tinyclip: A tiny, cross-platform clipboard utility.

Frameworks

  • Introducing EmDash — the spiritual successor to WordPress that solves plugin security
  • ArrowJS - Web framework designed for building with agents
  • Nitro v3 Beta is here
  • Astro 6.0
  • StateSurface - Hypermedia inspired state-layout mapping runtime
  • Solid.js v2.0.0 Beta - The is Over

Security

  • Securing Local Development Environment Against Dependency Supply Chain Attacks
  • LavaMoat - Proactive supply-chain security at runtime

Articles

  • Guided Meditation for Developers
  • Two React Design Choices Developers Don’t Like—But Can’t Avoid
  • Making React ProseMirror really, really fast
  • Lies I was Told About Collaborative Editing, Part 2: Why we don't use Yjs
  • Evolving the Node.js Release Schedule
  • How Strawberry Rewrote 130K Lines from React to Svelte in Two Weeks

Tools

  • Vitest 4.1 is out!
  • npmx - Package Browser for the npm Registry
  • Vite 8.0 is out!
  • Penpot - Like Figma but open source

Runtimes

  • Announcing TypeScript 6.0
  • capricorn86/happy-dom: A JavaScript implementation of a web browser without its graphical user interface

Components

  • Cally: small, feature-rich calendar components

Demos

  • Audio Trails — Real-Time Microphone Visualizer

Standards

  • Temporal: The 9-Year Journey to Fix Time in JavaScript
  • Source Maps: Shipping Features Through Standards

Techniques

  • Building a Procedural Hex Map with Wave Function Collapse
  • Making keyboard navigation effortless

Benchmarks

  • SPA vs. Hypermedia: Real-World Performance Under Load
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