Issue 800! I'm not doing anything to celebrate, but I know many of you have been here for years, so thanks for your continued support. Maybe I'll do something for issue 1000, though at current velocity that'll be late 2030... ;-)
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Your editor, Peter Cooper
The Depths of JavaScript: Minesweeper in 247 Bytes — An analysis of a playable 8x8 Minesweeper implementation in one line of JavaScript, complete with flags and cascading blank cells. The author's 658-byte version is impressive enough, but this post covers the tricks to make it 62% smaller than that!
yui and DNEK
💡 The final release is due on October 2 but it's more than ready to start working with.
IN BRIEF:
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TypeScript has landed support for import-attribute-aware ambient modules. Declarations such as
declare module "*" with { type: "css" }can now match imports carrying that attribute. -
Dani Sandoval rounds up what's new in the Svelte world this month including Svelte 5.57's new
SvelteMapmethods, SvelteKit 3 reaching RC, and anai-toolsadd-on for thesvCLI. -
Sarah Rainsberger rounds up what's new in Astro this month too, including Matthew Phillips taking over as 'Project Steward', and a new Astro Playground.
RELEASES:
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⭐ Rspack 2.2, Rsbuild 2.2, and Rslint 0.9 – Faster builds and HMR, shorter module IDs, and Node.js chunk splitting on by default in Rsbuild. Notably, Rslint now implements all rules and presets from
@typescript-eslint. -
Cypress 16, NestJS 12, Vue 3.6 RC6, Deno 2.9.6, Mocha 12.0, Electron 44 (mentioned last week but there's now an official post).
The Browser's New Email Verification API — A look at a WICG proposal to get rid of the 'go and check your inbox' headache with the browser and email provider using a token the server verifies on submit. Chrome origin trial and Gmail only for now.
Phil Nash
📄 The Problem with Concurrent Linter Fixes – Applying several autofixes at once can produce broken code that a "fix-then-reanalyze" loop wouldn't. Jeroen Engels
📄 Bumping the Major Version of Your JavaScript Library is User Hostile James Healy
Uppy 6.0: A Modular JavaScript File Uploader — Resumable uploads from disk, Dropbox or GDrive, with wrappers for React, Vue, Svelte & Angular. This version focuses on clean-up, with a rewritten S3 plugin and fewer packages to manage.
Transloadit
💡 If you're new to htmx, this page of patterns for common use cases provides a great hands-on introduction.
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🗓️ Schedule-X 4.7 – Large, schedule-style calendar control for React, Vue, Angular, Svelte and Preact apps.
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Mantine 9.6 – Popular, extensive React component suite. Adds a new media 'lightbox' component and more.
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🖼️ Cropper.js 2.2 – A mature image cropping control with a playground where you can give it a spin.
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noble-curves 2.4 – Audited, minimal JS implementation of elliptic curve cryptography.
⚡Zuplo puts every API, AI, and MCP request behind one gateway. Route traffic, guard your MCP servers, and cap your AI costs. Try it free.
📄 Turn messy PDFs into structured JSON. See how Foxit’s Structural Extraction API preserves tables, fields, and layout in four REST calls.
Flaky tests slowing down dev? Meticulous gives engineers confidence to ship faster by autonomously testing every edge case of your web app.
📢 Elsewhere in the ecosystem
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🤖 Addy Osmani says mastery still comes from 'doing the reps', and that agents finishing tasks for you means building expertise has to be a more deliberate act.
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∑ Lean, a language for writing machine-checked mathematical proofs, has a verifier that's "just" a type checker, so here's the concept demonstrated in TypeScript instead!
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🚫 Google has removed all remaining Manifest V2 extensions from the Chrome Web Store… uBlock Origin included.
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AWS Lambda has introduced a new Node.js 26 runtime in preview.
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A detailed look at many of the things that should go in a modern HTML boilerplate.