JavaScript Weekly Issue 747: August 1, 2025

The Many JavaScript Runtimes of the Last Decade — A fantastic, well-researched look at the myriad of JavaScript runtimes and engines both past and present, from mainstream picks like Node.js and Bun, to cloud platforms and some more obscure ‘honorable mentions’. A perfect way to round out your knowledge of JavaScript’s runtime story.

Whatever, Jamie

Node.js v22.18 (LTS) Gets Type Stripping by Default — We wouldn’t normally feature a minor Node.js LTS release, but this one comes with a big tweak: type stripping/TypeScript support is enabled by default, making node app.ts a reality, much as with Bun or Deno.

Antoine du Hamel

💡 Node v24.5 (Current) has also been released, with node:http(s) now supporting proxies, OpenSSL 3.5, and --experimental-wasm-modules unflagged.

IN BRIEF:

RELEASES:

📖 Articles and Videos

▶ Zod vs. Valibot: A JS/TS Validator Battle — You know it’s good when the creator of Zod comments: “incredible video. honestly blown away by how succinct and clear you made everything.” (12 minutes.)

Jack Herrington

Compile Svelte 5 in Your Head — Svelte does things a little differently to most UI frameworks by compiling code to components ahead-of-time, but what is it actually doing at the code level?

Tan Li Hau

TanStack DB: The Embedded Client Database for TanStack Query — One for team React! TanStack DB is an embedded client‑side database that uses differential dataflow to power live, relational queries, sub‑ms incremental updates, and optimistic writes. This post is a great pitch, and the first beta is available now.

Kyle Mathews and Sam Willis