#588 — July 29, 2025 |
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The Many, Many, Many JavaScript Runtimes of the Last Decade — A meaty article (which took a year to put together) covering the myriad of JavaScript runtimes and engines both past and present, from obvious picks like Node.js to cloud platforms and lesser known ‘honorable mentions’. This is a great summary to round out your JS ecosystem knowledge. Whatever, Jamie |
![]() Running LLMs in prod? Prompt logs ≠ monitoring — Trace full request lifecycle, track cost/latency/retries, monitor drift & RAG relevance. If you can’t answer “what changed & what did it cost?”, you’re flying blind. Read the blog to learn more. Sentry sponsor |
IN BRIEF:
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The Node Developer's Guide to Unix Domain Sockets — The TLDR: “Unix domain sockets deliver ~50% lower latency than TCP loopback for Node.js IPC.” Pavel Romanov |
▶ The Creator of Bun on Building Bun and Node.js Compatibility — A roughly half hour chat in which Patrick Akil speaks with Jarred Sumner, creator of Bun. “We intend for Bun to be a drop-in replacement for the existing Node.js ecosystem. Most of our engineering time is not actually spent on new features — it’s spent on Node.js compatibility”. React Conferences by GitNation |
📄 How to Build Node.js MCP Servers that Expose Data Resources to LLMs Liran Tal 📄 The Multi-Repository TypeScript Problem – Solving cross-repo type safety. David Moores 📄 Logical Assignment Operators in JavaScript: Small Syntax, Big Wins Matt Smith |
🛠 Code & Tools |
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AudioTee.js: macOS System Audio Capture for Node.js — Wrapping around an (included) Swift-powered binary, this captures Mac system audio output and emits it as PCM encoded chunks at regular intervals. GitHub repo. Nick Payne |
Transformers.js 3.7: Machine Learning and Models for the Web — Brings the ability to run powerful pretrained models in the browser via ONNX, but you can do server-side inference with Node.js too. v3.7 adds Voxtral (speech transcription and audio understanding), LFM2 and ModernBERT support. Hugging Face |
Find & Fix Async Bugs Fast in Node.js with AppSignal — AppSignal helps Node.js devs fix bugs and performance issues fast. Easy to set up, a joy to use. Start your free trial today. AppSignal sponsor |
match-sorter 8.1: Deterministic Best-Match Array Sorting — If you have an array of items you want to filter and sort deterministically, match-sorter provides a specified, predictable algorithm. Play with a live demo here. Kent C. Dodds |
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📢 Elsewhere in the ecosystem |
A roundup of some other interesting stories in the broader landscape:
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