JavaScript & Node.js on Osmond van Hemerthttps://www.osmondvanhemert.nl/series/javascript--node.js/Recent content in JavaScript & Node.js on Osmond van HemertHugo -- gohugo.ioen© Osmond van Hemert. All rights reserved.Thu, 16 Apr 2026 00:00:00 +0000Deno 2.3 and the Runtime Wars — Is Server-Side JavaScript Finally Settling?https://www.osmondvanhemert.nl/posts/260416-deno-2-3-runtime-wars/Thu, 16 Apr 2026 00:00:00 +0000https://www.osmondvanhemert.nl/posts/260416-deno-2-3-runtime-wars/Deno 2.3 brings workspace support and improved Node compatibility. With Bun maturing and Node.js evolving, the JavaScript runtime landscape is reaching an interesting equilibrium.The Node.js Renaissance — Deno 2, Bun, and the Evolving JavaScript Runtime Landscapehttps://www.osmondvanhemert.nl/posts/260101-javascript-runtime-landscape-2026/Thu, 01 Jan 2026 00:00:00 +0000https://www.osmondvanhemert.nl/posts/260101-javascript-runtime-landscape-2026/As we enter 2026, the JavaScript runtime ecosystem is more competitive and innovative than ever. Here’s where things stand.Deno 2.5 and the Maturing JavaScript Runtime Warshttps://www.osmondvanhemert.nl/posts/250626-deno-25-javascript-runtime-wars/Thu, 26 Jun 2025 00:00:00 +0000https://www.osmondvanhemert.nl/posts/250626-deno-25-javascript-runtime-wars/Deno 2.5 brings improved Node.js compatibility and workspace support, signaling that the JavaScript runtime competition is driving real innovation.The JavaScript Runtime Wars — Bun, Deno, and Node.js in 2024https://www.osmondvanhemert.nl/posts/240314-javascript-runtime-wars-bun-deno-node/Thu, 14 Mar 2024 00:00:00 +0000https://www.osmondvanhemert.nl/posts/240314-javascript-runtime-wars-bun-deno-node/With Bun 1.0 maturing, Deno pushing Node compatibility, and Node.js evolving faster than ever, the JavaScript runtime landscape is more interesting than it’s been in years.Node.js 21 Arrives — Built-in WebSocket Client and the Road to Stabilityhttps://www.osmondvanhemert.nl/posts/231019-nodejs-21-release/Thu, 19 Oct 2023 00:00:00 +0000https://www.osmondvanhemert.nl/posts/231019-nodejs-21-release/Node.js 21 lands with a built-in WebSocket client, V8 11.8, and continued efforts to align the runtime with web platform standards.Node.js 20: The Built-in Test Runner and Permission Model Change the Gamehttps://www.osmondvanhemert.nl/posts/230713-nodejs-20-test-runner-permission-model/Thu, 13 Jul 2023 00:00:00 +0000https://www.osmondvanhemert.nl/posts/230713-nodejs-20-test-runner-permission-model/Node.js 20 brings a stable built-in test runner and an experimental permission model — two features that signal a maturing runtime taking security and developer experience seriously.Node.js 20 Drops — Permission Model, Test Runner, and the Maturity Archttps://www.osmondvanhemert.nl/posts/230420-nodejs-20-release/Thu, 20 Apr 2023 00:00:00 +0000https://www.osmondvanhemert.nl/posts/230420-nodejs-20-release/Node.js 20 arrives with an experimental permission model, a stable test runner, and continued signs that the runtime is prioritizing security and developer experience over flashy features.Bun Enters the Ring — A New JavaScript Runtime Challenges Nodehttps://www.osmondvanhemert.nl/posts/220728-bun-javascript-runtime-shakes-up-ecosystem/Thu, 28 Jul 2022 00:00:00 +0000https://www.osmondvanhemert.nl/posts/220728-bun-javascript-runtime-shakes-up-ecosystem/Bun, a new JavaScript runtime built on JavaScriptCore and written in Zig, is making waves with extraordinary benchmark numbers. Is it the Node.js challenger we’ve been waiting for?TypeScript 4.7 Finally Tackles Node.js ES Modules — Was It Worth the Wait?https://www.osmondvanhemert.nl/posts/220609-typescript-47-esm-support/Thu, 09 Jun 2022 00:00:00 +0000https://www.osmondvanhemert.nl/posts/220609-typescript-47-esm-support/TypeScript 4.7 ships with proper ES module support for Node.js, resolving one of the ecosystem’s most painful interoperability headaches.TypeScript 4.6 Drops — Smarter Type Narrowing and Real-World Winshttps://www.osmondvanhemert.nl/posts/220303-typescript-4-6-release/Thu, 03 Mar 2022 00:00:00 +0000https://www.osmondvanhemert.nl/posts/220303-typescript-4-6-release/TypeScript 4.6 brings improved control flow analysis, better type narrowing for destructured discriminated unions, and performance improvements that matter for large codebases.Node.js in 2021 — A Year of Quiet Maturationhttps://www.osmondvanhemert.nl/posts/211230-nodejs-2021-year-in-review/Thu, 30 Dec 2021 00:00:00 +0000https://www.osmondvanhemert.nl/posts/211230-nodejs-2021-year-in-review/Node.js had a year of steady progress in 2021: Node 16 went LTS, the test runner landed, and the ecosystem continued its TypeScript migration.Node.js 16 — Apple Silicon, V8 9.0, and the Timers Promise APIhttps://www.osmondvanhemert.nl/posts/210429-nodejs-16-release/Thu, 29 Apr 2021 00:00:00 +0000https://www.osmondvanhemert.nl/posts/210429-nodejs-16-release/Node.js 16 arrives with native Apple Silicon binaries, V8 9.0 bringing new JavaScript features, and the stabilization of the Timers Promises API that cleans up async timer patterns.React Server Components — A Paradigm Shift or Just More Complexity?https://www.osmondvanhemert.nl/posts/210107-react-server-components/Thu, 07 Jan 2021 00:00:00 +0000https://www.osmondvanhemert.nl/posts/210107-react-server-components/The React team’s introduction of Server Components promises zero-bundle-size components and direct backend access — but is it the right direction for frontend development?TypeScript 4.1 — Template Literal Types and the March Toward Type Safetyhttps://www.osmondvanhemert.nl/posts/201119-typescript-4-1-template-literal-types/Thu, 19 Nov 2020 00:00:00 +0000https://www.osmondvanhemert.nl/posts/201119-typescript-4-1-template-literal-types/TypeScript 4.1 ships template literal types, key remapping, and recursive conditional types — pushing the boundaries of what a type system can express.TypeScript 4.0 — A Milestone Worth Celebratinghttps://www.osmondvanhemert.nl/posts/200820-typescript-4-release/Thu, 20 Aug 2020 00:00:00 +0000https://www.osmondvanhemert.nl/posts/200820-typescript-4-release/TypeScript 4.0 is here with variadic tuple types, labeled tuples, and smarter inference. It’s a major version that earns its number.Deno 1.0 — Ryan Dahl's Do-Over for Server-Side JavaScripthttps://www.osmondvanhemert.nl/posts/200514-deno-1-0-release/Thu, 14 May 2020 00:00:00 +0000https://www.osmondvanhemert.nl/posts/200514-deno-1-0-release/Deno 1.0 launches with TypeScript support, a security-first permissions model, and a clean break from Node.js conventions — but can it find its niche?Node.js 14 Arrives — Diagnostics, WASI, and the Road to LTShttps://www.osmondvanhemert.nl/posts/200423-nodejs-14-release/Thu, 23 Apr 2020 00:00:00 +0000https://www.osmondvanhemert.nl/posts/200423-nodejs-14-release/Node.js 14 launches with experimental WebAssembly System Interface support, improved diagnostics, and a clear path to long-term support in October.GitHub Acquires npm — What This Means for the JavaScript Ecosystemhttps://www.osmondvanhemert.nl/posts/200319-github-acquires-npm/Thu, 19 Mar 2020 00:00:00 +0000https://www.osmondvanhemert.nl/posts/200319-github-acquires-npm/GitHub’s acquisition of npm consolidates the JavaScript ecosystem’s most critical infrastructure under one roof. Here’s why that matters — and what could go wrong.TypeScript 3.8 Beta — Private Fields and Top-Level Await Landhttps://www.osmondvanhemert.nl/posts/200130-typescript-3-8-private-fields-top-level-await/Thu, 30 Jan 2020 00:00:00 +0000https://www.osmondvanhemert.nl/posts/200130-typescript-3-8-private-fields-top-level-await/TypeScript 3.8 beta brings ECMAScript private fields, top-level await, and export * as syntax. These features signal where JavaScript itself is heading.