A comprehensive 2026 overview of the JavaScript ecosystem covering ECMAScript 2025 and upcoming ES2026 features (Temporal API, Iterator Helpers, Set methods, RegExp.escape, Promise.try, explicit resource management), major framework updates (React 19, Vue 3.6, Svelte 5), JavaScript runtimes (Node.js native TypeScript, Bun acquired by Anthropic, Deno v2), build tools (Vite v8 with Rolldown, Turbopack as Next.js default), TypeScript v6 and the upcoming Go-based compiler in v7, testing trends (Vitest, Playwright), meta-framework news (Next.js 16, Astro acquired by Cloudflare, Remix going React-free), and npm supply chain security incidents.
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What’s New in the LanguageNew in FrameworksJavaScript RuntimesBuild ToolsTypeScriptTestingMeta FrameworksnpmWhat should I learn?Sort: