NestJS 12: ESM Packages, Standard Schema Validation and Native Observability

Daniel Curtis — Mon, 19 Oct 2026 06:31:00 GMT

NestJS version 12 has been released, transitioning core packages to ESM and adding Standard Schema validation. It updates the CLI and introduces an observability SDK. Key changes include project generation choices between CJS and ESM, improved validation options, and lifecycle project hooks. Users will need Node.js 20.19+ or 22.12+. Migration guides are available for upgrading.

By Daniel Curtis

Github Migrates Copilot Runtime to Rust with AI-Assisted Rewrite

Leela Kumili — Fri, 09 Oct 2026 14:29:00 GMT

GitHub migrated more than 800,000 lines of Copilot runtime code from TypeScript and Node.js to Rust in about 14.5 weeks using AI-assisted development. The incremental migration used N-API interoperability, automated testing, human review, and 128 pull requests while continuing to ship releases.

By Leela Kumili

InfoQ - Node.js

NestJS 12: ESM Packages, Standard Schema Validation and Native Observability

Github Migrates Copilot Runtime to Rust with AI-Assisted Rewrite