•1 min read•from InfoQ
NestJS v12 Roadmap: Full ESM Migration, Standard Schema Validation and Modernised Toolchain
Our take
NestJS has unveiled an exciting roadmap for its upcoming v12.0.0 release, set for early Q3 2026. This major update will transition the framework from CommonJS to ECMAScript Modules (ESM), enhancing modern JavaScript compatibility. Additionally, it will introduce native Standard Schema support in route decorators, improving data validation processes. The toolchain will also see significant upgrades: Vitest will take over from Jest for testing, oxlint will replace ESLint for linting, and Rspack will become the new bundler, replacing Webpack, streamlining development workflows.
NestJS has announced a draft pull request for its upcoming v12.0.0 release, scheduled for early Q3 2026. Key changes include a transition from CommonJS to ESM, native Standard Schema support in route decorators, and shifts in testing and linting tools. Vitest will replace Jest, and oxlint will replace ESLint, while Rspack will replace Webpack for bundling.
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