Next.js 16.3 Cuts Development Memory Use by Up to 90% and Introduces Native Agent DX
Next.js 16.3 dramatically reduces development server memory consumption—up to 90% in large projects—adds Turbopack disk caching and memory reclamation, speeds repeated builds up to 5.5×, improves SSR throughput by 22%, and ships native Agent DX with optional Instant Navigations.
