Next.js 16.3 in Practice – Instant Navigations, Performance and AI
What Next.js 16.3 delivers for users and developers: Instant Navigations, Partial Prefetching, lower RAM, Turbopack, AGENTS.md and MCP.
·Łukasz Kopyszko
Next.js, deployment, AI in day-to-day engineering, and web app architecture.
What Next.js 16.3 delivers for users and developers: Instant Navigations, Partial Prefetching, lower RAM, Turbopack, AGENTS.md and MCP.
Autocomplete vs chat vs agent, context engineering, AGENTS.md, secrets, .env, and a concrete path from a ticket to a merge request.
Next.js on a VPS: Docker, Nginx, Cloudflare, secrets kept out of the image, Postgres, backup, Sentry, CI/CD and a SHA-based rollback.