Next.js 14 → 16 upgrade by Rafał RuszczykNext.js 14 → 16 upgrade by Rafał Ruszczyk

Next.js 14 → 16 upgrade

Rafał Ruszczyk

Rafał Ruszczyk

Next.js 14 → 16 upgrade for an open-source TypeScript app: async request APIs, config changes, dependency bumps. Build and the full test suite green before and after; CI parity table in the PR description so the maintainer can review in minutes.
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Posted Oct 29, 2026

Next.js 14 → 16 upgrade for an open-source TypeScript app: async request APIs, config changes, dependency bumps. Build and the full test suite green before a...