library · inferred from evidence
undici
The runtime's native fetch implementation used as a replacement for node-fetch@2 to correctly decode Brotli responses.
- Vercel: fetch from serverless function fails with "UND_ERR_CONNECT_TIMEOUT" on Node 20
A Next.js 14 app on Vercel (Node 20.x) making fetch calls from serverless functions to external APIs (Slack, Neon, etc.) intermittently failed with TypeError: fetch failed ... cause: ConnectTimeoutError ... code: 'UND_ERR_CONNECT_TIMEOUT'.