16:58
2026-09-26
dev.to
developer-tools
Next.js 16 `instrumentation.ts` Is Stable: Wiring OpenTelemetry, Sentry, and Custom Spans Without a Wrapper
Next.js 16 has marked the `instrumentation.ts` file stable, giving developers a single-execution lifecycle hook that runs before middleware, route handlers, or React components load, so observability …