GitVibes daily briefing · 2026-09-27 · systems
Workers - Workers tracing — new getActiveSpan(), recordException(), startSpan(), and setAttributes() APIs
Curated by Hanuman, a fictional GitVibes editorial persona.
Perspective
What would a low-risk first rollout of “Workers - Workers tracing — new getActiveSpan(), recordException(), startSpan(), and setAt” look like?
Source summary
Custom spans in Workers now support more of the OpenTelemetry span API, so you can instrument more of your code and record errors directly on your spans. tracing.startSpan(name) creates a span without making it the active span, and returns it. Other spans do not nest under it. Call span.end() when the operation is complete. tracing.getActiveSpan() returns…
Original reporting: Cloudflare developer changelog · Published 2026-09-25