opentelemetry-js
https://github.com/open-telemetry/opentelemetry-js
TypeScript
OpenTelemetry JavaScript Client
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- Issues
- [sdk-metrics] Metric Instruments are not available in MetricReaders added after creation
- [instrumentation] update "Instrumentation for ES Modules" documentation
- CORS Preflight Requests not accounted for
- [instrumentation] consider dropping `Instrumentation#disable()`
- chore(opentelemetry-instrumentation): improve `_warnOnPreloadedModules` function not to show warning logs when the module is not marked as loaded
- fix(instrumentation-fetch): handle HeadersInit tuple arrays correctly
- fix(exporters): use sendBeacon with empty headers
- Make OTLP exporter retry parameters configurable in JS so connect failures (e.g., ECONNREFUSED) can be retried for minutes
- perf(sdk-trace-base): optimize TraceIdRatioBasedSampler hex parsing
- fix(otlp-grpc-exporter-base): recreate client after 5 consecutive DEADLINE_EXCEEDED
- Docs
- TypeScript not yet supported