Changelog

v0.3.0

Added

New Base64 propagator
New SpanBuilder api
Zipkin Exporter crate

Changed

Switch to SpanId and TraceId from u64 and u128
Remove &mut self requirements for Span API

Fixed

circular Tracer debug impl

v0.2.0

Added

Make trace and metrics features optional
ExportResult as specified in the specification
Add Futures compatibility API
Added serde serialise support to SpanData
Separate OpenTelemetry Jaeger crate

Changed

Rename HttpTraceContextPropagator to TraceContextPropagator
Rename HttpB3Propagator to B3Propagator
Switch to Apache 2 license
Resolve agent addresses to allow non-static IP
Remove tracer name prefix from span name

Removed

Remove add_link from spans

v0.1.5

Added

trace-context propagator

Changed

Prometheus API cleanup

v0.1.4

Added

Parent option for default sampler

Fixed

SDK tracer default span id

v0.1.3

Changed

Ensure spans are always send and sync
Allow static lifetimes for span names
Improve KeyValue ergonomics

v0.1.2

Added

Implement global provider

v0.1.1

Added

Documentation and API cleanup
Tracking of active spans via thread local span stack

v0.1.0

Initial debug alpha