Release 2.1.0

• Add adapter for zap.Logger (https://github.com/uber-go/zap)
• Move logging API to ./log/ package

Release 2.0.0

• Support Adaptive Sampling
• Support 128bit Trace IDs
• Change trace/span IDs from uint64 to strong types TraceID and SpanID
• Add Zipkin HTTP B3 Propagation format support #72
• Rip out existing metrics and use github.com/uber/jaeger-lib/metrics
• Change API for tracer, reporter, sampler initialization

Release 1.6.0

• Add Zipkin HTTP transport
• Support external baggage via jaeger-baggage header
• Unpin Thrift version, keep to master

Release 1.5.1

• Relax dependency on opentracing-go to ^1

Release 1.5.0

• Upgrade to the new K/V Span logging API

Release 1.4.1

• Check childOf reference for non-empty context before using as parent (#43)

Release 1.4.0

Support debug traces via HTTP header "jaeger-debug-id"

Release v1.3.1

• Fix incorrect release tag v.1.3.1 (extra dot after v)
• Bump constant with client version

Release 1.3.0

• Add url encoding for HTTP_HEADERS codec (#40)

Release 1.2.0

• The sampling strategy applied to the root span is recorded as a pair of span tags, sampler.type and sampler.param. In case of probabilistic sampling (most frequently used strategy), the values would be probabilistic and the sampling probability [0 .. 1], respectively.
• The host name is captured and recorded as jaeger.hostname tag on the first-in-process spans (i.e. root spans and rpc-server spans)
• The tag tha captures client version changed to jaeger.version