• Attach stack traces and exceptions to Flask traces (#151)
• Update gRPC span names to match spec (#152)
• Implement Jaeger Trace Exporter (#154)
• Allow for Flask init_app Pattern (#160)
• trace: Span.add_annotation method (#165)
• Update the should_sample logic for tracer (#166)
• Add streaming support and message events to gRPC interceptors (#169)
• Fix bug preventing unicode attributes from being set in python 2.7 (#171)
• Support the 0.19 version of google-cloud-trace (#174)
• Support the current major of google-api-core (#175)