opentelemetry v1.9.0 & v0.28b0

Changes

• Fix SpanLimits global span limit defaulting when set to 0
  (#2398)
• Add Python version support policy
  (#2397)
• Decode URL-encoded headers in environment variables
  (#2312)
• [exporter/opentelemetry-exporter-otlp-proto-grpc] Add OTLPMetricExporter
  (#2323)
• Complete metric exporter format and update OTLP exporter
  (#2364)
• [api] Add NoOpTracer and NoOpTracerProvider. Marking _DefaultTracer and _DefaultTracerProvider as deprecated.
  (#2363)
• [exporter/opentelemetry-exporter-otlp-proto-grpc] Add Sum to OTLPMetricExporter
  (#2370)
• [api] Rename _DefaultMeter and _DefaultMeterProvider to NoOpMeter and NoOpMeterProvider.
  (#2383)
• [exporter/opentelemetry-exporter-otlp-proto-grpc] Add Gauge to OTLPMetricExporter
  (#2408)
• [logs] prevent None from causing problems
  (#2410)

opentelemetry v1.8.0 & v0.27b0

##Changes

• Adds Aggregation and instruments as part of Metrics SDK
  (#2234)
• Update visibility of OTEL_METRICS_EXPORTER environment variable
  (#2303)
• Adding entrypoints for log emitter provider and console, otlp log exporters
  (#2253)
• Rename ConsoleExporter to ConsoleLogExporter
  (#2307)
• Adding OTEL_LOGS_EXPORTER environment variable
  (#2320)
• Add otlp entrypoint for log exporter
  (#2322)

Happy Holidays 🎅 ☃️

opentelemetry v1.7.1 & v0.26b1

Highlights

• Experimental release for logging SDK 🎉 (https://github.com/open-telemetry/opentelemetry-python/tree/main/opentelemetry-sdk/src/opentelemetry/sdk/_logs)
• Python 3.10 is now officially supported 🎉

Changelog

• Add support for Python 3.10
  (#2207)
• remove X-B3-ParentSpanId for B3 propagator as per OpenTelemetry specification
  (#2237)
• Populate auto.version in Resource if using auto-instrumentation
  (#2243)
• Return proxy instruments from ProxyMeter
  [#2169]
• Make Measurement a concrete class
  (#2153)
• Add metrics API
  (#1887)
• Make batch processor fork aware and reinit when needed
  (#2242)
• opentelemetry-sdk Sanitize env var resource attribute pairs
  (#2256)
• opentelemetry-test start releasing to pypi.org
  (#2269)

opentelemetry v1.7.0 & v0.26b0

This version was partially released. Please use 1.7.1 & 0.26b1 instead.

opentelemetry v1.6.2 & v0.25b2

• Fix parental trace relationship for opentracing follows_from reference
  (#2180)

opentelemetry v1.6.1 & v0.25b1

• Upgrade GRPC/protobuf related dependency and regenerate otlp protobufs (#2201)
• Propagation: only warn about oversized baggage headers when headers exist (#2212)
• Migrate instrumentation and disro to contrib (#2196)

opentelemetry v1.6.0 & v0.25b0

• Fix race in set_tracer_provider() (#2182)
• Automatically load OTEL environment variables as options for opentelemetry-instrument (#1969)
• opentelemetry-semantic-conventions Update to semantic conventions v1.6.1 (#2077)
• Do not count invalid attributes for dropped (#2096)
• Fix propagation bug caused by counting skipped entries (#2071)
• Add entry point for exporters with default protocol (#2093)
• Do not skip sequence attribute on decode error (#2097)
• opentelemetry-test: Add HttpTestBase to allow tests with actual TCP sockets (#2101)
• Fix incorrect headers parsing via environment variables (#2103)
• Add support for OTEL_ATTRIBUTE_COUNT_LIMIT (#2139)
• Attribute limits no longer apply to Resource attributes (#2138)
• opentelemetry-exporter-otlp: Add opentelemetry-otlp-proto-http as dependency (#2147)
• Fix validity calculation for trace and span IDs (#2145)
• Add schema_url to TracerProvider.get_tracer (#2154)
• Make baggage implementation w3c spec complaint (#2167)

opentelemetry v1.5.0 & v0.24b0

Added

• Add Trace ID validation to meet TraceID spec (#1992)
• opentelemetry-sdk added support for OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT (#2044)
• opentelemetry-sdk Add support for OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT env var (#2056)

Changed

• opentelemetry-sdk get_aggregated_resource() returns default resource and service name
  whenever called (#2013)
• opentelemetry-distro & opentelemetry-sdk Moved Auto Instrumentation Configurator code to SDK
  to let distros use its default implementation (#1937)
• opentelemetry-sdk Treat limit even vars set to empty values as unset/unlimited. (#2054)
• opentelemetry-api Attribute keys must be non-empty strings. (#2057)

Fixed

• Fix documentation on well known exporters and variable OTEL_TRACES_EXPORTER which were misnamed (#2023)
• Fixed Python 3.10 incompatibility in opentelemetry-opentracing-shim tests (#2018)
• opentelemetry-sdk Fixed bugs (#2041, #2042 & #2045) in Span Limits (#2044)

opentelemetry v1.4.1 & v0.23b2

Hotfix to address #1988

opentelemetry v1.4.0 & v0.23b0

Added

• opentelemetry-semantic-conventions Generate semconv constants update for OTel Spec 1.5.0 (#1946)
• Moved opentelemetry-instrumentation to core repository. (#1959)
• Dropped attributes/events/links count available exposed on ReadableSpans. (#1893)
• Added dropped count to otlp, jaeger and zipkin exporters. (#1893)

Changed

• Updated opentelemetry-opencensus-exporter to use service_name of spans instead of resource (#1897)
• Added descriptions to the env variables mentioned in the opentelemetry-specification (#1898)
• Ignore calls to Span.set_status with StatusCode.UNSET and also if previous status already had StatusCode.OK. (#1902)
• Attributes for Link and Resource are immutable as they are for Event, which means any attempt to modify attributes directly will result in a TypeError exception. (#1909)
• Added BoundedAttributes to the API to make it available for Link which is defined in the API. Marked BoundedDict in the SDK as deprecated as a result. (#1915)
• Fix OTLP SpanExporter to distinguish spans based off Resource and InstrumentationInfo (#1927)
• Updating dependency for opentelemetry api/sdk packages to support major version instead of pinning to specific versions. (#1933)

Fixed

• Updated opentelementry-opentracing-shim ScopeShim to report exceptions in opentelemetry specification format, rather than opentracing spec format. (#1878)