Version 1.20.0/0.41b0

• Modify Prometheus exporter to translate non-monotonic Sums into Gauges (#3306)

Version 1.19.0/0.40b0

• Drop setuptools runtime requirement. (#3372)
• Update the body type in the log ($3343)
• Add max_scale option to Exponential Bucket Histogram Aggregation (#3323)
• Use BoundedAttributes instead of raw dict to extract attributes from LogRecord (#3310)
• Support dropped_attributes_count in LogRecord and exporters (#3351)
• Add unit to view instrument selection criteria (#3341)
• Upgrade opentelemetry-proto to 0.20 and regen #3355)
• Include endpoint in Grpc transient error warning #3362)
• Fixed bug where logging export is tracked as trace #3375)

Version 1.18.0/0.39b0

• Select histogram aggregation with an environment variable (#3265)
• Move Protobuf encoding to its own package (#3169)
• Add experimental feature to detect resource detectors in auto instrumentation (#3181)
• Fix exporting of ExponentialBucketHistogramAggregation from opentelemetry.sdk.metrics.view (#3240)
• Fix headers types mismatch for OTLP Exporters (#3226)
• Fix suppress instrumentation for log batch processor (#3223)
• Add speced out environment variables and arguments for BatchLogRecordProcessor (#3237)

Version 1.17.0/0.38b0

• Implement LowMemory temporality (#3223)
• PeriodicExportingMetricReader will continue if collection times out (#3100)
• Fix formatting of ConsoleMetricExporter. (#3197)
• Fix use of built-in samplers in SDK configuration (#3176)
• Implement shutdown procedure forOTLP grpc exporters (#3138)
• Add exponential histogram (#2964)
• Add OpenCensus trace bridge/shim (#3210)

Version 1.16.0/0.37b0

• Change __all__ to be statically defined. (#3143)

• Remove the ability to set a global metric prefix for Prometheus exporter (#3137)

• Adds environment variables for log exporter (#3037)

• Add attribute name to type warning message. (3124)

• Add db metric name to semantic conventions (#3115)

• Fix User-Agent header value for OTLP exporters to conform to RFC7231 & RFC7230 (#3128)

• Fix validation of baggage values (#3058)

• Fix capitalization of baggage keys (#3151)

• Bump min required api version for OTLP exporters (#3156)

• deprecate jaeger exporters (#3158)

• Create a single resource instance (#3118)

Version 1.15.0/0.36b0

• Regenerate opentelemetry-proto to be compatible with protobuf 3 and 4 (#3070)
• Rename parse_headers to parse_env_headers and improve error message (#2376)
• Add url decode values from OTEL_RESOURCE_ATTRIBUTES (#3046)
• Fixed circular dependency issue with custom samplers (#3026)
• Add missing entry points for OTLP/HTTP exporter (#3027)
• Update logging to include logging api as per specification (#3038)
• Fix: Avoid generator in metrics _ViewInstrumentMatch.collect() (#3035
• [exporter-otlp-proto-grpc] add user agent string (#3009)

Version 1.14.0/0.35b0

• Add logarithm and exponent mappings (#2960)
• Add and use missing metrics environment variables (#2968)
• Enabled custom samplers via entry points (#2972)
• Update log symbol names (#2943)
• Update explicit histogram bucket boundaries (#2947)
• exporter-otlp-proto-http: add user agent string (#2959)
• Add http-metric instrument names to semantic conventions (#2976)
• [exporter/opentelemetry-exporter-otlp-proto-http] Add OTLPMetricExporter (#2891)
• Add support for py3.11 (#2997)
• Fix a bug with exporter retries for with newer versions of the backoff library (#2980)

opentelemetry v1.13.0 & v0.34b0

What's Changed

• Stop MeterProvier attribute error message from showing up by @ocelotl in #2875
• Update PeriodicExportingMetricReader to never call export() concurrently by @aabmass in #2873
• Fix typos by @kianmeng in #2868
• Adding Codespell to the CI by @galbash in #2878
• Skip LICENSE files for spellcheck by @srikanthccv in #2879
• Add param for indent size to LogRecord.to_json() by @dougramirez in #2870
• Remove LogEmitter.flush() to align with OTel Log Spec by @pranavmarla in #2863
• Mark test as flaky by @ocelotl in #2886
• Remove support for 3.6 by @ocelotl in #2763
• Update package metadata opentelemetry-api by @ofek in #2867
• Refactor testing console exporter by @ocelotl in #2877
• Update package metadata opentelemetry-proto by @ofek in #2905
• Update package metadata opentelemetry-sdk by @ofek in #2906
• Update package metadata opentelemetry-semantic-conventions by @ofek in #2907
• Update package metadata opentelemetry-propagator-b3 by @ofek in #2908
• Update package metadata opentelemetry-propagator-jaeger by @ofek in #2909
• Update package metadata opentelemetry-exporter-jaeger-thrift by @ofek in #2896
• Update package metadata opentelemetry-exporter-zipkin-json by @ofek in #2903
• Update package metadata opentelemetry-exporter-opencensus by @ofek in #2897
• Update package metadata opentelemetry-exporter-zipkin-proto-http by @ofek in #2904
• Update package metadata opentelemetry-exporter-zipkin by @ofek in #2902
• Update package metadata opentelemetry-exporter-prometheus by @ofek in #2901
• Update package metadata opentelemetry-exporter-otlp-proto-http by @ofek in #2900
• Update package metadata opentelemetry-exporter-otlp-proto-grpc by @ofek in #2899
• Update package metadata opentelemetry-exporter-jaeger-proto-grpc by @ofek in #2895
• Update package metadata opentelemetry-exporter-otlp by @ofek in #2898
• Update package metadata opentelemetry-exporter-jaeger by @ofek in #2894
• Update package metadata opentelemetry-opentracing-shim by @ofek in #2912
• Update package metadata docs/examples/error_handler by @ofek in #2914
• Update package metadata opentelemetry-test-utils by @ofek in #2913
• Update README.md by @srikanthccv in #2916
• Adding support for setting OTLP exporter protocol by env vars by @ronyis in #2893
• Fix preferred_aggregation + preferred_temporality example by @lzchen in #2911
• Bump API/SDK version for exporters by @srikanthccv in #2918
• Add a configurable max_export_batch_size to the gRPC metrics exporter by @overmeulen in #2809
• Update scripts and lint configs by @srikanthccv in #2929
• Update contrib repo SHA by @ocelotl in #2937
• Add force_flush to span exporters by @srikanthccv in #2919
• Update scripts by @srikanthccv in #2944
• updating changelogs and version to 1.13.0-0.34b0 by @srikanthccv in #2950

New Contributors

• @kianmeng made their first contribution in #2868
• @galbash made their first contribution in #2878
• @dougramirez made their first contribution in #2870
• @pranavmarla made their first contribution in #2863
• @ofek made their first contribution in #2867
• @ronyis made their first contribution in #2893

Full Changelog: v1.12.0...v1.13.0

opentelemetry v1.12.0 & v0.33b0

• Add force_flush method to metrics exporter (#2852)
• Change tracing to use Resource.to_json() (#2784)
• Fix get_log_emitter instrumenting_module_version args typo (#2830)
• Fix OTLP gRPC exporter warning message (#2781)
• Fix tracing decorator with late configuration (#2754)
• Fix --insecure of CLI argument (#2696)
• Add temporality and aggregation configuration for metrics exporters, use OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE only for OTLP metrics exporter (#2843)
• Instrument instances are always created through a Meter (#2844)

opentelemetry v1.12.0rc2 & v0.32b0

• Fix instrument name and unit regexes (#2796)
• Add optional sessions parameter to all Exporters leveraging requests.Session (#2783)
• Add min/max fields to Histogram (#2759)
• opentelemetry-exporter-otlp-proto-http Add support for OTLP/HTTP log exporter (#2462)
• Fix yield of None-valued points (#2745)
• Add missing to_json methods (#2722
• Fix type hints for textmap Getter and Setter (#2657)
• Fix LogEmitterProvider.force_flush hanging randomly (#2714)
• narrow protobuf dependencies to exclude protobuf >= 4 (#2720)
• Specify worker thread names (#2724)
• Loosen dependency on backoff for newer Python versions (#2726)
• fix: frozenset object has no attribute items (#2727)
• fix: create suppress HTTP instrumentation key in opentelemetry context (#2729)
• Support logs SDK auto instrumentation enable/disable with env (#2728)
• fix: update entry point object references for metrics (#2731)
• Allow set_status to accept the StatusCode and optional description (#2735)
• Configure auto instrumentation to support metrics (#2705)
• Add entrypoint for metrics exporter (#2748)
• Fix Jaeger propagator usage with NonRecordingSpan (#2762)
• Add opentelemetry.propagate module and opentelemetry.propagators package to the API reference documentation (#2785)