CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

• Make tracer.start_as_current_span() decorator work with async functions (#3633)
• Fix python 3.12 deprecation warning (#3751)
• bump mypy to 0.982 (#3776)
• Add support for OTEL_SDK_DISABLED environment variable (#3648)
• Fix ValueError message for PeriodicExportingMetricsReader (#3769)
• Make span.record_exception more robust (#3778)
• Fix license field in pyproject.toml files (#3803)

Version 1.23.0/0.44b0 (2024-02-23)

• Use Attribute rather than boundattribute in logrecord (#3567)
• Fix flush error when no LoggerProvider configured for LoggingHandler (#3608)
• Add Span.add_link() method to add link after span start (#3618)
• Fix OTLPMetricExporter ignores preferred_aggregation property (#3603)
• Logs: set observed_timestamp field (#3565)
• Add missing Resource SchemaURL in OTLP exporters (#3652)
• Fix loglevel warning text (#3566)
• Prometheus Exporter string representation for target_info labels (#3659)
• Logs: ObservedTimestamp field is missing in console exporter output (#3564)
• Fix explicit bucket histogram aggregation (#3429)
• Add code.lineno, code.function and code.filepath to all logs (#3675)
• Add Synchronous Gauge instrument (#3462)
• Drop support for 3.7 (#3668)
• Include key in attribute sequence warning (#3639)
• Upgrade markupsafe, Flask and related dependencies to dev and test environments (#3609)
• Handle HTTP 2XX responses as successful in OTLP exporters (#3623)
• Improve Resource Detector timeout messaging (#3645)
• Add Proxy classes for logging (#3575)
• Remove dependency on 'backoff' library (#3679)

Version 1.22.0/0.43b0 (2023-12-15)

• Prometheus exporter sanitize info metric (#3572)
• Remove Jaeger exporters (#3554)
• Log stacktrace on UNKNOWN status OTLP export error (#3536)
• Fix OTLPExporterMixin shutdown timeout period (#3524)
• Handle taskName logrecord attribute (#3557)

Version 1.21.0/0.42b0 (2023-11-01)

• Fix SumAggregation  (#3390)
• Fix handling of empty metric collection cycles (#3335)
• Fix error when no LoggerProvider configured for LoggingHandler (#3423)
• Make opentelemetry_metrics_exporter entrypoint support pull exporters (#3428)
• Allow instrument names to have '/' and up to 255 characters (#3442)
• Do not load Resource on sdk import (#3447)
• Update semantic conventions to version 1.21.0 (#3251)
• Add missing schema_url in global api for logging and metrics (#3251)
• Prometheus exporter support for auto instrumentation (#3413)
• Implement Process Resource detector (#3472)

Version 1.20.0/0.41b0 (2023-09-04)

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

Version 1.19.0/0.40b0 (2023-07-13)

• 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)
• Default LogRecord observed_timestamp to current timestamp #3377)

Version 1.18.0/0.39b0 (2023-05-19)

• 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)
• Add benchmark tests for metrics (#3267)

Version 1.17.0/0.38b0 (2023-03-22)

• 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 (2023-02-17)

• 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 (2022-12-09)

• PeriodicExportingMetricsReader with +Inf interval to support explicit metric collection (#3059)
• 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 (2022-11-04)

• 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)

Version 1.13.0/0.34b0 (2022-09-26)

• Add a configurable max_export_batch_size to the gRPC metrics exporter (#2809)
• Remove support for 3.6 (#2763)
• Update PeriodicExportingMetricReader to never call export() concurrently (#2873)
• Add param for indent size to LogRecord.to_json() (#2870)
• Fix: Remove LogEmitter.flush() to align with OTel Log spec (#2863)
• Bump minimum required API/SDK version for exporters that support metrics (#2918)
• Fix metric reader examples + added preferred_temporality and preferred_aggregation for ConsoleMetricExporter (#2911)
• Add support for setting OTLP export protocol with env vars, as defined in the specifications (#2893)
• Add force_flush to span exporters (#2919)

Version 1.12.0/0.33b0 (2022-08-08)

• 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)

Version 1.12.0rc2/0.32b0 (2022-07-04)

• 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)

Version 1.12.0rc1/0.31b0 (2022-05-17)

• Fix LoggingHandler to handle LogRecord with exc_info=False (#2690)
• Make metrics components public (#2684)
• Update to semantic conventions v1.11.0 (#2669)
• Update opentelemetry-proto to v0.17.0 (#2668)
• Add CallbackOptions to observable instrument callback params (#2664)
• Add timeouts to metric SDK (#2653)
• Add variadic arguments to metric exporter/reader interfaces (#2654)
• Added a opentelemetry.sdk.resources.ProcessResourceDetector that adds the 'process.runtime.{name,version,description}' resource attributes when used with the opentelemetry.sdk.resources.get_aggregated_resources API (#2660)
• Move Metrics API behind internal package (#2651)

Version 1.11.1/0.30b1 (2022-04-21)

• Add parameter to MetricReader constructor to select aggregation per instrument kind (#2638)
• Add parameter to MetricReader constructor to select temporality per instrument kind (#2637)
• Fix unhandled callback exceptions on async instruments (#2614)
• Rename DefaultCounter, DefaultHistogram, DefaultObservableCounter, DefaultObservableGauge, DefaultObservableUpDownCounter, DefaultUpDownCounter instruments to NoOpCounter, NoOpHistogram, NoOpObservableCounter, NoOpObservableGauge, NoOpObservableUpDownCounter, NoOpUpDownCounter (#2616)
• Deprecate InstrumentationLibraryInfo and Add InstrumentationScope (#2583)

Version 1.11.0/0.30b0 (2022-04-18)

• Rename API Measurement for async instruments to Observation (#2617)
• Add support for zero or more callbacks (#2602)
• Fix parsing of trace flags when extracting traceparent (#2577)
• Add default aggregation (#2543)
• Fix incorrect installation of some exporter “convenience” packages into “site-packages/src” (#2525)
• Capture exception information as part of log attributes (#2531)
• Change OTLPHandler to LoggingHandler (#2528)
• Fix delta histogram sum not being reset on collection (#2533)
• Add InMemoryMetricReader to metrics SDK (#2540)
• Drop the usage of name field from log model in OTLP (#2565)
• Update opentelemetry-proto to v0.15.0 (#2566)
• Remove enable_default_view option from sdk MeterProvider (#2547)
• Update otlp-proto-grpc and otlp-proto-http exporters to have more lax requirements for backoff lib (#2575)
• Add min/max to histogram point (#2581)
• Update opentelemetry-proto to v0.16.0 (#2619)

Version 1.10.0/0.29b0 (2022-03-10)

• Docs rework: non-API docs are moving to opentelemetry.io. For details, including a list of pages that have moved, see #2453, and #2498.
• opentelemetry-exporter-otlp-proto-grpc update SDK dependency to ~1.9. (#2442)
• bugfix(auto-instrumentation): attach OTLPHandler to root logger (#2450)
• Bump semantic conventions from 1.6.1 to 1.8.0 (#2461)
• fix exception handling in get_aggregated_resources (#2464)
• Fix OTEL_EXPORTER_OTLP_ENDPOINT usage in OTLP HTTP trace exporter (#2493)
• [exporter/opentelemetry-exporter-prometheus] restore package using the new metrics API (#2321)

Version 1.9.1/0.28b1 (2022-01-29)

• Update opentelemetry-proto to v0.12.0. Note that this update removes deprecated status codes. (#2415)

Version 1.9.0/0.28b0 (2022-01-26)

• 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)

Version 1.8.0/0.27b0 (2021-12-17)

• 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 setuptools to install_requires (#2334)
• Add otlp entrypoint for log exporter (#2322)
• Support insecure configuration for OTLP gRPC exporter (#2350)

Version 1.7.1/0.26b1 (2021-11-11)

• 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)

Version 1.6.2/0.25b2 (2021-10-19)

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

Version 1.6.1/0.25b1 (2021-10-18)

• Fix ReadableSpan property types attempting to create a mapping from a list (#2215)
• Upgrade GRPC/protobuf related dependency and regenerate otlp protobufs (#2201)
• Propagation: only warn about oversized baggage headers when headers exist (#2212)

Version 1.6.0/0.25b0 (2021-10-13)

• 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)
• Renamed entrypoints otlp_proto_http_span, otlp_proto_grpc_span, console_span to remove redundant _span suffix. (#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)
• Add name to BatchSpanProcessor worker thread (#2186)

Version 1.5.0/0.24b0 (2021-08-26)

• Add pre and post instrumentation entry points (#1983)
• Fix documentation on well known exporters and variable OTEL_TRACES_EXPORTER which were misnamed (#2023)
• 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)
• Add Trace ID validation to meet TraceID spec (#1992)
• Fixed Python 3.10 incompatibility in opentelemetry-opentracing-shim tests (#2018)
• opentelemetry-sdk added support for OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT (#2044)
• opentelemetry-sdk Fixed bugs (#2041, #2042 & #2045) in Span Limits (#2044)
• opentelemetry-sdk Add support for OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT env var (#2056)
• opentelemetry-sdk Treat limit even vars set to empty values as unset/unlimited. (#2054)
• opentelemetry-api Attribute keys must be non-empty strings. (#2057)

Version 0.23.1 (2021-07-26)

Changed

• Fix opentelemetry-bootstrap dependency script. (#1987)

Version 1.4.0/0.23b0 (2021-07-21)

Added

• Moved opentelemetry-instrumentation to core repository. (#1959)
• Add support for OTLP Exporter Protobuf over HTTP (#1868)
• Dropped attributes/events/links count available exposed on ReadableSpans. (#1893)
• Added dropped count to otlp, jaeger and zipkin exporters. (#1893)

Added

• Give OTLPHandler the ability to process attributes (#1952)
• Add global LogEmitterProvider and convenience function get_log_emitter (#1901)
• Add OTLPHandler for standard library logging module (#1903)

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)
• opentelemetry-semantic-conventions Generate semconv constants update for OTel Spec 1.5.0 (#1946)

Fixed

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

Version 1.3.0/0.22b0 (2021-06-01)

Added

• Allow span limits to be set programmatically via TracerProvider. (#1877)
• Added support for CreateKey functionality. (#1853)

Changed

• Updated get_tracer to return an empty string when passed an invalid name (#1854)
• Changed AttributeValue sequences to warn mypy users on adding None values to array (#1855)
• Fixed exporter OTLP header parsing to match baggage header formatting. (#1869)
• Added optional schema_url field to Resource class (#1871)
• Update protos to latest version release 0.9.0 (#1873)

Version 1.2.0/0.21b0 (2021-05-11)

Added

• Added example for running Django with auto instrumentation. (#1803)
• Added B3SingleFormat and B3MultiFormat propagators to the opentelemetry-propagator-b3 package. (#1823)
• Added support for OTEL_SERVICE_NAME. (#1829)
• Lazily read/configure limits and allow limits to be unset. (#1839)
• Added support for OTEL_EXPORTER_JAEGER_TIMEOUT (#1863)

Changed

• Fixed OTLP gRPC exporter silently failing if scheme is not specified in endpoint. (#1806)
• Rename CompositeHTTPPropagator to CompositePropagator as per specification. (#1807)
• Propagators use the root context as default for extract and do not modify the context if extracting from carrier does not work. (#1811)
• Fixed b3 propagator entrypoint to point to B3SingleFormat propagator. (#1823)
• Added b3multi propagator entrypoint to point to B3MultiFormat propagator. (#1823)
• Improve warning when failing to decode byte attribute (#1810)
• Fixed inconsistency in parent_id formatting from the ConsoleSpanExporter (#1833)
• Include span parent in Jaeger gRPC export as CHILD_OF reference ([#1809])(open-telemetry#1809)
• Fixed sequence values in OTLP exporter not translating (#1818)
• Update transient errors retry timeout and retryable status codes (#1842)
• Apply validation of attributes to Resource, move attribute related logic to separate package. (#1834)
• Fix start span behavior when excess links and attributes are included (#1856)

Removed

• Moved opentelemetry-instrumentation to contrib repository. (#1797)

Version 1.1.0 (2021-04-20)

Added

• Added py.typed file to every package. This should resolve a bunch of mypy errors for users. (#1720)
• Add auto generated trace and resource attributes semantic conventions (#1759)
• Added SpanKind to should_sample parameters, suggest using parent span context's tracestate instead of manually passed in tracestate in should_sample (#1764)
• Added experimental HTTP back propagators. (#1762)
• Zipkin exporter: Add support for timeout and implement shutdown (#1799)

Changed

• Adjust B3Format propagator to be spec compliant by not modifying context when propagation headers are not present/invalid/empty (#1728)
• Silence unnecessary warning when creating a new Status object without description. (#1721)
• Update bootstrap cmd to use exact version when installing instrumentation packages. (#1722)
• Fix B3 propagator to never return None. (#1750)
• Added ProxyTracerProvider and ProxyTracer implementations to allow fetching provider and tracer instances before a global provider is set up. (#1726)
• Added __contains__ to opentelementry.trace.span.TraceState. (#1773)
• opentelemetry-opentracing-shim Fix an issue in the shim where a Span was being wrapped in a NonRecordingSpan when it wasn't necessary. (#1776)
• OTLP Exporter now uses the scheme in the endpoint to determine whether to establish a secure connection or not. (#1771)

Version 1.0.0 (2021-03-26)

Added

• Document how to work with fork process web server models(Gunicorn, uWSGI etc...) (#1609)
• Add max_attr_value_length support to Jaeger exporter (#1633)
• Moved use_span from Tracer to opentelemetry.trace.use_span. (#1668)
• opentelemetry.trace.use_span() will now overwrite previously set status on span in case an exception is raised inside the context manager and set_status_on_exception is set to True. (#1668)
• Add udp_split_oversized_batches support to jaeger exporter (#1500)

Changed

• remove service_name from constructor of jaeger and opencensus exporters and use of env variable OTEL_PYTHON_SERVICE_NAME ([#1669])(open-telemetry#1669)
• Rename IdsGenerator to IdGenerator (#1651)
• Make TracerProvider's resource attribute private (#1652)
• Rename Resource's create_empty to get_empty (#1653)
• Renamed BatchExportSpanProcessor to BatchSpanProcessor and SimpleExportSpanProcessor to SimpleSpanProcessor (#1656)
• Rename DefaultSpan to NonRecordingSpan (#1661)
• Fixed distro configuration with OTEL_TRACES_EXPORTER env var set to otlp (#1657)
• Moving Getter, Setter and TextMapPropagator out of opentelemetry.trace.propagation and into opentelemetry.propagators (#1662)
• Rename BaggagePropagator to W3CBaggagePropagator (#1663)
• Rename JaegerSpanExporter to JaegerExporter and rename ZipkinSpanExporter to ZipkinExporter (#1664)
• Expose StatusCode from the opentelemetry.trace module (#1681)
• Status now only sets description when status_code is set to StatusCode.ERROR (#1673)
• Update OTLP exporter to use OTLP proto 0.7.0 (#1674)
• Remove time_ns from API and add a warning for older versions of Python (#1602)
• Hide implementation classes/variables in api/sdk (#1684)
• Cleanup OTLP exporter compression options, add tests (#1671)
• Initial documentation for environment variables (#1680)
• Change Zipkin exporter to obtain service.name from span (#1696)
• Split up opentelemetry-exporter-jaeger package into opentelemetry-exporter-jaeger-proto-grpc and opentelemetry-exporter-jaeger-thrift packages to reduce dependencies for each one. (#1694)
• Added opentelemetry-exporter-otlp-proto-grpc and changed opentelemetry-exporter-otlp to install it as a dependency. This will allow for the next package/protocol to also be in its own package. (#1695)
• Change Jaeger exporters to obtain service.name from span (#1703)
• Fixed an unset OTEL_TRACES_EXPORTER resulting in an error (#1707)
• Split Zipkin exporter into opentelemetry-exporter-zipkin-json and opentelemetry-exporter-zipkin-proto-http packages to reduce dependencies. The opentelemetry-exporter-zipkin installs both. (#1699)
• Make setters and getters optional (#1690)

Removed

• Removed unused get_hexadecimal_trace_id and get_hexadecimal_span_id methods. (#1675)
• Remove OTEL_EXPORTER_*_ INSECURE env var (#1682)
• Removing support for Python 3.5 (#1706)

Version 0.19b0 (2021-03-26)

Changed

• remove service_name from constructor of jaeger and opencensus exporters and use of env variable OTEL_PYTHON_SERVICE_NAME ([#1669])(open-telemetry#1669)
• Rename IdsGenerator to IdGenerator (#1651)

Removed

• Removing support for Python 3.5 (#1706)

Version 0.18b0 (2021-02-16)

Added

• Add urllib to opentelemetry-bootstrap target list (#1584)

Version 1.0.0rc1 (2021-02-12)

Changed

• Tracer provider environment variables are now consistent with the rest (#1571)
• Rename TRACE_ to TRACES_ for environment variables (#1595)
• Limits for Span attributes, events and links have been updated to 128 (1597)
• Read-only Span attributes have been moved to ReadableSpan class (#1560)
• BatchExportSpanProcessor flushes export queue when it reaches max_export_batch_size (#1521)

Added

• Added end_on_exit argument to start_as_current_span (#1519)
• Add Span.set_attributes method to set multiple values with one call (#1520)
• Make sure Resources follow semantic conventions (#1480)
• Allow missing carrier headers to continue without raising AttributeError (#1545)

Removed

• Remove Configuration (#1523)
• Remove Metrics as part of stable, marked as experimental (#1568)

Version 0.17b0 (2021-01-20)

Added

• Add support for OTLP v0.6.0 (#1472)
• Add protobuf via gRPC exporting support for Jaeger (#1471)
• Add support for Python 3.9 (#1441)
• Added the ability to disable instrumenting libraries specified by OTEL_PYTHON_DISABLED_INSTRUMENTATIONS env variable, when using opentelemetry-instrument command. (#1461)
• Add fields to propagators (#1374)
• Add local/remote samplers to parent based sampler (#1440)
• Add support for OTELSPAN{ATTRIBUTE_COUNT_LIMIT,EVENT_COUNT_LIMIT,LINK_COUNT_LIMIT} (#1377)
• Return None for DictGetter if key not found (#1449)
• Added support for Jaeger propagator (#1219)
• Remove dependency on SDK from opentelemetry-instrumentation package. The opentelemetry-sdk package now registers an entrypoint opentelemetry_configurator to allow opentelemetry-instrument to load the configuration for the SDK (#1420)
• opentelemetry-exporter-zipkin Add support for array attributes in Span and Resource exports (#1285)
• Added __repr__ for DefaultSpan, added trace_flags to __repr__ of SpanContext (#1485)
• opentelemetry-sdk Add support for OTEL_TRACE_SAMPLER and OTEL_TRACE_SAMPLER_ARG env variables (#1496)
• Adding opentelemetry-distro package to add default configuration for span exporter to OTLP (#1482)

Changed

• opentelemetry-exporter-zipkin Updated zipkin exporter status code and error tag (#1486)
• Recreate span on every run of a start_as_current_span-decorated function (#1451)
• opentelemetry-exporter-otlp Headers are now passed in as tuple as metadata, instead of a string, which was incorrect. (#1507)
• opentelemetry-exporter-jaeger Updated Jaeger exporter status code tag (#1488)
• opentelemetry-api opentelemety-sdk Moved idsgenerator into sdk (#1514)
• opentelemetry-sdk The B3Format propagator has been moved into its own package: opentelemetry-propagator-b3 (#1513)
• Update default port for OTLP exporter from 55680 to 4317 (#1516)
• opentelemetry-exporter-zipkin Update boolean attribute value transformation (#1509)
• Move opentelemetry-opentracing-shim out of instrumentation folder (#1533)
• opentelemetry-sdk The JaegerPropagator has been moved into its own package: opentelemetry-propagator-jaeger (#1525)
• opentelemetry-exporter-jaeger, opentelemetry-exporter-zipkin Update InstrumentationInfo tag keys for Jaeger and Zipkin exporters (#1535)
• opentelemetry-sdk Remove rate property setter from TraceIdRatioBasedSampler (#1536)
• Fix TraceState to adhere to specs (#1502)
• Update Resource merge key conflict precedence (#1544)

Removed

• opentelemetry-api Remove ThreadLocalRuntimeContext since python3.4 is not supported.

Version 0.16b1 (2020-11-26)

Added

• Add meter reference to observers (#1425)

Version 0.16b0 (2020-11-25)

Added

• Add optional parameter to record_exception method (#1314)
• Add pickle support to SpanContext class (#1380)
• Add instrumentation library name and version to OTLP exported metrics (#1418)
• Add Gzip compression for exporter (#1141)
• Support for v2 api protobuf format (#1318)
• Add IDs Generator as Configurable Property of Auto Instrumentation (#1404)
• Added support for OTEL_EXPORTER to the opentelemetry-instrument command (#1036)

Changed

• Change temporality for Counter and UpDownCounter (#1384)
• OTLP exporter: Handle error case when no credentials supplied (#1366)
• Update protobuf versions (#1356)
• Add missing references to instrumented packages (#1416)
• Instrumentation Package depends on the OTel SDK (#1405)
• Allow samplers to modify tracestate (#1319)
• Update exception handling optional parameters, add escaped attribute to record_exception (#1365)
• Rename MetricRecord to ExportRecord (#1367)
• Rename Record to Accumulation (#1373)
• Rename Meter to Accumulator (#1372)
• Fix ParentBased sampler for implicit parent spans. Fix also trace_state erasure for dropped spans or spans sampled by the TraceIdRatioBased sampler. (#1394)

Version 0.15b0 (2020-11-02)

Added

• Add Env variables in OTLP exporter (#1101)
• Add support for Jaeger Span Exporter configuration by environment variables and
  change JaegerSpanExporter constructor parameters (#1114)

Changed

• Updating status codes to adhere to specs (#1282)
• Set initial checkpoint timestamp in aggregators (#1237)
• Make SpanProcessor.on_start accept parent Context (#1251)
• Fix b3 propagator entrypoint (#1265)
• Allow None in sequence attributes values (#998)
• Samplers to accept parent Context (#1267)
• Span.is_recording() returns false after span has ended (#1289)
• Allow samplers to modify tracestate (#1319)
• Remove TracerProvider coupling from Tracer init (#1295)

Version 0.14b0 (2020-10-13)

Added

• Add optional parameter to record_exception method (#1242)
• Add support for OTEL_PROPAGATORS (#1123)
• Add keys method to TextMap propagator Getter (#1196)
• Add timestamps to OTLP exporter (#1199)
• Add Global Error Handler (#1080)
• Add support for OTEL_BSP_MAX_QUEUE_SIZE, OTEL_BSP_SCHEDULE_DELAY_MILLIS, OTEL_BSP_MAX_EXPORT_BATCH_SIZE and OTEL_BSP_EXPORT_TIMEOUT_MILLIS environment variables (#1105)
• Adding Resource to MeterRecord (#1209) s

Changed

• Store ints as ints in the global Configuration object (#1118)
• Allow for Custom Trace and Span IDs Generation - IdsGenerator for TracerProvider (#1153)
• Update baggage propagation header (#1194)
• Make instances of SpanContext immutable (#1134)
• Parent is now always passed in via Context, instead of Span or SpanContext (#1146)
• Update OpenTelemetry protos to v0.5.0 (#1143)
• Zipkin exporter now accepts a max_tag_value_length attribute to customize the maximum allowed size a tag value can have. (#1151)
• Fixed OTLP events to Zipkin annotations translation. (#1161)
• Fixed bootstrap command to correctly install opentelemetry-instrumentation-falcon instead of opentelemetry-instrumentation-flask. (#1138)
• Update sampling result names (#1128)
• Event attributes are now immutable (#1195)
• Renaming metrics Batcher to Processor (#1203)
• Protect access to Span implementation (#1188)
• start_as_current_span and use_span can now optionally auto-record any exceptions raised inside the context manager. (#1162)

Version 0.13b0 (2020-09-17)

Added

• Add instrumentation info to exported spans (#1095)
• Add metric OTLP exporter (#835)
• Add type hints to OTLP exporter (#1121)
• Add support for OTEL_EXPORTER_ZIPKIN_ENDPOINT env var. As part of this change, the configuration of the ZipkinSpanExporter exposes a url argument to replace host_name, port, protocol, endpoint. This brings this implementation inline with other implementations. (#1064)
• Zipkin exporter report instrumentation info. (#1097)
• Add status mapping to tags (#1111)
• Report instrumentation info (#1098)
• Add support for http metrics (#1116)
• Populate resource attributes as per semantic conventions (#1053)

Changed

• Refactor SpanContext.is_valid from a method to a data attribute (#1005)
• Moved samplers from API to SDK (#1023)
• Change return value type of correlationcontext.get_correlations to immutable MappingProxyType (#1024)
• Sampling spec changes (#1034)
• Remove lazy Event and Link API from Span interface (#1045)
• Rename CorrelationContext to Baggage (#1060)
• Rename HTTPTextFormat to TextMapPropagator. This change also updates get_global_httptextformat and set_global_httptextformat to get_global_textmap and set_global_textmap (#1085)
• Fix api/sdk setup.cfg to include missing python files (#1091)
• Improve BatchExportSpanProcessor (#1062)
• Rename Resource labels to attributes (#1082)
• Rename members of trace.sampling.Decision enum (#1115)
• Merge OTELResourceDetector result when creating resources (#1096)

Removed

• Drop support for Python 3.4 (#1099)

Version 0.12b0 (2020-08-14)

Added

• Implement Views in metrics SDK (#596)

Changed

• Update environment variable names, prefix changed from OPENTELEMETRY to OTEL (#904)
• Stop TracerProvider and MeterProvider from being overridden (#959)
• Update default port to 55680 (#977)
• Add proper length zero padding to hex strings of traceId, spanId, parentId sent on the wire, for compatibility with jaeger-collector (#908)
• Send start_timestamp and convert labels to strings (#937)
• Renamed several packages (#953)
• Thrift URL for Jaeger exporter doesn't allow HTTPS (hardcoded to HTTP) (#978)
• Change reference names to opentelemetry-instrumentation-opentracing-shim (#969)
• Changed default Sampler to ParentOrElse(AlwaysOn) (#960)
• Update environment variable names, prefix changed from OPENTELEMETRY to OTEL (#904)
• Update environment variable OTEL_RESOURCE to OTEL_RESOURCE_ATTRIBUTES as per the specification

Version 0.11b0 (2020-07-28)

Added

• Add support for resources and resource detector (#853)

Changed

• Return INVALID_SPAN if no TracerProvider set for get_current_span (#751)
• Rename record_error to record_exception (#927)
• Update span exporter to use OpenTelemetry Proto v0.4.0 (#872)

Version 0.10b0 (2020-06-23)

Changed

• Regenerate proto code and add pyi stubs (#823)
• Rename CounterAggregator -> SumAggregator (#816)

Version 0.9b0 (2020-06-10)

Added

• Adding trace.get_current_span, Removing Tracer.get_current_span (#552)
• Add SumObserver, UpDownSumObserver and LastValueAggregator in metrics (#789)
• Add start_pipeline to MeterProvider (#791)
• Initial release of opentelemetry-ext-otlp, opentelemetry-proto

Changed

• Move stateful & resource from Meter to MeterProvider (#751)
• Rename Measure to ValueRecorder in metrics (#761)
• Rename Observer to ValueObserver (#764)
• Log a warning when replacing the global Tracer/Meter provider (#856)
• bugfix: byte type attributes are decoded before adding to attributes dict (#775)
• Rename opentelemetry-auto-instrumentation to opentelemetry-instrumentation, and console script opentelemetry-auto-instrumentation to opentelemetry-instrument

Version 0.8b0 (2020-05-27)

Added

• Add a new bootstrap command that enables automatic instrument installations. (#650)

Changed

• Handle boolean, integer and float values in Configuration (#662)
• bugfix: ensure status is always string (#640)
• Transform resource to tags when exporting (#707)
• Rename otcollector to opencensus (#695)
• Transform resource to tags when exporting (#645)
• ext/boto: Could not serialize attribute aws.region to tag when exporting via jaeger Serialize tuple type values by coercing them into a string, since Jaeger does not support tuple types. (#865)
• Validate span attribute types in SDK (#678)
• Specify to_json indent from arguments (#718)
• Span.resource will now default to an empty resource (#724)
• bugfix: Fix error message (#729)
• deep copy empty attributes (#714)

Version 0.7b1 (2020-05-12)

Added

• Add reset for the global configuration object, for testing purposes (#636)
• Add support for programmatic instrumentation (#579)

Changed

• tracer.get_tracer now optionally accepts a TracerProvider (#602)
• Configuration object can now be used by any component of opentelemetry, including 3rd party instrumentations (#563)
• bugfix: configuration object now matches fields in a case-sensitive manner (#583)
• bugfix: configuration object now accepts all valid python variable names (#583)
• bugfix: configuration undefined attributes now return None instead of raising an AttributeError. (#583)
• bugfix: 'debug' field is now correct (#549)
• bugfix: enable auto-instrumentation command to work for custom entry points (e.g. flask_run) (#567)
• Exporter API: span parents are now always spancontext (#548)
• Console span exporter now prints prettier, more legible messages (#505)
• bugfix: B3 propagation now retrieves parentSpanId correctly (#621)
• bugfix: a DefaultSpan now longer causes an exception when used with tracer (#577)
• move last_updated_timestamp into aggregators instead of bound metric instrument (#522)
• bugfix: suppressing instrumentation in metrics to eliminate an infinite loop of telemetry (#529)
• bugfix: freezing span attribute sequences, reducing potential user errors (#529)

Version 0.6b0 (2020-03-30)

Added

• Add support for lazy events and links (#474)
• Adding is_remote flag to SpanContext, indicating when a span is remote (#516)
• Adding a solution to release metric handles and observers (#435)
• Initial release: opentelemetry-instrumentation

Changed

• Metrics API no longer uses LabelSet (#527)
• Allow digit as first char in vendor specific trace state key (#511)
• Exporting to collector now works (#508)

Version 0.5b0 (2020-03-16)

Added

• Adding Correlation Context API/SDK and propagator (#471)
• Adding a global configuration module to simplify setting and getting globals (#466)
• Adding named meters, removing batchers (#431)
• Adding attach/detach methods as per spec (#429)
• Adding OT Collector metrics exporter (#454)
• Initial release opentelemetry-ext-otcollector

Changed

• Rename metric handle to bound metric instrument (#470)
• Moving resources to sdk (#464)
• Implementing propagators to API to use context (#446)
• Renaming TraceOptions to TraceFlags (#450)
• Renaming TracerSource to TracerProvider (#441)
• Improve validation of attributes (#460)
• Re-raise errors caught in opentelemetry.sdk.trace.Tracer.use_span() (#469)
• Implement observer instrument (#425)

Version 0.4a0 (2020-02-21)

Added

• Added named Tracers (#301)
• Add int and valid sequenced to AttributeValue type (#368)
• Add ABC for Metric (#391)
• Metrics export pipeline, and stdout exporter (#341)
• Adding Context API Implementation (#395)
• Adding trace.get_tracer function (#430)
• Add runtime validation for set_attribute (#348)
• Add support for B3 ParentSpanID (#286)
• Implement MinMaxSumCount aggregator (#422)
• Initial release opentelemetry-ext-zipkin, opentelemetry-ext-prometheus

Changed

• Separate Default classes from interface descriptions (#311)
• Export span status (#367)
• Export span kind (#387)
• Set status for ended spans (#297 and #358)
• Use module loggers (#351)
• Protect start_time and end_time from being set manually by the user (#363)
• Set status in start_as_current_span (#377)
• Implement force_flush for span processors (#389)
• Set sampled flag on sampling trace (#407)
• Add io and formatter options to console exporter (#412)
• Clean up ProbabilitySample for 64 bit trace IDs (#238)

Removed

• Remove monotonic and absolute metric instruments (#410)

Version 0.3a0 (2019-12-11)

Added

• Add metrics exporters (#192)
• Implement extract and inject support for HTTP_HEADERS and TEXT_MAP formats (#256)

Changed

• Multiple tracing API/SDK changes
• Multiple metrics API/SDK changes

Removed

• Remove option to create unstarted spans from API (#290)

Version 0.2a0 (2019-10-29)

Added

• W3C TraceContext fixes and compliance tests (#228)
• Sampler API/SDK (#225)
• Initial release: opentelemetry-ext-jaeger, opentelemetry-opentracing-shim

Changed

• Multiple metrics API/SDK changes
• Multiple tracing API/SDK changes
• Multiple context API changes
• Multiple bugfixes and improvements

Version 0.1a0 (2019-09-30)

Added

• Initial release api/sdk

• Use Attribute rather than boundattribute in logrecord (#3567)

• Fix flush error when no LoggerProvider configured for LoggingHandler (#3608)

• Fix OTLPMetricExporter ignores preferred_aggregation property (#3603)

• Logs: set observed_timestamp field (#3565)

• Add missing Resource SchemaURL in OTLP exporters (#3652)

• Fix loglevel warning text (#3566)

• Prometheus Exporter string representation for target_info labels (#3659)

• Logs: ObservedTimestamp field is missing in console exporter output (#3564)

• Fix explicit bucket histogram aggregation (#3429)

• Add code.lineno, code.function and code.filepath to all logs (#3645)

• Add Synchronous Gauge instrument (#3462)

• Drop support for 3.7 (#3668)

• Include key in attribute sequence warning (#3639)

• Upgrade markupsafe, Flask and related dependencies to dev and test environments (#3609)

• Handle HTTP 2XX responses as successful in OTLP exporters (#3623)

• Improve Resource Detector timeout messaging (#3645)

• Add Proxy classes for logging (#3575)

• Remove dependency on 'backoff' library (#3679)