Version 1.25.0/0.46b0

• Fix class BoundedAttributes to have RLock rather than Lock (#3859)
• Remove thread lock by loading RuntimeContext explicitly. (#3763)
• Update proto version to v1.2.0 (#3844)
• Add to_json method to ExponentialHistogram (#3780)
• Bump mypy to 1.9.0 (#3795)
• Fix exponential histograms (#3798)
• Fix otlp exporter to export log_record.observed_timestamp (#3785)
• Add capture the fully qualified type name for raised exceptions in spans (#3837)
• Prometheus exporter sort label keys to prevent duplicate metrics when user input changes order (#3698)
• Update semantic conventions to version 1.25.0. Refactor semantic-convention structure: - SpanAttributes, ResourceAttributes, and MetricInstruments are deprecated. - Attribute and metric definitions are now grouped by the namespace. - Stable attributes and metrics are moved to opentelemetry.semconv.attributes and opentelemetry.semconv.metrics modules. - Stable and experimental attributes and metrics are defined under opentelemetry.semconv._incubating import path. (#3586)
• Rename test objects to avoid pytest warnings ([#3823] (#3823))
• Add span flags to OTLP spans and links (#3881)
• Record links with invalid SpanContext if either attributes or TraceState are not empty (#3917)
• Add OpenTelemetry trove classifiers to PyPI packages ([#3913] (#3913))
• Fix prometheus metric name and unit conversion (#3924) - this is a breaking change to prometheus metric names so they comply with the specification. - you can temporarily opt-out of the unit normalization by setting the environment variable OTEL_PYTHON_EXPERIMENTAL_DISABLE_PROMETHEUS_UNIT_NORMALIZATION=true - common unit abbreviations are converted to Prometheus conventions (s -> seconds), following the collector's implementation - repeated _ are replaced with a single _ - unit annotations (enclosed in curly braces like {requests}) are stripped away - units with slash are converted e.g. m/s -> meters_per_second. - The exporter's API is not changed
• Add parameters for Distros and configurators to configure autoinstrumentation in addition to existing environment variables. ([#3864] (#3864))

Version 1.24.0/0.45b0

• Make create_gauge non-abstract method (#3817)
• 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)
• Use BaseException instead of Exception in record_exception (#3354)
• Make span.record_exception more robust (#3778)
• Fix license field in pyproject.toml files (#3803)

Version 1.23.0/0.44b0

• 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)

Version 1.22.0/0.43b0

• 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

• 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)

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)