Version 1.45.0/0.66b0

Added

• opentelemetry-instrumentation-psycopg2, opentelemetry-instrumentation-psycopg: Add sqlcommenter support for instrument_connection (#4267)
• opentelemetry-instrumentation-fastapi: Document auto-instrumentation setup and HTTP/WebSocket trace propagation opentelemetry-instrumentation: Include the instrumentation README in API docs (#4555)
• opentelemetry-instrumentation-botocore: capture Bedrock prompt cache token usage for converse and converse_stream API (#4615)
• opentelemetry-instrumentation-fastapi: advertise inline type annotations (#4685)
• opentelemetry-instrumentation-kafka-python: Update kafka python instrumentation to support kafka-python>=3 (#4786)
• opentelemetry-instrumentation-mysql: add semantic convention stability opt-in mode tests (#4810)
• opentelemetry-instrumentation-aiopg: Add DB client operation duration and returned rows metrics. (#4826)
• opentelemetry-instrumentation-httpx: support strict typing (#4833)
• opentelemetry-instrumentation-mysqlclient: add semantic convention stability opt-in mode tests (#4834)
• opentelemetry-instrumentation-pymysql: add semantic convention stability opt-in mode tests (#4835)
• opentelemetry-instrumentation-sqlite3: add semantic convention stability opt-in mode tests (#4836)
• opentelemetry-instrumentation-psycopg: add semantic convention stability opt-in mode tests (#4838)
• infra: add validation for changelog file format (#4856)
• opentelemetry-instrumentation-aio-pika: bump maximum admissible aio-pika version to 11.0.0 (#4998)

Changed

• opentelemetry-instrumentation: clarify dependency conflict messages, in logs and in DependencyConflictError, and promote auto-instrumentation version conflict logs to error level (#5025)

Removed

• opentelemetry-instrumentation-kafka-python: drop support for the deprecated kafka-python-ng fork now that kafka-python is actively maintained again (#4839)
• opentelemetry-instrumentation-kafka-python: remove unused KafkaPropertiesExtractor.extract_send_key and KafkaPropertiesExtractor.extract_send_value helpers (#4858)
• opentelemetry-instrumentation-anthropic, opentelemetry-instrumentation-claude-agent-sdk, opentelemetry-instrumentation-langchain, opentelemetry-instrumentation-weaviate: removed from this repository; these instrumentations now live in and are maintained from the opentelemetry-python-genai repository (#4903)

Fixed

• opentelemetry-instrumentation-aws-lambda: support ALB multiValueHeaders (#4605)
• opentelemetry-instrumentation-redis: extract ClusterPipeline commands from _execution_strategy in redis-py 6+ so pipeline span attributes include the queued commands instead of being empty (#4728)
• opentelemetry-instrumentation-aiopg: fix connection metadata for manual instrumentation (#4821)
• opentelemetry-instrumentation-redis: treat explicit db=None as database index 0 (#4828)
• opentelemetry-instrumentation-aws-lambda: use the correct camel case when accessing the SQS message attributes (#4831)
• opentelemetry-instrumentation-botocore: Restore PyPy test coverage. (#4841)
• opentelemetry-instrumentation-botocore: don't emit error status on 3xx ClientError responses (#4851)
• opentelemetry-instrumentation-kafka-python: record the actual messaging.kafka.partition read back from the producer send() future, instead of a pre-computed estimate that did not match the delivered partition for randomly-partitioned messages (#4858)
• opentelemetry-instrumentation-logging: Promote otel.event.name to LogRecord.event_name in _translate (#4864)
• opentelemetry-instrumentation-grpc: respect suppressed instrumentation in server interceptors (#4870)
• opentelemetry-instrumentation-logging: Import code_attributes from stable semconv package (#4873)
• opentelemetry-instrumentation-asyncio: fix to_thread instrumentation so spans and duration metrics measure the actual function execution instead of ending immediately, repeated calls of the same function are all recorded instead of only the first one, and failures are recorded with the same state values (exception, timeout, cancelled) as the coroutine and future paths; the AsyncioInstrumentor.trace_to_thread method is renamed to AsyncioInstrumentor.wrap_to_thread_func to reflect that it now returns a wrapper (#4901)
• opentelemetry-instrumentation-logging: fix documented name of the code attributes env var to OTEL_PYTHON_LOG_CODE_ATTRIBUTES (#4912)
• opentelemetry-instrumentation-psycopg: avoid IndexError in get_operation_name for comment-only or whitespace-only Composed statements (#4936)
• opentelemetry-instrumentation-psycopg2: avoid IndexError in get_operation_name for comment-only or whitespace-only statements (#4942)
• opentelemetry-instrumentation-sqlalchemy: avoid IndexError in _operation_name for comment-only or whitespace-only statements (#4943)
• opentelemetry-instrumentation-mysql: support mysql-connector-python 26.7.0 and later (#4951)
• opentelemetry-util-http: stop _parse_url_query raising on unparsable urls (#4965)
• opentelemetry-instrumentation-asyncio: fix metric name and future example in module docs (#5083)
• opentelemetry-instrumentation-pymemcache: honor instrumentation suppression (#5086)
• opentelemetry-instrumentation-asyncpg: honor instrumentation suppression (#5087)
• opentelemetry-propagator-ot-trace: cap ot-baggage-* entries on extract and inject (#5098)