Sourced from opentelemetry-api's changelog.

Version 1.33.0/0.54b0 (2025-05-09)

• Fix intermittent Connection aborted error when using otlp/http exporters (#4477)
• opentelemetry-sdk: use stable code attributes: code.function -> code.function.name, code.lineno -> code.line.number, code.filepath -> code.file.path (#4508)
• Fix serialization of extended attributes for logs signal (#4342)
• Handle OTEL_PROPAGATORS contains None (#4553)
• docs: updated and added to the metrics and log examples (#4559)
• Bump semantic conventions to 1.33.0 (#4567)

Version 1.32.0/0.53b0 (2025-04-10)

• Fix user agent in OTLP HTTP metrics exporter (#4475)
• Improve performance of baggage operations (#4466)
• sdk: remove duplicated constant definitions for environment_variables (#4491)
• api: Revert record BaseException change in trace_api.use_span() (#4494)
• Improve CI by cancelling stale runs and setting timeouts (#4498)
• Patch logging.basicConfig so OTel logs don't cause console logs to disappear (#4436)
• Bump semantic conventions to 1.32.0 (#4530)
• Fix ExplicitBucketHistogramAggregation to handle multiple explicit bucket boundaries advisories (#4521)
• opentelemetry-sdk: Fix serialization of objects in log handler (#4528)

Version 1.31.0/0.52b0 (2025-03-12)

• semantic-conventions: Bump to 1.31.0 (#4471)
• Add type annotations to context's attach & detach (#4346)
• Fix OTLP encoders missing instrumentation scope schema url and attributes (#4359)
• prometheus-exporter: fix labels out of place for data points with different attribute sets (#4413)
• Type indent parameter in to_json (#4402)
• Tolerates exceptions when loading resource detectors via OTEL_EXPERIMENTAL_RESOURCE_DETECTORS

... (truncated)

• 65904db Prepare release 1.33.0/0.54b0 (#4573)
• 77a09e7 opentelemetry-api: review get_logger documentation (#4507)
• a0fbda1 Bump semantic conventions to 1.33.0 (#4567)
• f55bcec Handle None in OTEL_PROPAGATORS (#4553)
• e46db88 infra: Automate SHA procedure during releases (#4547)
• 00329e0 Refactor BatchLogRecordProcessor and associated tests (#4535)
• adbec50 bugfix(exporter): ensure response is closed (#4477)
• 1b1e8d8 opentelemetry-sdk: use stable code attributes (#4508)
• e0cf233 feat: Updated and added examples (logs and metrics) (#4559)
• 742171e logs: fix serialization of Extended attributes (#4342)
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