- Removed superfluous py.typed markers and added them where they were missing (#4172)
- Include metric info in encoding exceptions (#4154)
- sdk: Add support for log formatting (#4137)
- sdk: Add Host resource detector (#4182)
- sdk: Implementation of exemplars (#4094)
- Implement events sdk (#4176)
- Update semantic conventions to version 1.28.0 (#4218)
- Add support to protobuf 5+ and drop support to protobuf 3 and 4 (#4206)
- Update environment variable descriptions to match signal (#4222)
- Record logger name as the instrumentation scope name (#4208)
- Fix memory leak in exporter and reader (#4224)
- Drop
OTEL_PYTHON_EXPERIMENTAL_DISABLE_PROMETHEUS_UNIT_NORMALIZATION
environment variable (#4217)