v1.39.0 (2024-11-07) Logs Simplify the name "Logs Instrumentation API" to just "Logs API". (#4258) Rename Log Bridge API to Logs API. Define the existing Logger methods to be Log Bridge Operations. Add EmitEvent to the Logger as an Instrumentation Operation. (#4259) Profiles Define required attributes for Mappings. (#4197) Compatibility Add requirement to allow extending Stable APIs. (#4270) SDK Configuration Clarify declarative configuration parse requirements for null vs empty. (#4269) Common Define prototype for proposed features in development. (#4273) New Contributors @florianl made their first contribution in https://github.com/open-telemetry/opentelemetry-specification/pull/4197