changelog

Author: lmolkova

CHANGELOG.md

@@ -42,6 +42,8 @@ release.
   ([#2522](https://github.com/open-telemetry/opentelemetry-specification/pull/2522))
 - Add semantic conventions for Kafka consumer metrics
   ([#2536](https://github.com/open-telemetry/opentelemetry-specification/pull/2536))
+- Adopt attribute requirement levels in semantic conventions
+  ([#2594](https://github.com/open-telemetry/opentelemetry-specification/pull/2594))
 
 ### Compatibility