Update change log for upcoming release

Author: trask

CHANGELOG.md

@@ -6,6 +6,44 @@
 
 - The configuration option used to enable traces generated by the `dropwizard-views` instrumentation has changed from `otel.instrumentation.common.experimental.controller-telemetry.enabled` to `otel.instrumentation.common.experimental.view-telemetry.enabled`
  ([#14475](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14475))
+- Deprecated (and `-alpha`) SpanNames class was removed
+ ([#14582](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14582))
+
+### 📈 Enhancements
+
+- Add code attributes for log4j1
+ ([#13947](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/13947))
+- Add headers capture feature to Kafka 2.6 interceptors
+ ([#14290](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14290))
+- Support custom exception handling from logger instrumentation
+ ([#14493](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14493))
+- Add call depth check to executor instrumentation
+ ([#14546](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14546))
+- Add Spring starter thread details support
+ ([#14449](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14449))
+- Let AWS Lambda SQS handlers report partial batch failures
+ ([#14468](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14468))
+- Instrument instrumentation suppression API
+ ([#14565](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14565))
+- Update declarative config file version support
+ ([#14593](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14593))
+
+### 🛠️ Bug fixes
+
+- Fix non-lowercase messaging headers capture
+ ([#14479](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14479))
+- Fix JUL logger methods parameter mismatch
+ ([#14531](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14531))
+
+### 🧰 Tooling
+
+- Add constructor to AgentClassLoader for custom parent ClassLoader
+ ([#14480](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14480))
+- Make declarative config bridge usable by Spring starter and contrib
+ ([#14497](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14497),
+ [#14548](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14548))
+- Reduce log level for main jar detection
+ ([#14528](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14528))
 
 ## Version 2.19.0 (2025-08-17)