[release] release-step-4 1.6.0 (#828)

* post release: elastic-otel-java v1.6.0

* remove leftover from release

---------

Co-authored-by: obltmachine <[email protected]>
Co-authored-by: Sylvain Juge <[email protected]>

Author: 3 people

CHANGELOG.next-release.md

@@ -13,8 +13,6 @@ This file contains all changes which are not released yet.
 <!--FIXES-END-->
 # Features and enhancements
 <!--ENHANCEMENTS-START-->
-* Add support for dynamic configuration options for 9.2 #818
-* Switch upstream Opamp client #789
 
 <!--ENHANCEMENTS-END-->
 # Deprecations
@@ -24,6 +22,5 @@ This file contains all changes which are not released yet.
 
 # Breaking Changes
 <!--BREAKING-CHANGES-START-->
-* Switch to upstream instrumentation of openai by default #763
 
 <!--BREAKING-CHANGES-END-->

docs/release-notes/breaking-changes.md

@@ -34,3 +34,9 @@ In OpenTelemetry Java agent version 2.18.0, an `openai` instrumentation module w
 **Action**<br> The equivalent of `ELASTIC_OTEL_JAVA_INSTRUMENTATION_GENAI_EMIT_EVENTS` is `OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT`. If you want to revert entirely to the previous setup, turn off the upstream implementation and turn on the EDOT one. For example: `OTEL_INSTRUMENTATION_OPENAI=false` and `OTEL_INSTRUMENTATION_OPENAI_CLIENT=true`
 View [PR #763](https://github.com/elastic/elastic-otel-java/pull/763).
 ::::
+## 1.6.0 [1.6.0]
+
+**Release date:** October 6, 2025
+
+* Switch to upstream instrumentation of openai by default #763
+

docs/release-notes/index.md

@@ -27,6 +27,24 @@ To check for security updates, go to [Security announcements for the Elastic sta
 % ### Fixes [edot-java-X.X.X-fixes]
 % *
 
+## 1.6.0 [edot-java-1-6-0-release-notes]
+**Release date:** October 6, 2025
+
+### Features and enhancements [edot-java-1-6-0-features-enhancements]
+* Add support for dynamic configuration options for 9.2 #818
+* Switch upstream Opamp client #789
+
+### Breaking changes [edot-java-1-6-0-fixes]
+* Switch to upstream instrumentation of openai by default #763
+
+This release is based on the following upstream versions:
+
+
+* opentelemetry-javaagent: [2.20.1](https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/tag/v2.20.1)
+* opentelemetry-sdk: [1.54.1](https://github.com/open-telemetry/opentelemetry-java/releases/tag/v1.54.1)
+* opentelemetry-semconv: [1.37.0](https://github.com/open-telemetry/semantic-conventions-java/releases/tag/v1.37.0)
+* opentelemetry-java-contrib: [1.49.0](https://github.com/open-telemetry/opentelemetry-java-contrib/releases/tag/v1.49.0)
+
 ## 1.5.0 [edot-java-1.5.0-release-notes]
 
 ### Features and enhancements [edot-java-1.5.0-features-enhancements]

version.properties

@@ -1 +1 @@
-version=1.6.0
+version=1.6.1-SNAPSHOT