diff --git a/release-notes/v1.5.9.yaml b/release-notes/v1.5.9.yaml
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+date: February 11, 2026
+
+# Changes that are expected to cause an incompatibility with previous versions, such as deletions or modifications to existing APIs.
+breaking changes: |
+
+# Updates addressing vulnerabilities, security flaws, or compliance requirements.
+security updates: |
+
+# New features or capabilities added in this release.
+new features: |
+
+bug fixes: |
+  Fixes an issue where shutdown manager didn't ignore ready and stats listener metrics in connection calculation.
+  Fixed an issue where shutdown manager incorrectly counted ready and stats listener connections, preventing timely shutdown.
+  Fixed an issue where custom response filters were not properly positioned in the filter chain, causing redirect functionality to fail in OAuth2 flows.
+  Fixed an issue where route-level idle timeout prevented users from configuring listener-level idle timeout.
+  Fixed an issue where the message package did not adopt the configured logging level.
+  Fixed an issue where the controller reported ready before cache synced.
+
+# Enhancements that improve performance.
+performance improvements: |
+
+# Deprecated features or APIs.
+deprecations: |
+
+# Other notable changes not covered by the above sections.
+Other changes: |
diff --git a/site/content/en/news/releases/notes/v1.5.9.md b/site/content/en/news/releases/notes/v1.5.9.md
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+---
+title: "v1.5.9"
+publishdate: 2026-02-11
+---
+
+Date: February 11, 2026
+
+## Breaking changes
+- 
+
+## Security updates
+- 
+
+## New features
+- 
+
+## Bug fixes
+- Fixes an issue where shutdown manager didn't ignore ready and stats listener metrics in connection calculation.
+- Fixed an issue where shutdown manager incorrectly counted ready and stats listener connections, preventing timely shutdown.
+- Fixed an issue where custom response filters were not properly positioned in the filter chain, causing redirect functionality to fail in OAuth2 flows.
+- Fixed an issue where route-level idle timeout prevented users from configuring listener-level idle timeout.
+- Fixed an issue where the message package did not adopt the configured logging level.
+- Fixed an issue where the controller reported ready before cache synced.
+
+## Performance improvements
+- 
+
+## Deprecations
+- 
+
+## Other changes
+- 
+