Add release-notes file

Author: oliverguenther

docs/release-notes/16-6-5/README.md

@@ -0,0 +1,27 @@
+---
+title: OpenProject 16.6.5
+sidebar_navigation:
+    title: 16.6.5
+release_version: 16.6.5
+release_date: 2026-01-16
+---
+
+# OpenProject 16.6.5
+
+Release date: 2026-01-16
+
+We released OpenProject [OpenProject 16.6.5](https://community.openproject.org/versions/2253).
+The release contains several bug fixes and we recommend updating to the newest version.
+Below you will find a complete list of all changes and bug fixes.
+
+<!--more-->
+
+## Bug fixes and changes
+
+<!-- Warning: Anything within the below lines will be automatically removed by the release script -->
+<!-- BEGIN AUTOMATED SECTION -->
+
+- Bugfix: Add default framework headers removed in secure\_headers \[[#70384](https://community.openproject.org/wp/70384)\]
+
+<!-- END AUTOMATED SECTION -->
+<!-- Warning: Anything above this line will be automatically removed by the release script -->

docs/release-notes/README.md

@@ -13,6 +13,13 @@ Stay up to date and get an overview of the new features included in the releases
 <!--- New release notes are generated below. Do not remove comment. -->
 <!--- RELEASE MARKER -->
 
+## 16.6.5
+
+Release date: 2026-01-16
+
+[Release Notes](16-6-5/)
+
+
 ## 16.6.4
 
 Release date: 2026-01-08