docs: added 5.3.0 release notes

docs/release-notes/release-notes-5.3.0.rst

@@ -0,0 +1,45 @@
+|RCE| 5.3.0 |RNS|
+-----------------
+
+Release Date
+^^^^^^^^^^^^
+
+- 2024-09-17
+
+
+New Features
+^^^^^^^^^^^^
+
+- System-info: expose rhodecode config for better visibility of set settings for RhodeCode system.
+
+
+General
+^^^^^^^
+
+
+
+Security
+^^^^^^^^
+
+- Permissions: fixed security problem with apply-to-children from a repo group functionality breaking
+  permissions for private repositories exposing them despite repo being private.
+- Git-lfs: fixed security problem with allowing off-chain attacks to replace OID data without validating hash for already present oids.
+  This allowed to replace an LFS OID content with malicious request tailored to open RhodeCode server.
+
+
+Performance
+^^^^^^^^^^^
+
+
+
+
+Fixes
+^^^^^
+
+- Fixed problems with incorrect user agent errors
+
+
+Upgrade notes
+^^^^^^^^^^^^^
+
+- RhodeCode 5.3.0 is unscheduled security release to address some build issues with 5.X images

docs/release-notes/release-notes.rst

@@ -10,6 +10,7 @@ Release Notes
 .. toctree::
    :maxdepth: 1
 
+   release-notes-5.3.0.rst
    release-notes-5.2.1.rst
    release-notes-5.2.0.rst
    release-notes-5.1.2.rst