REL: 5.3.1

Changelog

@@ -25,6 +25,18 @@ Eric Larson (EL), Demian Wassermann, Stephan Gerhard and Ross Markello (RM).
 
 References like "pr/298" refer to github pull request numbers.
 
+5.3.1 (Tuesday 15 October 2024)
+===============================
+
+Bug-fix release in the 5.3.x series.
+
+Bug fixes
+---------
+* Restore access to private attribute ``Nifti1Extension._content`` to unbreak subclasses
+  that did not use public accessor methods. (pr/1378) (CM, reviewed by Basile Pinsard)
+* Remove test order dependency in ``test_api_validators`` (pr/1377) (CM)
+
+
 5.3.0 (Tuesday 8 October 2024)
 ==============================