diff --git a/doc/release/0.5.rst b/doc/release/0.5.rst
index f730979d6..1605e949b 100644
--- a/doc/release/0.5.rst
+++ b/doc/release/0.5.rst
@@ -9,6 +9,9 @@ Release Date: TBD
 New Features
 ------------
 #. Move instead of copy files from TemporaryDirectoryChanger. (`PR#2022 <https://github.com/terrapower/armi/pull/2022>`_)
+#. Provide ``Composite.iterChildren``, ``Composite.iterChildrenWithFlags``, ``Composite.iterChildrenOfType``,
+   ``Composite.iterChildrenWithMaterials``, and ``Assembly.iterBlocks`` for efficient composite tree traversal.
+   (`PR#2031 <https://github.com/terrapower/armi/pull/2031>`_)
 
 API Changes
 -----------