diff --git a/CHANGES.rst b/CHANGES.rst
index 1fa43b38..ac1bf25d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -13,12 +13,21 @@ General
 New Features
 ------------
 
+- The ``Regions`` class can now be initialized without any arguments.
+  [#527]
+
+- The ``Regions`` ``extend`` method now can accept another ``Regions``
+  object as input. [#527]
+
 Bug Fixes
 ---------
 
 API Changes
 -----------
 
+- The ``Regions`` class and its ``append`` and ``extend`` methods now
+  raise a ``TypeError`` for invalid inputs. [#527]
+
 
 0.7 (2022-10-27)
 ================