diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 176e966a46..013f2d2cb5 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -25,6 +25,7 @@ Changelog
  * Fix: Un-pin django-treebeard following upstream fix for migration issue (Matt Westcott)
  * Fix: Prevent crash when copying an alias page (Karl Hobley)
  * Fix: Prevent errors on page editing after changing LANGUAGE_CODE (Matt Westcott)
+ * Fix: Correctly handle model inheritance and `ClusterableModel` on `copy_for_translation` (Karl Hobley)
 
 
 2.12.2 (18.02.2021)
diff --git a/docs/releases/2.12.3.rst b/docs/releases/2.12.3.rst
index 964e744f91..e07eb9e325 100644
--- a/docs/releases/2.12.3.rst
+++ b/docs/releases/2.12.3.rst
@@ -16,3 +16,4 @@ Bug fixes
  * Un-pin django-treebeard following upstream fix for migration issue (Matt Westcott)
  * Prevent crash when copying an alias page (Karl Hobley)
  * Prevent errors on page editing after changing LANGUAGE_CODE (Matt Westcott)
+ * Correctly handle model inheritance and ``ClusterableModel`` on ``copy_for_translation`` (Karl Hobley)