diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index eaad52f5f7..85e7c483f6 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -54,6 +54,7 @@ Changelog
 ~~~~~~~~~~~~~~~~~~
 
  * Fix: Restore ability to upload profile picture through account settings (Sage Abdullah)
+ * Fix: Correctly handle `ImageChooserBlock` to `ImageBlock` data conversions where all inputs to `bulk_to_python` are null (Storm Heg, Matt Westcott)
 
 
 6.3 LTS (01.11.2024)
diff --git a/docs/releases/6.3.1.md b/docs/releases/6.3.1.md
index 231cc92cc9..7c8dbff749 100644
--- a/docs/releases/6.3.1.md
+++ b/docs/releases/6.3.1.md
@@ -15,3 +15,4 @@ depth: 1
 ### Bug fixes
 
  * Restore ability to upload profile picture through account settings (Sage Abdullah)
+ * Correctly handle `ImageChooserBlock` to `ImageBlock` data conversions where all inputs to `bulk_to_python` are null (Storm Heg, Matt Westcott)