diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 4fba97b..3df08a2 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -7,7 +7,11 @@ v1.0.0-alpha.x
 ### Breaking Changes
 
 - Minimum OpenAssetIO version increased to `v1.0.0-alpha.13` due to API
-  changes.
+  changes. In particular, `getRelatedReferences` has changed to
+  `getWithRelationship` and `getWithRelationships`.
+  [#34](https://github.com/OpenAssetIO/OpenAssetIO-Manager-BAL/issues/34)
+  [#42](https://github.com/OpenAssetIO/OpenAssetIO-Manager-BAL/issues/42)
+  [#47](https://github.com/OpenAssetIO/OpenAssetIO-Manager-BAL/issues/47)
 
 - Refactored error handling. `BatchElementError` messages have been
   reformatted when a referenced entity is missing from the library.