diff --git a/release-notes/CREDITS-2.x b/release-notes/CREDITS-2.x
index 8efe3f38..d2b9c089 100644
--- a/release-notes/CREDITS-2.x
+++ b/release-notes/CREDITS-2.x
@@ -16,6 +16,9 @@ Authors:
 Contributors:
 
 # 2.18.0 (not yet released)
+
+WrongWrong (@k163377)
+* #817: Fixed nullability of convertValue function argument
 * #782: Organize deprecated contents
 * #542: Remove meaningless checks and properties in KNAI
 
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index 4197de12..dd7fa587 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -18,6 +18,7 @@ Co-maintainers:
 
 2.18.0 (not yet released)
 
+#817: The convertValue extension function now accepts null
 #803: Kotlin has been upgraded to 1.8.10.
   The reason 1.8.22 is not used is to avoid KT-65156.
 #782: Content marked as deprecated has been reorganized.