Update the changelog for type changes (#1548)

stof · web-flow · commit 7629f0b6d1a8 · 2023-08-09T12:31:49.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Changed
+
+- Allow passing explicit null values for optional fields of input objects
+
 ## 1.5.0
 
 ### Added
