Add changelog record

gmazoyer · gmazoyer · commit cc3fc4ca6fea · 2025-08-27T15:41:52.000+02:00
diff --git a/changelog/479.fixed.md b/changelog/479.fixed.md
@@ -0,0 +1 @@
+Allow unsetting optional relationship of cardinality one by setting its value to `None`

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Allow unsetting optional relationship of cardinality one by setting its value to `None`