CHANGELOG.md in node_mutation-1.12.0 vs CHANGELOG.md in node_mutation-1.12.1

@@ -1,6 +1,10 @@
 # NodeMutation
 
+## 1.12.1 (2023-03-23)
+
+* Define `Action`, `Location` and `Range` in `NodeMutation::Struct`
+
 ## 1.12.0 (2023-03-23)
 
 * Support `{key}_pair` for a `hash` node
 
 ## 1.11.0 (2023-03-20)