CHANGELOG.md in schemacop-2.4.6 vs CHANGELOG.md in schemacop-2.4.7

@@ -8,9 +8,14 @@
 ### Bug fixes
 
 ### Changes
 -->
 
+## 2.4.7 (2020-07-02)
+
+* Return nil when casting an empty string to an Integer or a Float,
+  such that these cases can then be handled by the `opt` or `req`.
+
 ## 2.4.6 (2020-06-29)
 
 * Use basis 10 (decimal system) when casting a `String` to an `Integer`
 
 ## 2.4.5 (2020-05-13)