CHANGELOG.md in dry-schema-1.4.0 vs CHANGELOG.md in dry-schema-1.4.1

@@ -1,5 +1,13 @@
+# 1.4.1 2019-10-08
+
+### Fixed
+
+- Child schemas no longer mutate processing steps of their parent classes (@skryukov)
+
+[Compare v1.4.0...v1.4.1](https://github.com/dry-rb/dry-schema/compare/v1.4.0...v1.4.1)
+
 # 1.4.0 2019-10-08
 
 ### Added
 
 - Support for passing multiple parent schemas. They are inherited from left to right (@ianwhite)
@@ -10,9 +18,20 @@
 	end
 	```
 
 - Improved error messages about missing translations (@skryukov)
 - [experimental] before/after callbacks for schema steps (@skryukov)
+
+  ```ruby
+  Dry::Schema.Params do
+    required(:name).value(:string)
+    optional(:age).value(:integer)
+
+    before(:value_coercer) do |result|
+      result.to_h.compact
+    end
+  end
+  ```
 
 ### Fixed
 
 - Added/fixed support for custom optional types (@flash-gordon)