Update changelog

Author: kevmoo

CHANGELOG.md

@@ -1,7 +1,12 @@
-## 0.1.1
+## 0.2.0
 
-* Fail generation when undefined types are encountered.
-  Throw a helpful error.
+* **BREAKING** Fail generation for types that are not a JSON primitive or that
+  do not explicitly supports JSON serialization. 
+   
+* Eliminated all implicit casts in generated code. These would end up being
+  runtime checks in most cases.
+
+* Provide a helpful error when generation fails due to undefined types.
 
 ## 0.1.0+1
 
@@ -10,7 +15,11 @@
 ## 0.1.0
 
 * Split off from [source_gen](https://pub.dartlang.org/packages/source_gen).
+
 * Add `/* unsafe */` comments to generated output likely to be unsafe.
+
 * Support (de)serializing values in `Map`.
+
 * Fix ordering of fields when they are initialized via constructor.
+
 * Don't use static members when calculating fields to (de)serialize.

pubspec.yaml

@@ -1,5 +1,5 @@
 name: json_serializable
-version: 0.1.1-dev
+version: 0.2.0-dev
 author: Dart Team <misc@dartlang.org>
 description: Generates utilities to aid in serializing to/from JSON.
 homepage: https://github.com/dart-lang/json_serializable