diff --git a/README.md b/README.md
index 21096309..a3d4a64e 100644
--- a/README.md
+++ b/README.md
@@ -37,16 +37,9 @@ Branch: `master`
 
 * Dart version : 2.12.x and above.
 * Publish      : Yes. Refer to packages with `angel3_` prefix on [pub.dev](https://pub.dev/publishers/dukefirehawk.com/packages).
-* NNBD Support : Yes
-* Status       : Release
-* Notes        : Use this for PR
-
-Branch: `angel3`
-
-* Dart version : 2.12.x and above.
-* NNBD Support : Yes
-* Status       : Development
-* Notes        : This branch is under active development. Features maybe broken from time to time.
+* Null Safety  : Yes
+* Status       : Production
+* Notes        : Use this branch for all PR submission
 
 For more details, checkout [Project Status](https://github.com/dukefirehawk/angel/wiki/Project-Status)
 
diff --git a/packages/framework/CHANGELOG.md b/packages/framework/CHANGELOG.md
index 33cc0c4d..ebedface 100644
--- a/packages/framework/CHANGELOG.md
+++ b/packages/framework/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## 4.2.3
+
+* Fixed `res.json()` throwing bad state exception
+
 ## 4.2.2
 
 * Added `Date` to response header
diff --git a/packages/framework/lib/src/core/response_context.dart b/packages/framework/lib/src/core/response_context.dart
index a62f0ed7..2fb2aa0c 100644
--- a/packages/framework/lib/src/core/response_context.dart
+++ b/packages/framework/lib/src/core/response_context.dart
@@ -170,7 +170,7 @@ abstract class ResponseContext<RawResponse>
 
   /// Serializes JSON to the response.
   Future<bool> json(value) =>
-      this.serialize(value, contentType: MediaType('application', 'json'));
+      serialize(value, contentType: MediaType('application', 'json'));
 
   /// Returns a JSONP response.
   ///
diff --git a/packages/framework/pubspec.yaml b/packages/framework/pubspec.yaml
index bfd8739b..9b3e1588 100644
--- a/packages/framework/pubspec.yaml
+++ b/packages/framework/pubspec.yaml
@@ -1,5 +1,5 @@
 name: angel3_framework
-version: 4.2.2
+version: 4.2.3
 description: A high-powered HTTP server extensible framework with dependency injection, routing and much more.
 homepage: https://angel3-framework.web.app/
 repository: https://github.com/dukefirehawk/angel/tree/master/packages/framework