diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 2fdf907..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.pubignore b/.pubignore
new file mode 100644
index 0000000..34bee9c
--- /dev/null
+++ b/.pubignore
@@ -0,0 +1,6 @@
+# Exclude from published package (see https://dart.dev/go/pubignore).
+.DS_Store
+test/.DS_Store
+test/mock/.DS_Store
+coverage/
+coverage_badge.svg
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b68236..e978e5f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,12 +4,18 @@
 
 #### Documentation
 
+## 2.0.1
+
 - Add deprecation notice and migration guidance to the Content Delivery API. See [DEPRECATION.md](DEPRECATION.md).
 
-## v1.1.1
+## 2.0.0
 
+- Dart 3 compatible (SDK `>=2.12.0 <4.0.0`)
+- Improved error messages and publish workflow
+- Test fixes and mock data for supercharged/GQL tests
 - Improved error messages
-___________________
+
+---
 
 ## v1.1.0
 
@@ -18,14 +24,16 @@ Implemented SRTE functions: :tada:
 - Utils.jsonToHtml()
 - GQL.jsonToHtml()
 
-___________________
+---
 
 ## v1.0.0
 
 :tada: Initial release :tada:
-___________________
+
+---
 
 ## v0.1.0
 
 :construction: contentstack-utils beta :construction:
-___________________
+
+---
diff --git a/lib/src/helper/Automate.dart b/lib/src/helper/Automate.dart
index 09e4a42..52d4378 100644
--- a/lib/src/helper/Automate.dart
+++ b/lib/src/helper/Automate.dart
@@ -63,9 +63,7 @@ class Automate {
       if (availableKeys.length == 1) {
         var varContent = entry[key];
         if (varContent is String || varContent is List || varContent is Map) {
-          if (callback != null) {
-            entry[key] = callback(varContent);
-          }
+          entry[key] = callback(varContent);
         }
       } else {
         availableKeys.remove(key);
diff --git a/pubspec.yaml b/pubspec.yaml
index cca5f5f..6639a8b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: contentstack_utils
 description: Utils package for Contentstack-dart
-version: 1.1.1
+version: 2.0.1
 homepage: https://www.contentstack.com
 
 environment:
@@ -17,4 +17,3 @@ dev_dependencies:
   lints: ^2.0.0
   test: ^1.24.0
   # test_coverage: ^0.4.1
-  
\ No newline at end of file
diff --git a/test/.DS_Store b/test/.DS_Store
deleted file mode 100644
index 910c33b..0000000
Binary files a/test/.DS_Store and /dev/null differ
diff --git a/test/mock/.DS_Store b/test/mock/.DS_Store
deleted file mode 100644
index c8beb82..0000000
Binary files a/test/mock/.DS_Store and /dev/null differ