diff --git a/CHANGELOG.md b/CHANGELOG.md
index a647bf8..69a425a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,3 +4,13 @@
 - AB Testing.
 - Feature Flag.
 - Percentage RollOut.
+
+# 1.1.0+2
+
+- Migrated to dart 2.17.2.
+- fix: Data parsing problem.
+- Moved to json-serializable from manual one.
+- Removed dependency: Enhanced Enum.
+- fix: String comparison assessment.
+- Added new test cases for string comparison.
+- Changed `attr` type for `evaluateCondition`.
diff --git a/README.md b/README.md
index 2f85d6e..d7839fa 100644
--- a/README.md
+++ b/README.md
@@ -163,19 +163,6 @@ class GBFeature {
 
   ///  The default value (should use null if not specified)
   dynamic defaultValue;
-
-  factory GBFeature.fromMap(Map<String, dynamic> dataMap) {
-    return GBFeature(
-      rules: dataMap['rules'] != null
-          ? List<GBFeatureRule>.from(
-              (dataMap['rules'] as List).map(
-                (e) => GBFeatureRule.fromMap(e),
-              ),
-            )
-          : null,
-      defaultValue: dataMap["defaultValue"],
-    );
-  }
 }
 
 
@@ -216,43 +203,21 @@ class GBFeatureRule {
 
   /// What user attribute should be used to assign variations (defaults to id)
   String? hashAttribute;
-
-  factory GBFeatureRule.fromMap(Map<String, dynamic> mappedData) {
-    return GBFeatureRule(
-      nameSpace: mappedData['namespace'],
-      condition: mappedData['condition'],
-      coverage: (mappedData['coverage'] as num?)?.toDouble(),
-      variations: mappedData['variations'] != null
-          ? List<dynamic>.from(mappedData['variations'].map((e) => e))
-          : null,
-      key: mappedData['key'],
-      weights: mappedData['weights'] != null
-          ? List<double>.from(mappedData['weights'])
-          : null,
-      force: mappedData['force'],
-      hashAttribute: mappedData["hashAttribute"],
-    );
-  }
 }
 
 
 /// Enum For defining feature value source.
-@EnhancedEnum()
 enum GBFeatureSource {
   /// Queried Feature doesn't exist in GrowthBook.
-  @EnhancedEnumValue(name: 'unknownFeature')
   unknownFeature,
 
   /// Default Value for the Feature is being processed.
-  @EnhancedEnumValue(name: 'defaultValue')
   defaultValue,
 
   /// Forced Value for the Feature is being processed.
-  @EnhancedEnumValue(name: 'force')
   force,
 
   /// Experiment Value for the Feature is being processed.
-  @EnhancedEnumValue(name: 'experiment')
   experiment
 }
 
diff --git a/example/pubspec.lock b/example/pubspec.lock
index ed390a2..16d5314 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -164,7 +164,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.0.0+1"
+    version: "1.1.0+2"
   http_parser:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 415ad4f..901cfd8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: growthbook_sdk_flutter
 description: GrowthBook SDK for flutter.
-version: 1.0.0+1
+version: 1.1.0+2
 homepage: https://github.com/alippo-com/GrowthBook-SDK-Flutter
 
 environment: