Version 5.1.1

Assets/Adjust/Native/iOS/AdjustUnity.mm

@@ -372,12 +372,13 @@ void _AdjustGetAttribution(AdjustDelegateAttributionGetter callback) {
             addValueOrEmpty(dictionary, @"costType", attribution.costType);
             addValueOrEmpty(dictionary, @"costAmount", attribution.costAmount);
             addValueOrEmpty(dictionary, @"costCurrency", attribution.costCurrency);
-
-            NSData *jsonData = [NSJSONSerialization dataWithJSONObject:attribution.jsonResponse 
-                                                               options:0
-                                                                 error:nil];
-            NSString *strJsonResponse = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
-            addValueOrEmpty(dictionary, @"jsonResponse", strJsonResponse);
+            if (attribution.jsonResponse != nil) {
+                NSData *jsonData = [NSJSONSerialization dataWithJSONObject:attribution.jsonResponse 
+                                                                   options:0
+                                                                     error:nil];
+                NSString *strJsonResponse = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
+                addValueOrEmpty(dictionary, @"jsonResponse", strJsonResponse);
+            }
 
             NSData *dataAttribution = [NSJSONSerialization dataWithJSONObject:dictionary
                                                                       options:0

Assets/Adjust/Native/iOS/AdjustUnityDelegate.mm

@@ -124,13 +124,15 @@ - (void)adjustAttributionChangedWannabe:(ADJAttribution *)attribution {
                    forKey:@"costCurrency"
              toDictionary:dictionary];
 
-    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:attribution.jsonResponse 
-                                                       options:0
-                                                         error:nil];
-    NSString *strJsonResponse = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
-    [self addValueOrEmpty:strJsonResponse
-                   forKey:@"jsonResponse"
-             toDictionary:dictionary];
+    if (attribution.jsonResponse != nil) {
+        NSData *jsonData = [NSJSONSerialization dataWithJSONObject:attribution.jsonResponse 
+                                                           options:0
+                                                             error:nil];
+        NSString *strJsonResponse = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
+        [self addValueOrEmpty:strJsonResponse
+                       forKey:@"jsonResponse"
+                 toDictionary:dictionary];
+    }
 
     NSData *dataAttribution = [NSJSONSerialization dataWithJSONObject:dictionary
                                                               options:0

Assets/Adjust/Scripts/AdjustAndroid.cs

@@ -8,7 +8,7 @@ namespace AdjustSdk
 #if UNITY_ANDROID
     public class AdjustAndroid
     {
-        private const string sdkPrefix = "unity5.1.0";
+        private const string sdkPrefix = "unity5.1.1";
         private static bool isDeferredDeeplinkOpeningEnabled = true;
         private static AndroidJavaClass ajcAdjust = new AndroidJavaClass("com.adjust.sdk.Adjust");
         private static AndroidJavaObject ajoCurrentActivity = new AndroidJavaClass("com.unity3d.player.UnityPlayer").GetStatic<AndroidJavaObject>("currentActivity");

Assets/Adjust/Scripts/AdjustiOS.cs

@@ -8,7 +8,7 @@ namespace AdjustSdk
 #if UNITY_IOS
     public class AdjustiOS
     {
-        private const string sdkPrefix = "unity5.1.0";
+        private const string sdkPrefix = "unity5.1.1";
 
         // app callbacks as method parameters
         private static List<Action<bool>> appIsEnabledGetterCallbacks;

Assets/Adjust/package.json

@@ -1,6 +1,6 @@
 {
     "name": "com.adjust.sdk",
-    "version": "5.1.0",
+    "version": "5.1.1",
     "unity": "2019.4",
     "displayName": "Adjust",
     "license": "MIT",

CHANGELOG.md

@@ -1,3 +1,13 @@
+### Version 5.1.1 (March 5th 2025)
+#### Fixed
+- Added missing null checks for native `jsonResponse` fields (https://github.com/adjust/flutter_sdk/pull/160).
+
+#### Native SDKs
+- [iOS@v5.1.1][ios_sdk_v5.1.1]
+- [Android@v5.1.0][android_sdk_v5.1.0]
+
+---
+
 ### Version 5.1.0 (28th February 2025)
 #### Added
 - Added `JsonResponse` to `AdjustAttribution` where every key-value pair sent by the backend as part of the attribution response can be found.

VERSION

@@ -1 +1 @@
-5.1.0
+5.1.1