[bugfix] Slightly modified and implemented Andrey Timofeev's fix for new IndexOutOfRangeException

UnityCompatibilityTests.Unity35/Assets/Demigiant/DOTween/DOTween.XML

@@ -356,6 +356,7 @@
             <summary>
             Checks all active tweens to find and remove eventually invalid ones (usually because their targets became NULL)
             and returns the total number of invalid tweens found and removed.
+            IMPORTANT: this will cause an error on UWP platform, so don't use it there 
             BEWARE: this is a slightly expensive operation so use it with care
             </summary>
         </member>

UnityTests.Unity4/Assets/Demigiant/DOTween/DOTween.XML

@@ -356,6 +356,7 @@
             <summary>
             Checks all active tweens to find and remove eventually invalid ones (usually because their targets became NULL)
             and returns the total number of invalid tweens found and removed.
+            IMPORTANT: this will cause an error on UWP platform, so don't use it there 
             BEWARE: this is a slightly expensive operation so use it with care
             </summary>
         </member>

UnityTests.Unity5/Assets/Demigiant/DOTween/DOTween.XML

@@ -356,6 +356,7 @@
             <summary>
             Checks all active tweens to find and remove eventually invalid ones (usually because their targets became NULL)
             and returns the total number of invalid tweens found and removed.
+            IMPORTANT: this will cause an error on UWP platform, so don't use it there 
             BEWARE: this is a slightly expensive operation so use it with care
             </summary>
         </member>

UnityTests.Unity5/Assets/_Tests/TempTests.cs

@@ -11,8 +11,34 @@ using UnityEngine.UI;
 
 public class TempTests : BrainBase
 {
-    public void OnComplete()
+    private int killCounter = 0;
+
+    private void Awake()
     {
-        Debug.Log("ON COMPLETE");
+        DOTween.Init(true, true, LogBehaviour.Verbose);
+        DOTween.SetTweensCapacity(200, 125);
+    }
+
+    private void Start()
+    {
+        const float Delay = 2;
+        DOTween.Sequence().AppendInterval(Delay).OnKill(OnKill);
+        DOTween.Sequence().AppendInterval(Delay).OnKill(OnKill);
+    }
+
+    private void OnKill()
+    {
+        if (++killCounter == 2)
+            StartCoroutine(Coroutine());
+    }
+
+    private IEnumerator Coroutine()
+    {
+        Sequence sequence = DOTween.Sequence().AppendInterval(2).OnKill(() => { });
+
+        yield return new WaitForSeconds(1);
+
+        Debug.Log("sequence.Kill()");
+        sequence.Kill(); // IndexOutOfRangeException
     }
 }

UnityTests.Unity5/ProjectSettings/ProjectVersion.txt

@@ -1,2 +1,2 @@
-m_EditorVersion: 5.4.0f3
+m_EditorVersion: 5.4.1f1
 m_StandardAssetsVersion: 0

_DOTween.Assembly/DOTween/Core/TweenManager.cs

@@ -319,9 +319,7 @@ namespace DG.Tweening.Core
             }
             // Kill all eventually marked tweens
             if (totInvalid > 0) {
-                DespawnTweens(_KillList, false);
-                int count = _KillList.Count - 1;
-                for (int i = count; i > -1; --i) RemoveActiveTween(_KillList[i]);
+                DespawnActiveTweens(_KillList);
                 _KillList.Clear();
             }
             return totInvalid;
@@ -413,9 +411,7 @@ namespace DG.Tweening.Core
                     // Do not despawn tweens again, since Kill/DespawnAll was already called
                     _despawnAllCalledFromUpdateLoopCallback = false;
                 } else {
-                    DespawnTweens(_KillList, false);
-                    int count = _KillList.Count - 1;
-                    for (int i = count; i > -1; --i) RemoveActiveTween(_KillList[i]);
+                    DespawnActiveTweens(_KillList);
                 }
                 _KillList.Clear();
             }
@@ -833,10 +829,10 @@ namespace DG.Tweening.Core
             _reorganizeFromId = -1;
         }
 
-        static void DespawnTweens(List<Tween> tweens, bool modifyActiveLists = true)
+        static void DespawnActiveTweens(List<Tween> tweens)
         {
-            int count = tweens.Count;
-            for (int i = 0; i < count; ++i) Despawn(tweens[i], modifyActiveLists);
+            int count = tweens.Count - 1;
+            for (int i = count; i > -1; --i) Despawn(tweens[i]);
         }
 
         // Removes a tween from the active list, reorganizes said list

_DOTween.Assembly/DOTween/DOTween.cs

@@ -32,7 +32,7 @@ namespace DG.Tweening
     public class DOTween
     {
         /// <summary>DOTween's version</summary>
-        public static readonly string Version = "1.1.330";
+        public static readonly string Version = "1.1.340";
 
         ///////////////////////////////////////////////
         // Options ////////////////////////////////////

_DOTween.Assembly/bin/DOTween.XML

@@ -356,6 +356,7 @@
             <summary>
             Checks all active tweens to find and remove eventually invalid ones (usually because their targets became NULL)
             and returns the total number of invalid tweens found and removed.
+            IMPORTANT: this will cause an error on UWP platform, so don't use it there 
             BEWARE: this is a slightly expensive operation so use it with care
             </summary>
         </member>