diff --git a/sandbox/BlazorApp/BlazorApp.csproj b/sandbox/BlazorApp/BlazorApp.csproj
index e5eafff..74041af 100644
--- a/sandbox/BlazorApp/BlazorApp.csproj
+++ b/sandbox/BlazorApp/BlazorApp.csproj
@@ -1,11 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
-  <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
-  </PropertyGroup>
+    <PropertyGroup>
+        <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+    </PropertyGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\..\src\ObservableCollections\ObservableCollections.csproj" />
-  </ItemGroup>
+    <ItemGroup>
+        <ProjectReference Include="..\..\src\ObservableCollections\ObservableCollections.csproj" />
+    </ItemGroup>
 
 </Project>
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ISynchronizedViewFilter.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ISynchronizedViewFilter.cs
index 186eb1d..a33b6f4 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ISynchronizedViewFilter.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ISynchronizedViewFilter.cs
@@ -7,7 +7,7 @@ namespace ObservableCollections
         bool IsMatch(T value, TView view);
         void WhenTrue(T value, TView view);
         void WhenFalse(T value, TView view);
-        void OnCollectionChanged(ChangedKind changedKind, T value, TView view);
+        void OnCollectionChanged(ChangedKind changedKind, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs);
     }
 
     public enum ChangedKind
@@ -35,14 +35,14 @@ namespace ObservableCollections
         public bool IsMatch(T value, TView view) => isMatch(value, view);
         public void WhenFalse(T value, TView view) => whenFalse?.Invoke(value, view);
         public void WhenTrue(T value, TView view) => whenTrue?.Invoke(value, view);
-        public void OnCollectionChanged(ChangedKind changedKind, T value, TView view) => onCollectionChanged?.Invoke(changedKind, value, view);
+        public void OnCollectionChanged(ChangedKind changedKind, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs) => onCollectionChanged?.Invoke(changedKind, value, view);
 
         class NullViewFilter : ISynchronizedViewFilter<T, TView>
         {
             public bool IsMatch(T value, TView view) => true;
             public void WhenFalse(T value, TView view) { }
             public void WhenTrue(T value, TView view) { }
-            public void OnCollectionChanged(ChangedKind changedKind, T value, TView view) { }
+            public void OnCollectionChanged(ChangedKind changedKind, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs) { }
         }
     }
 
@@ -68,12 +68,12 @@ namespace ObservableCollections
             return filter == SynchronizedViewFilter<T, TView>.Null;
         }
 
-        internal static void InvokeOnAdd<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value)
+        internal static void InvokeOnAdd<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            InvokeOnAdd(filter, value.value, value.view);
+            InvokeOnAdd(filter, value.value, value.view, eventArgs);
         }
 
-        internal static void InvokeOnAdd<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view)
+        internal static void InvokeOnAdd<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
             if (filter.IsMatch(value, view))
             {
@@ -83,27 +83,27 @@ namespace ObservableCollections
             {
                 filter.WhenFalse(value, view);
             }
-            filter.OnCollectionChanged(ChangedKind.Add, value, view);
+            filter.OnCollectionChanged(ChangedKind.Add, value, view, eventArgs);
         }
 
-        internal static void InvokeOnRemove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value)
+        internal static void InvokeOnRemove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            InvokeOnRemove(filter, value.value, value.view);
+            InvokeOnRemove(filter, value.value, value.view, eventArgs);
         }
 
-        internal static void InvokeOnRemove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view)
+        internal static void InvokeOnRemove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            filter.OnCollectionChanged(ChangedKind.Remove, value, view);
+            filter.OnCollectionChanged(ChangedKind.Remove, value, view, eventArgs);
         }
 
-        internal static void InvokeOnMove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value)
+        internal static void InvokeOnMove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            InvokeOnMove(filter, value.value, value.view);
+            InvokeOnMove(filter, value.value, value.view, eventArgs);
         }
 
-        internal static void InvokeOnMove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view)
+        internal static void InvokeOnMove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            filter.OnCollectionChanged(ChangedKind.Move, value, view);
+            filter.OnCollectionChanged(ChangedKind.Move, value, view, eventArgs);
         }
 
         internal static void InvokeOnAttach<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view)
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/CloneCollection.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/CloneCollection.cs
index 43bd988..0c830f6 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/CloneCollection.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/CloneCollection.cs
@@ -3,6 +3,7 @@ using System.Buffers;
 using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
+using System.Linq;
 
 namespace ObservableCollections.Internal
 {
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedView.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedView.cs
index d0ca75c..43b8a98 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedView.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedView.cs
@@ -122,7 +122,7 @@ namespace ObservableCollections.Internal
                                 var view = transform(value);
                                 var id = identitySelector(value);
                                 dict.Add((value, id), (value, view));
-                                filter.InvokeOnAdd(value, view);
+                                filter.InvokeOnAdd(value, view, e);
                             }
                             else
                             {
@@ -131,7 +131,7 @@ namespace ObservableCollections.Internal
                                     var view = transform(value);
                                     var id = identitySelector(value);
                                     dict.Add((value, id), (value, view));
-                                    filter.InvokeOnAdd(value, view);
+                                    filter.InvokeOnAdd(value, view, e);
                                 }
                             }
                         }
@@ -143,7 +143,7 @@ namespace ObservableCollections.Internal
                                 var value = e.OldItem;
                                 var id = identitySelector(value);
                                 dict.Remove((value, id), out var v);
-                                filter.InvokeOnRemove(v.Value, v.View);
+                                filter.InvokeOnRemove(v.Value, v.View, e);
                             }
                             else
                             {
@@ -151,7 +151,7 @@ namespace ObservableCollections.Internal
                                 {
                                     var id = identitySelector(value);
                                     dict.Remove((value, id), out var v);
-                                    filter.InvokeOnRemove(v.Value, v.View);
+                                    filter.InvokeOnRemove(v.Value, v.View, e);
                                 }
                             }
                         }
@@ -168,8 +168,8 @@ namespace ObservableCollections.Internal
                             var id = identitySelector(value);
                             dict.Add((value, id), (value, view));
 
-                            filter.InvokeOnRemove(oldView);
-                            filter.InvokeOnAdd(value, view);
+                            filter.InvokeOnRemove(oldView, e);
+                            filter.InvokeOnAdd(value, view, e);
                         }
                         break;
                     case NotifyCollectionChangedAction.Move:
@@ -178,7 +178,7 @@ namespace ObservableCollections.Internal
                             var oldValue = e.OldItem;
                             if (dict.TryGetValue((oldValue, identitySelector(oldValue)), out var view))
                             {
-                                filter.InvokeOnMove(view);
+                                filter.InvokeOnMove(view, e);
                             }
                         }
                         break;
@@ -187,7 +187,7 @@ namespace ObservableCollections.Internal
                         {
                             foreach (var item in dict)
                             {
-                                filter.InvokeOnRemove(item.Value);
+                                filter.InvokeOnRemove(item.Value, e);
                             }
                         }
                         dict.Clear();
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedViewViewComparer.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedViewViewComparer.cs
index c543490..35b75cd 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedViewViewComparer.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedViewViewComparer.cs
@@ -128,7 +128,7 @@ namespace ObservableCollections.Internal
                                 var id = identitySelector(value);
                                 dict.Add((view, id), (value, view));
                                 viewMap.Add(id, view);
-                                filter.InvokeOnAdd(value, view);
+                                filter.InvokeOnAdd(value, view, e);
                             }
                             else
                             {
@@ -138,7 +138,7 @@ namespace ObservableCollections.Internal
                                     var id = identitySelector(value);
                                     dict.Add((view, id), (value, view));
                                     viewMap.Add(id, view);
-                                    filter.InvokeOnAdd(value, view);
+                                    filter.InvokeOnAdd(value, view, e);
                                 }
                             }
                         }
@@ -152,7 +152,7 @@ namespace ObservableCollections.Internal
                                 if (viewMap.Remove(id, out var view))
                                 {
                                     dict.Remove((view, id), out var v);
-                                    filter.InvokeOnRemove(v);
+                                    filter.InvokeOnRemove(v, e);
                                 }
                             }
                             else
@@ -163,7 +163,7 @@ namespace ObservableCollections.Internal
                                     if (viewMap.Remove(id, out var view))
                                     {
                                         dict.Remove((view, id), out var v);
-                                        filter.InvokeOnRemove(v);
+                                        filter.InvokeOnRemove(v, e);
                                     }
                                 }
                             }
@@ -177,7 +177,7 @@ namespace ObservableCollections.Internal
                             if (viewMap.Remove(oldKey, out var oldView))
                             {
                                 dict.Remove((oldView, oldKey));
-                                filter.InvokeOnRemove(oldValue, oldView);
+                                filter.InvokeOnRemove(oldValue, oldView, e);
                             }
 
                             var value = e.NewItem;
@@ -186,7 +186,7 @@ namespace ObservableCollections.Internal
                             dict.Add((view, id), (value, view));
                             viewMap.Add(id, view);
 
-                            filter.InvokeOnAdd(value, view);
+                            filter.InvokeOnAdd(value, view, e);
                         }
                         break;
                     case NotifyCollectionChangedAction.Move:
@@ -196,7 +196,7 @@ namespace ObservableCollections.Internal
                             var key = identitySelector(value);
                             if (viewMap.TryGetValue(key, out var view))
                             {
-                                filter.InvokeOnMove(value, view);
+                                filter.InvokeOnMove(value, view, e);
                             }
                         }
                         break;
@@ -205,7 +205,7 @@ namespace ObservableCollections.Internal
                         {
                             foreach (var item in dict)
                             {
-                                filter.InvokeOnRemove(item.Value);
+                                filter.InvokeOnRemove(item.Value, e);
                             }
                         }
                         dict.Clear();
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableDictionary.Views.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableDictionary.Views.cs
index 96e6b8e..e3c63ef 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableDictionary.Views.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableDictionary.Views.cs
@@ -121,14 +121,14 @@ namespace ObservableCollections
                             {
                                 var v = selector(e.NewItem);
                                 dict.Add(e.NewItem.Key, (e.NewItem.Value, v));
-                                filter.InvokeOnAdd(new KeyValuePair<TKey, TValue>(e.NewItem.Key, e.NewItem.Value), v);
+                                filter.InvokeOnAdd(new KeyValuePair<TKey, TValue>(e.NewItem.Key, e.NewItem.Value), v, e);
                             }
                             break;
                         case NotifyCollectionChangedAction.Remove:
                             {
                                 if (dict.Remove(e.OldItem.Key, out var v))
                                 {
-                                    filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(e.OldItem.Key, v.Item1), v.Item2));
+                                    filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(e.OldItem.Key, v.Item1), v.Item2), e);
                                 }
                             }
                             break;
@@ -136,12 +136,12 @@ namespace ObservableCollections
                             {
                                 if (dict.Remove(e.OldItem.Key, out var oldView))
                                 {
-                                    filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(e.OldItem.Key, oldView.Item1), oldView.Item2));
+                                    filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(e.OldItem.Key, oldView.Item1), oldView.Item2), e);
                                 }
 
                                 var v = selector(e.NewItem);
                                 dict[e.NewItem.Key] = (e.NewItem.Value, v);
-                                filter.InvokeOnAdd(new KeyValuePair<TKey, TValue>(e.NewItem.Key, e.NewItem.Value), v);
+                                filter.InvokeOnAdd(new KeyValuePair<TKey, TValue>(e.NewItem.Key, e.NewItem.Value), v, e);
                             }
                             break;
                         case NotifyCollectionChangedAction.Reset:
@@ -150,7 +150,7 @@ namespace ObservableCollections
                                 {
                                     foreach (var item in dict)
                                     {
-                                        filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(item.Key, item.Value.Item1), item.Value.Item2));
+                                        filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(item.Key, item.Value.Item1), item.Value.Item2), e);
                                     }
                                 }
 
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableHashSet.Views.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableHashSet.Views.cs
index cc215b2..8b18997 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableHashSet.Views.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableHashSet.Views.cs
@@ -118,7 +118,7 @@ namespace ObservableCollections
                             {
                                 var v = (e.NewItem, selector(e.NewItem));
                                 dict.Add(e.NewItem, v);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnAdd(v, e);
                             }
                             else
                             {
@@ -126,7 +126,7 @@ namespace ObservableCollections
                                 {
                                     var v = (item, selector(item));
                                     dict.Add(item, v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                             }
                             break;
@@ -135,7 +135,7 @@ namespace ObservableCollections
                             {
                                 if (dict.Remove(e.OldItem, out var value))
                                 {
-                                    filter.InvokeOnRemove(value.Item1, value.Item2);
+                                    filter.InvokeOnRemove(value.Item1, value.Item2, e);
                                 }
                             }
                             else
@@ -144,7 +144,7 @@ namespace ObservableCollections
                                 {
                                     if (dict.Remove(item, out var value))
                                     {
-                                        filter.InvokeOnRemove(value.Item1, value.Item2);
+                                        filter.InvokeOnRemove(value.Item1, value.Item2, e);
                                     }
                                 }
                             }
@@ -154,7 +154,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in dict)
                                 {
-                                    filter.InvokeOnRemove(item.Value);
+                                    filter.InvokeOnRemove(item.Value, e);
                                 }
                             }
                             dict.Clear();
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableHashSet.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableHashSet.cs
index 328dfdb..d498ae7 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableHashSet.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableHashSet.cs
@@ -3,6 +3,7 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
+using System.Linq;
 
 namespace ObservableCollections
 {
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableList.Views.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableList.Views.cs
index 28e005c..69b832d 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableList.Views.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableList.Views.cs
@@ -136,7 +136,7 @@ namespace ObservableCollections
                                 {
                                     var v = (e.NewItem, selector(e.NewItem));
                                     list.Add(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                                 else
                                 {
@@ -144,7 +144,7 @@ namespace ObservableCollections
                                     {
                                         var v = (item, selector(item));
                                         list.Add(v);
-                                        filter.InvokeOnAdd(v);
+                                        filter.InvokeOnAdd(v, e);
                                     }
                                 }
                             }
@@ -155,7 +155,7 @@ namespace ObservableCollections
                                 {
                                     var v = (e.NewItem, selector(e.NewItem));
                                     list.Insert(e.NewStartingIndex, v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                                 else
                                 {
@@ -166,7 +166,7 @@ namespace ObservableCollections
                                     {
                                         var v = (span[i], selector(span[i]));
                                         newArray[i] = v;
-                                        filter.InvokeOnAdd(v);
+                                        filter.InvokeOnAdd(v, e);
                                     }
                                     list.InsertRange(e.NewStartingIndex, newArray);
                                 }
@@ -177,7 +177,7 @@ namespace ObservableCollections
                             {
                                 var v = list[e.OldStartingIndex];
                                 list.RemoveAt(e.OldStartingIndex);
-                                filter.InvokeOnRemove(v.Item1, v.Item2);
+                                filter.InvokeOnRemove(v.Item1, v.Item2, e);
                             }
                             else
                             {
@@ -185,7 +185,7 @@ namespace ObservableCollections
                                 for (int i = e.OldStartingIndex; i < len; i++)
                                 {
                                     var v = list[i];
-                                    filter.InvokeOnRemove(v.Item1, v.Item2);
+                                    filter.InvokeOnRemove(v.Item1, v.Item2, e);
                                 }
 
                                 list.RemoveRange(e.OldStartingIndex, e.OldItems.Length);
@@ -199,8 +199,8 @@ namespace ObservableCollections
                                 var oldItem = list[e.NewStartingIndex];
                                 list[e.NewStartingIndex] = v;
 
-                                filter.InvokeOnRemove(oldItem);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnRemove(oldItem, e);
+                                filter.InvokeOnAdd(v, e);
                                 break;
                             }
                         case NotifyCollectionChangedAction.Move:
@@ -209,7 +209,7 @@ namespace ObservableCollections
                                 list.RemoveAt(e.OldStartingIndex);
                                 list.Insert(e.NewStartingIndex, removeItem);
 
-                                filter.InvokeOnMove(removeItem);
+                                filter.InvokeOnMove(removeItem, e);
                             }
                             break;
                         case NotifyCollectionChangedAction.Reset:
@@ -217,7 +217,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in list)
                                 {
-                                    filter.InvokeOnRemove(item);
+                                    filter.InvokeOnRemove(item, e);
                                 }
                             }
                             list.Clear();
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableQueue.Views.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableQueue.Views.cs
index 0939e0a..92e4443 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableQueue.Views.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableQueue.Views.cs
@@ -134,7 +134,7 @@ namespace ObservableCollections
                             {
                                 var v = (e.NewItem, selector(e.NewItem));
                                 queue.Enqueue(v);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnAdd(v, e);
                             }
                             else
                             {
@@ -142,7 +142,7 @@ namespace ObservableCollections
                                 {
                                     var v = (item, selector(item));
                                     queue.Enqueue(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                             }
                             break;
@@ -151,7 +151,7 @@ namespace ObservableCollections
                             if (e.IsSingleItem)
                             {
                                 var v = queue.Dequeue();
-                                filter.InvokeOnRemove(v.Item1, v.Item2);
+                                filter.InvokeOnRemove(v.Item1, v.Item2, e);
                             }
                             else
                             {
@@ -159,7 +159,7 @@ namespace ObservableCollections
                                 for (int i = 0; i < len; i++)
                                 {
                                     var v = queue.Dequeue();
-                                    filter.InvokeOnRemove(v.Item1, v.Item2);
+                                    filter.InvokeOnRemove(v.Item1, v.Item2, e);
                                 }
                             }
                             break;
@@ -168,7 +168,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in queue)
                                 {
-                                    filter.InvokeOnRemove(item);
+                                    filter.InvokeOnRemove(item, e);
                                 }
                             }
                             queue.Clear();
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableRingBuffer.Views.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableRingBuffer.Views.cs
index af5f857..745c916 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableRingBuffer.Views.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableRingBuffer.Views.cs
@@ -141,7 +141,7 @@ namespace ObservableCollections
                                 {
                                     var v = (e.NewItem, selector(e.NewItem));
                                     ringBuffer.AddFirst(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                                 else
                                 {
@@ -149,7 +149,7 @@ namespace ObservableCollections
                                     {
                                         var v = (item, selector(item));
                                         ringBuffer.AddFirst(v);
-                                        filter.InvokeOnAdd(v);
+                                        filter.InvokeOnAdd(v, e);
                                     }
                                 }
                             }
@@ -160,7 +160,7 @@ namespace ObservableCollections
                                 {
                                     var v = (e.NewItem, selector(e.NewItem));
                                     ringBuffer.AddLast(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                                 else
                                 {
@@ -168,7 +168,7 @@ namespace ObservableCollections
                                     {
                                         var v = (item, selector(item));
                                         ringBuffer.AddLast(v);
-                                        filter.InvokeOnAdd(v);
+                                        filter.InvokeOnAdd(v, e);
                                     }
                                 }
                             }
@@ -181,14 +181,14 @@ namespace ObservableCollections
                                 if (e.IsSingleItem)
                                 {
                                     var v = ringBuffer.RemoveFirst();
-                                    filter.InvokeOnRemove(v);
+                                    filter.InvokeOnRemove(v, e);
                                 }
                                 else
                                 {
                                     for (int i = 0; i < e.OldItems.Length; i++)
                                     {
                                         var v = ringBuffer.RemoveFirst();
-                                        filter.InvokeOnRemove(v);
+                                        filter.InvokeOnRemove(v, e);
                                     }
                                 }
                             }
@@ -198,14 +198,14 @@ namespace ObservableCollections
                                 if (e.IsSingleItem)
                                 {
                                     var v = ringBuffer.RemoveLast();
-                                    filter.InvokeOnRemove(v);
+                                    filter.InvokeOnRemove(v, e);
                                 }
                                 else
                                 {
                                     for (int i = 0; i < e.OldItems.Length; i++)
                                     {
                                         var v = ringBuffer.RemoveLast();
-                                        filter.InvokeOnRemove(v);
+                                        filter.InvokeOnRemove(v, e);
                                     }
                                 }
                             }
@@ -215,7 +215,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in ringBuffer)
                                 {
-                                    filter.InvokeOnRemove(item);
+                                    filter.InvokeOnRemove(item, e);
                                 }
                             }
                             ringBuffer.Clear();
@@ -228,8 +228,8 @@ namespace ObservableCollections
                                 var oldItem = ringBuffer[e.NewStartingIndex];
                                 ringBuffer[e.NewStartingIndex] = v;
 
-                                filter.InvokeOnRemove(oldItem);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnRemove(oldItem, e);
+                                filter.InvokeOnAdd(v, e);
                                 break;
                             }
                         case NotifyCollectionChangedAction.Move:
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableStack.Views.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableStack.Views.cs
index 98157b6..9fba638 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableStack.Views.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableStack.Views.cs
@@ -134,7 +134,7 @@ namespace ObservableCollections
                             {
                                 var v = (e.NewItem, selector(e.NewItem));
                                 stack.Push(v);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnAdd(v, e);
                             }
                             else
                             {
@@ -142,7 +142,7 @@ namespace ObservableCollections
                                 {
                                     var v = (item, selector(item));
                                     stack.Push(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                             }
                             break;
@@ -151,7 +151,7 @@ namespace ObservableCollections
                             if (e.IsSingleItem)
                             {
                                 var v = stack.Pop();
-                                filter.InvokeOnRemove(v.Item1, v.Item2);
+                                filter.InvokeOnRemove(v.Item1, v.Item2, e);
                             }
                             else
                             {
@@ -159,7 +159,7 @@ namespace ObservableCollections
                                 for (int i = 0; i < len; i++)
                                 {
                                     var v = stack.Pop();
-                                    filter.InvokeOnRemove(v.Item1, v.Item2);
+                                    filter.InvokeOnRemove(v.Item1, v.Item2, e);
                                 }
                             }
                             break;
@@ -168,7 +168,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in stack)
                                 {
-                                    filter.InvokeOnRemove(item);
+                                    filter.InvokeOnRemove(item, e);
                                 }
                             }
                             stack.Clear();
diff --git a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/RingBuffer.cs b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/RingBuffer.cs
index 2b71878..51ce375 100644
--- a/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/RingBuffer.cs
+++ b/src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/RingBuffer.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
+using System.Linq;
 
 namespace ObservableCollections
 {
diff --git a/src/ObservableCollections/ISynchronizedViewFilter.cs b/src/ObservableCollections/ISynchronizedViewFilter.cs
index ebbfe37..cd0fcfb 100644
--- a/src/ObservableCollections/ISynchronizedViewFilter.cs
+++ b/src/ObservableCollections/ISynchronizedViewFilter.cs
@@ -7,7 +7,7 @@ namespace ObservableCollections
         bool IsMatch(T value, TView view);
         void WhenTrue(T value, TView view);
         void WhenFalse(T value, TView view);
-        void OnCollectionChanged(ChangedKind changedKind, T value, TView view);
+        void OnCollectionChanged(ChangedKind changedKind, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs);
     }
 
     public enum ChangedKind
@@ -35,14 +35,14 @@ namespace ObservableCollections
         public bool IsMatch(T value, TView view) => isMatch(value, view);
         public void WhenFalse(T value, TView view) => whenFalse?.Invoke(value, view);
         public void WhenTrue(T value, TView view) => whenTrue?.Invoke(value, view);
-        public void OnCollectionChanged(ChangedKind changedKind, T value, TView view) => onCollectionChanged?.Invoke(changedKind, value, view);
+        public void OnCollectionChanged(ChangedKind changedKind, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs) => onCollectionChanged?.Invoke(changedKind, value, view);
 
         class NullViewFilter : ISynchronizedViewFilter<T, TView>
         {
             public bool IsMatch(T value, TView view) => true;
             public void WhenFalse(T value, TView view) { }
             public void WhenTrue(T value, TView view) { }
-            public void OnCollectionChanged(ChangedKind changedKind, T value, TView view) { }
+            public void OnCollectionChanged(ChangedKind changedKind, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs) { }
         }
     }
 
@@ -68,12 +68,12 @@ namespace ObservableCollections
             return filter == SynchronizedViewFilter<T, TView>.Null;
         }
 
-        internal static void InvokeOnAdd<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value)
+        internal static void InvokeOnAdd<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            InvokeOnAdd(filter, value.value, value.view);
+            InvokeOnAdd(filter, value.value, value.view, eventArgs);
         }
 
-        internal static void InvokeOnAdd<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view)
+        internal static void InvokeOnAdd<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
             if (filter.IsMatch(value, view))
             {
@@ -83,27 +83,27 @@ namespace ObservableCollections
             {
                 filter.WhenFalse(value, view);
             }
-            filter.OnCollectionChanged(ChangedKind.Add, value, view);
+            filter.OnCollectionChanged(ChangedKind.Add, value, view, eventArgs);
         }
 
-        internal static void InvokeOnRemove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value)
+        internal static void InvokeOnRemove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            InvokeOnRemove(filter, value.value, value.view);
+            InvokeOnRemove(filter, value.value, value.view, eventArgs);
         }
 
-        internal static void InvokeOnRemove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view)
+        internal static void InvokeOnRemove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            filter.OnCollectionChanged(ChangedKind.Remove, value, view);
+            filter.OnCollectionChanged(ChangedKind.Remove, value, view, eventArgs);
         }
 
-        internal static void InvokeOnMove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value)
+        internal static void InvokeOnMove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, (T value, TView view) value, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            InvokeOnMove(filter, value.value, value.view);
+            InvokeOnMove(filter, value.value, value.view, eventArgs);
         }
 
-        internal static void InvokeOnMove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view)
+        internal static void InvokeOnMove<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
-            filter.OnCollectionChanged(ChangedKind.Move, value, view);
+            filter.OnCollectionChanged(ChangedKind.Move, value, view, eventArgs);
         }
 
         internal static void InvokeOnAttach<T, TView>(this ISynchronizedViewFilter<T, TView> filter, T value, TView view)
diff --git a/src/ObservableCollections/Internal/CloneCollection.cs b/src/ObservableCollections/Internal/CloneCollection.cs
index fb72d60..7f3b5cc 100644
--- a/src/ObservableCollections/Internal/CloneCollection.cs
+++ b/src/ObservableCollections/Internal/CloneCollection.cs
@@ -3,6 +3,7 @@ using System.Buffers;
 using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
+using System.Linq;
 
 namespace ObservableCollections.Internal
 {
diff --git a/src/ObservableCollections/Internal/SortedView.cs b/src/ObservableCollections/Internal/SortedView.cs
index 9dce18a..0411985 100644
--- a/src/ObservableCollections/Internal/SortedView.cs
+++ b/src/ObservableCollections/Internal/SortedView.cs
@@ -122,7 +122,7 @@ namespace ObservableCollections.Internal
                                 var view = transform(value);
                                 var id = identitySelector(value);
                                 dict.Add((value, id), (value, view));
-                                filter.InvokeOnAdd(value, view);
+                                filter.InvokeOnAdd(value, view, e);
                             }
                             else
                             {
@@ -131,7 +131,7 @@ namespace ObservableCollections.Internal
                                     var view = transform(value);
                                     var id = identitySelector(value);
                                     dict.Add((value, id), (value, view));
-                                    filter.InvokeOnAdd(value, view);
+                                    filter.InvokeOnAdd(value, view, e);
                                 }
                             }
                         }
@@ -143,7 +143,7 @@ namespace ObservableCollections.Internal
                                 var value = e.OldItem;
                                 var id = identitySelector(value);
                                 dict.Remove((value, id), out var v);
-                                filter.InvokeOnRemove(v.Value, v.View);
+                                filter.InvokeOnRemove(v.Value, v.View, e);
                             }
                             else
                             {
@@ -151,7 +151,7 @@ namespace ObservableCollections.Internal
                                 {
                                     var id = identitySelector(value);
                                     dict.Remove((value, id), out var v);
-                                    filter.InvokeOnRemove(v.Value, v.View);
+                                    filter.InvokeOnRemove(v.Value, v.View, e);
                                 }
                             }
                         }
@@ -168,8 +168,8 @@ namespace ObservableCollections.Internal
                             var id = identitySelector(value);
                             dict.Add((value, id), (value, view));
 
-                            filter.InvokeOnRemove(oldView);
-                            filter.InvokeOnAdd(value, view);
+                            filter.InvokeOnRemove(oldView, e);
+                            filter.InvokeOnAdd(value, view, e);
                         }
                         break;
                     case NotifyCollectionChangedAction.Move:
@@ -178,7 +178,7 @@ namespace ObservableCollections.Internal
                             var oldValue = e.OldItem;
                             if (dict.TryGetValue((oldValue, identitySelector(oldValue)), out var view))
                             {
-                                filter.InvokeOnMove(view);
+                                filter.InvokeOnMove(view, e);
                             }
                         }
                         break;
@@ -187,7 +187,7 @@ namespace ObservableCollections.Internal
                         {
                             foreach (var item in dict)
                             {
-                                filter.InvokeOnRemove(item.Value);
+                                filter.InvokeOnRemove(item.Value, e);
                             }
                         }
                         dict.Clear();
diff --git a/src/ObservableCollections/Internal/SortedViewViewComparer.cs b/src/ObservableCollections/Internal/SortedViewViewComparer.cs
index 3bf75b4..383c2eb 100644
--- a/src/ObservableCollections/Internal/SortedViewViewComparer.cs
+++ b/src/ObservableCollections/Internal/SortedViewViewComparer.cs
@@ -128,7 +128,7 @@ namespace ObservableCollections.Internal
                                 var id = identitySelector(value);
                                 dict.Add((view, id), (value, view));
                                 viewMap.Add(id, view);
-                                filter.InvokeOnAdd(value, view);
+                                filter.InvokeOnAdd(value, view, e);
                             }
                             else
                             {
@@ -138,7 +138,7 @@ namespace ObservableCollections.Internal
                                     var id = identitySelector(value);
                                     dict.Add((view, id), (value, view));
                                     viewMap.Add(id, view);
-                                    filter.InvokeOnAdd(value, view);
+                                    filter.InvokeOnAdd(value, view, e);
                                 }
                             }
                         }
@@ -152,7 +152,7 @@ namespace ObservableCollections.Internal
                                 if (viewMap.Remove(id, out var view))
                                 {
                                     dict.Remove((view, id), out var v);
-                                    filter.InvokeOnRemove(v);
+                                    filter.InvokeOnRemove(v, e);
                                 }
                             }
                             else
@@ -163,7 +163,7 @@ namespace ObservableCollections.Internal
                                     if (viewMap.Remove(id, out var view))
                                     {
                                         dict.Remove((view, id), out var v);
-                                        filter.InvokeOnRemove(v);
+                                        filter.InvokeOnRemove(v, e);
                                     }
                                 }
                             }
@@ -177,7 +177,7 @@ namespace ObservableCollections.Internal
                             if (viewMap.Remove(oldKey, out var oldView))
                             {
                                 dict.Remove((oldView, oldKey));
-                                filter.InvokeOnRemove(oldValue, oldView);
+                                filter.InvokeOnRemove(oldValue, oldView, e);
                             }
 
                             var value = e.NewItem;
@@ -186,7 +186,7 @@ namespace ObservableCollections.Internal
                             dict.Add((view, id), (value, view));
                             viewMap.Add(id, view);
 
-                            filter.InvokeOnAdd(value, view);
+                            filter.InvokeOnAdd(value, view, e);
                         }
                         break;
                     case NotifyCollectionChangedAction.Move:
@@ -196,7 +196,7 @@ namespace ObservableCollections.Internal
                             var key = identitySelector(value);
                             if (viewMap.TryGetValue(key, out var view))
                             {
-                                filter.InvokeOnMove(value, view);
+                                filter.InvokeOnMove(value, view, e);
                             }
                         }
                         break;
@@ -205,7 +205,7 @@ namespace ObservableCollections.Internal
                         {
                             foreach (var item in dict)
                             {
-                                filter.InvokeOnRemove(item.Value);
+                                filter.InvokeOnRemove(item.Value, e);
                             }
                         }
                         dict.Clear();
diff --git a/src/ObservableCollections/ObservableDictionary.Views.cs b/src/ObservableCollections/ObservableDictionary.Views.cs
index fbeaed0..fff8918 100644
--- a/src/ObservableCollections/ObservableDictionary.Views.cs
+++ b/src/ObservableCollections/ObservableDictionary.Views.cs
@@ -121,14 +121,14 @@ namespace ObservableCollections
                             {
                                 var v = selector(e.NewItem);
                                 dict.Add(e.NewItem.Key, (e.NewItem.Value, v));
-                                filter.InvokeOnAdd(new KeyValuePair<TKey, TValue>(e.NewItem.Key, e.NewItem.Value), v);
+                                filter.InvokeOnAdd(new KeyValuePair<TKey, TValue>(e.NewItem.Key, e.NewItem.Value), v, e);
                             }
                             break;
                         case NotifyCollectionChangedAction.Remove:
                             {
                                 if (dict.Remove(e.OldItem.Key, out var v))
                                 {
-                                    filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(e.OldItem.Key, v.Item1), v.Item2));
+                                    filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(e.OldItem.Key, v.Item1), v.Item2), e);
                                 }
                             }
                             break;
@@ -136,12 +136,12 @@ namespace ObservableCollections
                             {
                                 if (dict.Remove(e.OldItem.Key, out var oldView))
                                 {
-                                    filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(e.OldItem.Key, oldView.Item1), oldView.Item2));
+                                    filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(e.OldItem.Key, oldView.Item1), oldView.Item2), e);
                                 }
 
                                 var v = selector(e.NewItem);
                                 dict[e.NewItem.Key] = (e.NewItem.Value, v);
-                                filter.InvokeOnAdd(new KeyValuePair<TKey, TValue>(e.NewItem.Key, e.NewItem.Value), v);
+                                filter.InvokeOnAdd(new KeyValuePair<TKey, TValue>(e.NewItem.Key, e.NewItem.Value), v, e);
                             }
                             break;
                         case NotifyCollectionChangedAction.Reset:
@@ -150,7 +150,7 @@ namespace ObservableCollections
                                 {
                                     foreach (var item in dict)
                                     {
-                                        filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(item.Key, item.Value.Item1), item.Value.Item2));
+                                        filter.InvokeOnRemove((new KeyValuePair<TKey, TValue>(item.Key, item.Value.Item1), item.Value.Item2), e);
                                     }
                                 }
 
diff --git a/src/ObservableCollections/ObservableHashSet.Views.cs b/src/ObservableCollections/ObservableHashSet.Views.cs
index c054052..f8dadbf 100644
--- a/src/ObservableCollections/ObservableHashSet.Views.cs
+++ b/src/ObservableCollections/ObservableHashSet.Views.cs
@@ -118,7 +118,7 @@ namespace ObservableCollections
                             {
                                 var v = (e.NewItem, selector(e.NewItem));
                                 dict.Add(e.NewItem, v);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnAdd(v, e);
                             }
                             else
                             {
@@ -126,7 +126,7 @@ namespace ObservableCollections
                                 {
                                     var v = (item, selector(item));
                                     dict.Add(item, v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                             }
                             break;
@@ -135,7 +135,7 @@ namespace ObservableCollections
                             {
                                 if (dict.Remove(e.OldItem, out var value))
                                 {
-                                    filter.InvokeOnRemove(value.Item1, value.Item2);
+                                    filter.InvokeOnRemove(value.Item1, value.Item2, e);
                                 }
                             }
                             else
@@ -144,7 +144,7 @@ namespace ObservableCollections
                                 {
                                     if (dict.Remove(item, out var value))
                                     {
-                                        filter.InvokeOnRemove(value.Item1, value.Item2);
+                                        filter.InvokeOnRemove(value.Item1, value.Item2, e);
                                     }
                                 }
                             }
@@ -154,7 +154,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in dict)
                                 {
-                                    filter.InvokeOnRemove(item.Value);
+                                    filter.InvokeOnRemove(item.Value, e);
                                 }
                             }
                             dict.Clear();
diff --git a/src/ObservableCollections/ObservableHashSet.cs b/src/ObservableCollections/ObservableHashSet.cs
index b409515..4734174 100644
--- a/src/ObservableCollections/ObservableHashSet.cs
+++ b/src/ObservableCollections/ObservableHashSet.cs
@@ -3,6 +3,7 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
+using System.Linq;
 
 namespace ObservableCollections
 {
diff --git a/src/ObservableCollections/ObservableList.Views.cs b/src/ObservableCollections/ObservableList.Views.cs
index 282c390..aae921f 100644
--- a/src/ObservableCollections/ObservableList.Views.cs
+++ b/src/ObservableCollections/ObservableList.Views.cs
@@ -136,7 +136,7 @@ namespace ObservableCollections
                                 {
                                     var v = (e.NewItem, selector(e.NewItem));
                                     list.Add(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                                 else
                                 {
@@ -144,7 +144,7 @@ namespace ObservableCollections
                                     {
                                         var v = (item, selector(item));
                                         list.Add(v);
-                                        filter.InvokeOnAdd(v);
+                                        filter.InvokeOnAdd(v, e);
                                     }
                                 }
                             }
@@ -155,7 +155,7 @@ namespace ObservableCollections
                                 {
                                     var v = (e.NewItem, selector(e.NewItem));
                                     list.Insert(e.NewStartingIndex, v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                                 else
                                 {
@@ -166,7 +166,7 @@ namespace ObservableCollections
                                     {
                                         var v = (span[i], selector(span[i]));
                                         newArray[i] = v;
-                                        filter.InvokeOnAdd(v);
+                                        filter.InvokeOnAdd(v, e);
                                     }
                                     list.InsertRange(e.NewStartingIndex, newArray);
                                 }
@@ -177,7 +177,7 @@ namespace ObservableCollections
                             {
                                 var v = list[e.OldStartingIndex];
                                 list.RemoveAt(e.OldStartingIndex);
-                                filter.InvokeOnRemove(v.Item1, v.Item2);
+                                filter.InvokeOnRemove(v.Item1, v.Item2, e);
                             }
                             else
                             {
@@ -185,7 +185,7 @@ namespace ObservableCollections
                                 for (int i = e.OldStartingIndex; i < len; i++)
                                 {
                                     var v = list[i];
-                                    filter.InvokeOnRemove(v.Item1, v.Item2);
+                                    filter.InvokeOnRemove(v.Item1, v.Item2, e);
                                 }
 
                                 list.RemoveRange(e.OldStartingIndex, e.OldItems.Length);
@@ -199,8 +199,8 @@ namespace ObservableCollections
                                 var oldItem = list[e.NewStartingIndex];
                                 list[e.NewStartingIndex] = v;
 
-                                filter.InvokeOnRemove(oldItem);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnRemove(oldItem, e);
+                                filter.InvokeOnAdd(v, e);
                                 break;
                             }
                         case NotifyCollectionChangedAction.Move:
@@ -209,7 +209,7 @@ namespace ObservableCollections
                                 list.RemoveAt(e.OldStartingIndex);
                                 list.Insert(e.NewStartingIndex, removeItem);
 
-                                filter.InvokeOnMove(removeItem);
+                                filter.InvokeOnMove(removeItem, e);
                             }
                             break;
                         case NotifyCollectionChangedAction.Reset:
@@ -217,7 +217,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in list)
                                 {
-                                    filter.InvokeOnRemove(item);
+                                    filter.InvokeOnRemove(item, e);
                                 }
                             }
                             list.Clear();
diff --git a/src/ObservableCollections/ObservableQueue.Views.cs b/src/ObservableCollections/ObservableQueue.Views.cs
index 31db2f8..76b245a 100644
--- a/src/ObservableCollections/ObservableQueue.Views.cs
+++ b/src/ObservableCollections/ObservableQueue.Views.cs
@@ -134,7 +134,7 @@ namespace ObservableCollections
                             {
                                 var v = (e.NewItem, selector(e.NewItem));
                                 queue.Enqueue(v);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnAdd(v, e);
                             }
                             else
                             {
@@ -142,7 +142,7 @@ namespace ObservableCollections
                                 {
                                     var v = (item, selector(item));
                                     queue.Enqueue(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                             }
                             break;
@@ -151,7 +151,7 @@ namespace ObservableCollections
                             if (e.IsSingleItem)
                             {
                                 var v = queue.Dequeue();
-                                filter.InvokeOnRemove(v.Item1, v.Item2);
+                                filter.InvokeOnRemove(v.Item1, v.Item2, e);
                             }
                             else
                             {
@@ -159,7 +159,7 @@ namespace ObservableCollections
                                 for (int i = 0; i < len; i++)
                                 {
                                     var v = queue.Dequeue();
-                                    filter.InvokeOnRemove(v.Item1, v.Item2);
+                                    filter.InvokeOnRemove(v.Item1, v.Item2, e);
                                 }
                             }
                             break;
@@ -168,7 +168,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in queue)
                                 {
-                                    filter.InvokeOnRemove(item);
+                                    filter.InvokeOnRemove(item, e);
                                 }
                             }
                             queue.Clear();
diff --git a/src/ObservableCollections/ObservableRingBuffer.Views.cs b/src/ObservableCollections/ObservableRingBuffer.Views.cs
index b20a7b4..987bf55 100644
--- a/src/ObservableCollections/ObservableRingBuffer.Views.cs
+++ b/src/ObservableCollections/ObservableRingBuffer.Views.cs
@@ -141,7 +141,7 @@ namespace ObservableCollections
                                 {
                                     var v = (e.NewItem, selector(e.NewItem));
                                     ringBuffer.AddFirst(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                                 else
                                 {
@@ -149,7 +149,7 @@ namespace ObservableCollections
                                     {
                                         var v = (item, selector(item));
                                         ringBuffer.AddFirst(v);
-                                        filter.InvokeOnAdd(v);
+                                        filter.InvokeOnAdd(v, e);
                                     }
                                 }
                             }
@@ -160,7 +160,7 @@ namespace ObservableCollections
                                 {
                                     var v = (e.NewItem, selector(e.NewItem));
                                     ringBuffer.AddLast(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                                 else
                                 {
@@ -168,7 +168,7 @@ namespace ObservableCollections
                                     {
                                         var v = (item, selector(item));
                                         ringBuffer.AddLast(v);
-                                        filter.InvokeOnAdd(v);
+                                        filter.InvokeOnAdd(v, e);
                                     }
                                 }
                             }
@@ -181,14 +181,14 @@ namespace ObservableCollections
                                 if (e.IsSingleItem)
                                 {
                                     var v = ringBuffer.RemoveFirst();
-                                    filter.InvokeOnRemove(v);
+                                    filter.InvokeOnRemove(v, e);
                                 }
                                 else
                                 {
                                     for (int i = 0; i < e.OldItems.Length; i++)
                                     {
                                         var v = ringBuffer.RemoveFirst();
-                                        filter.InvokeOnRemove(v);
+                                        filter.InvokeOnRemove(v, e);
                                     }
                                 }
                             }
@@ -198,14 +198,14 @@ namespace ObservableCollections
                                 if (e.IsSingleItem)
                                 {
                                     var v = ringBuffer.RemoveLast();
-                                    filter.InvokeOnRemove(v);
+                                    filter.InvokeOnRemove(v, e);
                                 }
                                 else
                                 {
                                     for (int i = 0; i < e.OldItems.Length; i++)
                                     {
                                         var v = ringBuffer.RemoveLast();
-                                        filter.InvokeOnRemove(v);
+                                        filter.InvokeOnRemove(v, e);
                                     }
                                 }
                             }
@@ -215,7 +215,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in ringBuffer)
                                 {
-                                    filter.InvokeOnRemove(item);
+                                    filter.InvokeOnRemove(item, e);
                                 }
                             }
                             ringBuffer.Clear();
@@ -228,8 +228,8 @@ namespace ObservableCollections
                                 var oldItem = ringBuffer[e.NewStartingIndex];
                                 ringBuffer[e.NewStartingIndex] = v;
 
-                                filter.InvokeOnRemove(oldItem);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnRemove(oldItem, e);
+                                filter.InvokeOnAdd(v, e);
                                 break;
                             }
                         case NotifyCollectionChangedAction.Move:
diff --git a/src/ObservableCollections/ObservableStack.Views.cs b/src/ObservableCollections/ObservableStack.Views.cs
index 77ec33c..a4aaf79 100644
--- a/src/ObservableCollections/ObservableStack.Views.cs
+++ b/src/ObservableCollections/ObservableStack.Views.cs
@@ -134,7 +134,7 @@ namespace ObservableCollections
                             {
                                 var v = (e.NewItem, selector(e.NewItem));
                                 stack.Push(v);
-                                filter.InvokeOnAdd(v);
+                                filter.InvokeOnAdd(v, e);
                             }
                             else
                             {
@@ -142,7 +142,7 @@ namespace ObservableCollections
                                 {
                                     var v = (item, selector(item));
                                     stack.Push(v);
-                                    filter.InvokeOnAdd(v);
+                                    filter.InvokeOnAdd(v, e);
                                 }
                             }
                             break;
@@ -151,7 +151,7 @@ namespace ObservableCollections
                             if (e.IsSingleItem)
                             {
                                 var v = stack.Pop();
-                                filter.InvokeOnRemove(v.Item1, v.Item2);
+                                filter.InvokeOnRemove(v.Item1, v.Item2, e);
                             }
                             else
                             {
@@ -159,7 +159,7 @@ namespace ObservableCollections
                                 for (int i = 0; i < len; i++)
                                 {
                                     var v = stack.Pop();
-                                    filter.InvokeOnRemove(v.Item1, v.Item2);
+                                    filter.InvokeOnRemove(v.Item1, v.Item2, e);
                                 }
                             }
                             break;
@@ -168,7 +168,7 @@ namespace ObservableCollections
                             {
                                 foreach (var item in stack)
                                 {
-                                    filter.InvokeOnRemove(item);
+                                    filter.InvokeOnRemove(item, e);
                                 }
                             }
                             stack.Clear();
diff --git a/src/ObservableCollections/RingBuffer.cs b/src/ObservableCollections/RingBuffer.cs
index f8ac262..409bacc 100644
--- a/src/ObservableCollections/RingBuffer.cs
+++ b/src/ObservableCollections/RingBuffer.cs
@@ -2,6 +2,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
+using System.Linq;
 
 namespace ObservableCollections
 {
diff --git a/tests/ObservableCollections.Tests/ViewContainer.cs b/tests/ObservableCollections.Tests/ViewContainer.cs
index d6f26e3..947d689 100644
--- a/tests/ObservableCollections.Tests/ViewContainer.cs
+++ b/tests/ObservableCollections.Tests/ViewContainer.cs
@@ -54,7 +54,7 @@ namespace ObservableCollections.Tests
             return this.filter.Invoke(value, view);
         }
 
-        public void OnCollectionChanged(ChangedKind changedKind, T value, ViewContainer<T> view)
+        public void OnCollectionChanged(ChangedKind changedKind, T value, ViewContainer<T> view, in NotifyCollectionChangedEventArgs<T> eventArgs)
         {
             CalledOnCollectionChanged.Add((changedKind, value, view));
         }
@@ -94,7 +94,7 @@ namespace ObservableCollections.Tests
             return this.filter.Invoke(value, view);
         }
 
-        public void OnCollectionChanged(ChangedKind changedKind, KeyValuePair<T, T> value, ViewContainer<T> view)
+        public void OnCollectionChanged(ChangedKind changedKind, KeyValuePair<T, T> value, ViewContainer<T> view, in NotifyCollectionChangedEventArgs<KeyValuePair<T, T>> eventArgs)
         {
             CalledOnCollectionChanged.Add((changedKind, value, view));
         }