Alt + left click to Ungroup Target Group

src/DynamoCoreWpf/Properties/Resources.en-US.resx

@@ -3267,4 +3267,7 @@ You can manage this in Preferences -&gt; Security.</value>
   <data name="InvalidDraggingOperationMessgae" xml:space="preserve">
     <value>Nothing is being dragged. If you see this message, most likely your recent Dynamo interaction is not recommended.</value>
   </data>
+  <data name="UngroupParentGroupWarning" xml:space="preserve">
+    <value>Dynamo cannot ungroup when there is no parent group.</value>
+  </data>
 </root>

src/DynamoCoreWpf/Properties/Resources.resx

@@ -3254,4 +3254,7 @@ You can manage this in Preferences -&gt; Security.</value>
   <data name="InvalidDraggingOperationMessgae" xml:space="preserve">
     <value>Nothing is being dragged. If you see this message, most likely your recent Dynamo interaction is not recommended.</value>
   </data>
+  <data name="UngroupParentGroupWarning" xml:space="preserve">
+    <value>Dynamo cannot ungroup when there is no parent group.</value>
+  </data>
 </root>

src/DynamoCoreWpf/UI/GuidedTour/GuidesManager.cs

@@ -535,7 +535,7 @@ private void Popup_StepClosed(string name, Step.StepTypes stepType)
         /// </summary>
         /// <param name="content">The target content to display.</param>
         /// TODO: Make this API out of guide manager to a more generic place
-        internal void CreateRealTimeInfoWindow(string content)
+        internal void CreateRealTimeInfoWindow(string content, bool stayOpen = false)
         {
             //Search a UIElement with the Name "statusBarPanel" inside the Dynamo VisualTree
             UIElement hostUIElement = GuideUtilities.FindChild(mainRootElement, "statusBarPanel");
@@ -552,7 +552,8 @@ internal void CreateRealTimeInfoWindow(string content)
                 VerticalOffset = ExitTourVerticalOffset,
                 HorizontalOffset = ExitTourHorizontalOffset,
                 Placement = PlacementMode.Left,
-                TextContent = content
+                TextContent = content,
+                StaysOpen = stayOpen
             };
 
             if (hostUIElement != null)

src/DynamoCoreWpf/ViewModels/Core/StateMachine.cs

@@ -1085,7 +1085,7 @@ private void InitiateDragSequence()
                 if (this.currentState != State.None)
                     throw new InvalidOperationException();
 
-                // Before setting the drag state,
+                // Before setting the drag state on node or note,
                 // Alt + left click triggers removal of group node or note belongs to
                 if (Keyboard.IsKeyDown(Key.LeftAlt) && !DynamoSelection.Instance.Selection.OfType<AnnotationModel>().Any())
                 {
@@ -1101,6 +1101,27 @@ private void InitiateDragSequence()
                     }
                 }
 
+                // Before setting the drag state on group
+                // Alt + left click triggers removal of group from parent group
+                if (Keyboard.IsKeyDown(Key.LeftAlt) && DynamoSelection.Instance.Selection.OfType<AnnotationModel>().Any())
+                {
+                    var model = DynamoSelection.Instance.Selection.OfType<AnnotationModel>().FirstOrDefault();
+                    {
+                        var parentGroup = owningWorkspace.Annotations
+                           .Where(x => x.AnnotationModel.ContainsModel(model))
+                           .FirstOrDefault();
+                        if (parentGroup != null)
+                        {
+                            // Only trigger when parent group exist
+                            owningWorkspace.Annotations.Where(x => x.AnnotationModel.GUID == model.GUID).FirstOrDefault().RemoveGroupFromGroupCommand.Execute(null);
+                        }
+                        else
+                        {
+                            owningWorkspace.DynamoViewModel.MainGuideManager.CreateRealTimeInfoWindow(Wpf.Properties.Resources.UngroupParentGroupWarning, true);
+                        }
+                    }
+                }
+
                 SetCurrentState(State.DragSetup);
             }