Merge branch 'master' into fixes/Warnings/XML-Dcouments

src/Avalonia.Base/Visual.cs

@@ -417,6 +417,7 @@ namespace Avalonia
             OnAttachedToVisualTree(e);
             AttachedToVisualTree?.Invoke(this, e);
             InvalidateVisual();
+            _visualRoot.Renderer?.RecalculateChildren(_visualParent!);
 
             if (ZIndex != 0 && VisualParent is Visual parent)
                 parent.HasNonUniformZIndexChildren = true;