From f7e3060541f824ee0ba88c776653fe24dad36fd7 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Tue, 30 Nov 2021 12:52:32 +0000
Subject: [PATCH 1/2] make IsOpenProperty on flyoutbase public.

---
 src/Avalonia.Controls/Flyouts/FlyoutBase.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls/Flyouts/FlyoutBase.cs b/src/Avalonia.Controls/Flyouts/FlyoutBase.cs
index b874d149bf..d78ddd4169 100644
--- a/src/Avalonia.Controls/Flyouts/FlyoutBase.cs
+++ b/src/Avalonia.Controls/Flyouts/FlyoutBase.cs
@@ -22,7 +22,7 @@ namespace Avalonia.Controls.Primitives
         /// <summary>
         /// Defines the <see cref="IsOpen"/> property
         /// </summary>
-        private static readonly DirectProperty<FlyoutBase, bool> IsOpenProperty =
+        public static readonly DirectProperty<FlyoutBase, bool> IsOpenProperty =
            AvaloniaProperty.RegisterDirect<FlyoutBase, bool>(nameof(IsOpen),
                x => x.IsOpen);
 

From 26722e410e47fff7c71ce7a03c0efd42c6070de5 Mon Sep 17 00:00:00 2001
From: Giuseppe Lippolis <workgroupengineering@outlook.com>
Date: Wed, 1 Dec 2021 09:13:43 +0100
Subject: [PATCH 2/2] fixes: Window Control missing call base.OnPropertyChanged
 on override.

---
 src/Avalonia.Controls/Window.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Avalonia.Controls/Window.cs b/src/Avalonia.Controls/Window.cs
index 0ca28ca196..4c94b725ea 100644
--- a/src/Avalonia.Controls/Window.cs
+++ b/src/Avalonia.Controls/Window.cs
@@ -994,6 +994,7 @@ namespace Avalonia.Controls
 
         protected override void OnPropertyChanged<T>(AvaloniaPropertyChangedEventArgs<T> change)
         {
+            base.OnPropertyChanged(change);
             if (change.Property == SystemDecorationsProperty)
             {
                 var typedNewValue = change.NewValue.GetValueOrDefault<SystemDecorations>();