diff --git a/build/SkiaSharp.props b/build/SkiaSharp.props
index a8d9332c57..bbef48050e 100644
--- a/build/SkiaSharp.props
+++ b/build/SkiaSharp.props
@@ -1,6 +1,6 @@
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <PackageReference Include="SkiaSharp" Version="2.80.0" />
+    <PackageReference Include="SkiaSharp" Version="2.80.1" />
     <PackageReference Condition="'$(IncludeLinuxSkia)' == 'true'" Include="SkiaSharp.NativeAssets.Linux" Version="2.80.0" />
   </ItemGroup>
 </Project>
diff --git a/readme.md b/readme.md
index 19a9a8420d..c1bf5bbfde 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,4 @@
-[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/AvaloniaUI/Avalonia?utm_campaign=pr-badge&utm_content=badge&utm_medium=badge&utm_source=badge) [![Build Status](https://dev.azure.com/AvaloniaUI/AvaloniaUI/_apis/build/status/AvaloniaUI.Avalonia)](https://dev.azure.com/AvaloniaUI/AvaloniaUI/_build/latest?definitionId=4) [![Backers on Open Collective](https://opencollective.com/Avalonia/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/Avalonia/sponsors/badge.svg)](#sponsors) ![License](https://img.shields.io/github/license/avaloniaui/avalonia.svg)
+[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/AvaloniaUI/Avalonia?utm_campaign=pr-badge&utm_content=badge&utm_medium=badge&utm_source=badge) [![Discord](https://img.shields.io/badge/discord-join%20chat-46BC99)]( https://aka.ms/dotnet-discord) [![Build Status](https://dev.azure.com/AvaloniaUI/AvaloniaUI/_apis/build/status/AvaloniaUI.Avalonia)](https://dev.azure.com/AvaloniaUI/AvaloniaUI/_build/latest?definitionId=4) [![Backers on Open Collective](https://opencollective.com/Avalonia/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/Avalonia/sponsors/badge.svg)](#sponsors) ![License](https://img.shields.io/github/license/avaloniaui/avalonia.svg)
 <br />
 [![NuGet](https://img.shields.io/nuget/v/Avalonia.svg)](https://www.nuget.org/packages/Avalonia) [![downloads](https://img.shields.io/nuget/dt/avalonia)](https://www.nuget.org/packages/Avalonia) [![MyGet](https://img.shields.io/myget/avalonia-ci/vpre/Avalonia.svg?label=myget)](https://www.myget.org/gallery/avalonia-ci) ![Size](https://img.shields.io/github/repo-size/avaloniaui/avalonia.svg) 
 
diff --git a/src/Avalonia.Build.Tasks/XamlCompilerTaskExecutor.cs b/src/Avalonia.Build.Tasks/XamlCompilerTaskExecutor.cs
index c1cc0e7bf0..c9c9c562bd 100644
--- a/src/Avalonia.Build.Tasks/XamlCompilerTaskExecutor.cs
+++ b/src/Avalonia.Build.Tasks/XamlCompilerTaskExecutor.cs
@@ -128,7 +128,7 @@ namespace Avalonia.Build.Tasks
                 asm.MainModule.Types.Add(typeDef);
                 var builder = typeSystem.CreateTypeBuilder(typeDef);
                 
-                foreach (var res in group.Resources.Where(CheckXamlName))
+                foreach (var res in group.Resources.Where(CheckXamlName).OrderBy(x=>x.FilePath.ToLowerInvariant()))
                 {
                     try
                     {
diff --git a/src/Avalonia.Controls/ProgressBar.cs b/src/Avalonia.Controls/ProgressBar.cs
index e904957429..a92f24a050 100644
--- a/src/Avalonia.Controls/ProgressBar.cs
+++ b/src/Avalonia.Controls/ProgressBar.cs
@@ -215,7 +215,7 @@ namespace Avalonia.Controls
                     TemplateProperties.Container2AnimationEndPosition = barIndicatorWidth2 * 1.66; // Position at 166%
 
                     // Remove these properties when we switch to fluent as default and removed the old one.
-                    IndeterminateStartingOffset = -(dim / 5d);
+                    IndeterminateStartingOffset = -dim;
                     IndeterminateEndingOffset = dim;
 
                     var padding = Padding;
diff --git a/src/Avalonia.Native/AvaloniaNativeMenuExporter.cs b/src/Avalonia.Native/AvaloniaNativeMenuExporter.cs
index 41ad988c34..6d1b95b997 100644
--- a/src/Avalonia.Native/AvaloniaNativeMenuExporter.cs
+++ b/src/Avalonia.Native/AvaloniaNativeMenuExporter.cs
@@ -11,7 +11,7 @@ namespace Avalonia.Native
     class AvaloniaNativeMenuExporter : ITopLevelNativeMenuExporter
     {
         private IAvaloniaNativeFactory _factory;
-        private bool _resetQueued;
+        private bool _resetQueued = true;
         private bool _exported = false;
         private IAvnWindow _nativeWindow;
         private NativeMenu _menu;
@@ -39,8 +39,7 @@ namespace Avalonia.Native
         public void SetNativeMenu(NativeMenu menu)
         {
             _menu = menu == null ? new NativeMenu() : menu;
-
-            DoLayoutReset();
+            DoLayoutReset(true);
         }
 
         internal void UpdateIfNeeded()
@@ -74,9 +73,9 @@ namespace Avalonia.Native
             return result;
         }
 
-        private void DoLayoutReset()
+        private void DoLayoutReset(bool forceUpdate = false)
         {
-            if (_resetQueued)
+            if (_resetQueued || forceUpdate)
             {
                 _resetQueued = false;
 
@@ -109,7 +108,7 @@ namespace Avalonia.Native
             if (_resetQueued)
                 return;
             _resetQueued = true;
-            Dispatcher.UIThread.Post(DoLayoutReset, DispatcherPriority.Background);
+            Dispatcher.UIThread.Post(() => DoLayoutReset(), DispatcherPriority.Background);
         }
 
         private void SetMenu(NativeMenu menu)
diff --git a/src/Avalonia.Themes.Default/ProgressBar.xaml b/src/Avalonia.Themes.Default/ProgressBar.xaml
index 43a0752bc8..d9c407245b 100644
--- a/src/Avalonia.Themes.Default/ProgressBar.xaml
+++ b/src/Avalonia.Themes.Default/ProgressBar.xaml
@@ -13,19 +13,14 @@
     <Setter Property="Template">
       <ControlTemplate>
         <Grid>
-          <Border Background="{TemplateBinding Background}"
-                  BorderBrush="{TemplateBinding BorderBrush}"
-                  BorderThickness="{TemplateBinding BorderThickness}">
-            <Border Name="PART_Indicator" Background="{TemplateBinding Foreground}"/>
+          <Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}">
+            <Panel>
+              <Border Name="PART_Indicator" Background="{TemplateBinding Foreground}" IsVisible="{Binding !IsIndeterminate, RelativeSource={RelativeSource TemplatedParent}}"/>
+              <Border Name="PART_IndeterminateIndicator" Background="{TemplateBinding Foreground}" IsVisible="{Binding IsIndeterminate, RelativeSource={RelativeSource TemplatedParent}}"/>
+            </Panel>
           </Border>
-          <LayoutTransformControl
-                HorizontalAlignment="Center"
-                VerticalAlignment="Center"
-                IsVisible="{Binding ShowProgressText, RelativeSource={RelativeSource TemplatedParent}}"
-                Name="PART_LayoutTransformControl">
-            <TextBlock
-                Foreground="{DynamicResource ThemeForegroundBrush}"
-                Text="{Binding Value, RelativeSource={RelativeSource TemplatedParent}, StringFormat={}{0:0}%}" />
+          <LayoutTransformControl HorizontalAlignment="Center" VerticalAlignment="Center" IsVisible="{Binding ShowProgressText, RelativeSource={RelativeSource TemplatedParent}}" Name="PART_LayoutTransformControl">
+            <TextBlock Foreground="{DynamicResource ThemeForegroundBrush}" Text="{Binding Value, RelativeSource={RelativeSource TemplatedParent}, StringFormat={}{0:0}%}" />
           </LayoutTransformControl>
         </Grid>
       </ControlTemplate>
@@ -54,36 +49,31 @@
       </Setter.Value>
     </Setter>
   </Style>
-  <Style Selector="ProgressBar:horizontal:indeterminate /template/ Border#PART_Indicator">
+
+  <Style Selector="ProgressBar:horizontal:indeterminate /template/ Border#PART_IndeterminateIndicator">
     <Style.Animations>
-      <Animation Duration="0:0:3"
-                 IterationCount="Infinite"
-                 Easing="LinearEasing">
+      <Animation Duration="0:0:3" IterationCount="Infinite" Easing="LinearEasing">
         <KeyFrame Cue="0%">
-          <Setter Property="TranslateTransform.X"
-                  Value="{Binding IndeterminateStartingOffset, RelativeSource={RelativeSource TemplatedParent}}" />
+          <Setter Property="TranslateTransform.X" Value="{Binding IndeterminateStartingOffset, RelativeSource={RelativeSource TemplatedParent}}" />
         </KeyFrame>
         <KeyFrame Cue="100%">
-          <Setter Property="TranslateTransform.X"
-                  Value="{Binding IndeterminateEndingOffset, RelativeSource={RelativeSource TemplatedParent}}" />
+          <Setter Property="TranslateTransform.X" Value="{Binding IndeterminateEndingOffset, RelativeSource={RelativeSource TemplatedParent}}" />
         </KeyFrame>
       </Animation>
     </Style.Animations>
+    <Setter Property="Width" Value="{Binding TemplateProperties.ContainerWidth, RelativeSource={RelativeSource TemplatedParent}}" />
   </Style>
-  <Style Selector="ProgressBar:vertical:indeterminate /template/ Border#PART_Indicator">
+  <Style Selector="ProgressBar:vertical:indeterminate /template/ Border#PART_IndeterminateIndicator">
     <Style.Animations>
-      <Animation Duration="0:0:3"
-                 IterationCount="Infinite"
-                 Easing="LinearEasing">
+      <Animation Duration="0:0:3" IterationCount="Infinite" Easing="LinearEasing">
         <KeyFrame Cue="0%">
-          <Setter Property="TranslateTransform.Y"
-                  Value="{Binding TemplateProperties.IndeterminateStartingOffset, RelativeSource={RelativeSource TemplatedParent}}" />
+          <Setter Property="TranslateTransform.Y" Value="{Binding IndeterminateStartingOffset, RelativeSource={RelativeSource TemplatedParent}}" />
         </KeyFrame>
         <KeyFrame Cue="100%">
-          <Setter Property="TranslateTransform.Y"
-                  Value="{Binding TemplateProperties.IndeterminateEndingOffset, RelativeSource={RelativeSource TemplatedParent}}" />
+          <Setter Property="TranslateTransform.Y" Value="{Binding IndeterminateEndingOffset, RelativeSource={RelativeSource TemplatedParent}}" />
         </KeyFrame>
       </Animation>
     </Style.Animations>
+    <Setter Property="Height" Value="{Binding TemplateProperties.ContainerWidth, RelativeSource={RelativeSource TemplatedParent}}" />
   </Style>
 </Styles>
diff --git a/src/Avalonia.Themes.Default/TitleBar.xaml b/src/Avalonia.Themes.Default/TitleBar.xaml
index 4dba5b4ba4..7f8ed24076 100644
--- a/src/Avalonia.Themes.Default/TitleBar.xaml
+++ b/src/Avalonia.Themes.Default/TitleBar.xaml
@@ -5,7 +5,7 @@
     </Border>
   </Design.PreviewWith>
   <Style Selector="TitleBar">
-    <Setter Property="Foreground" Value="{DynamicResource SystemControlForegroundBaseHighBrush}"/>    
+    <Setter Property="Foreground" Value="{DynamicResource ThemeForegroundBrush}"/>    
     <Setter Property="VerticalAlignment" Value="Top" />
     <Setter Property="HorizontalAlignment" Value="Stretch" />
     <Setter Property="Background" Value="Transparent" />
@@ -23,7 +23,7 @@
   </Style>
 
   <Style Selector="TitleBar:fullscreen">
-    <Setter Property="Background" Value="{DynamicResource SystemAccentColor}" />
+    <Setter Property="Background" Value="{DynamicResource ThemeAccentColor}" />
   </Style>
 
   <Style Selector="TitleBar /template/ Border#PART_Background">
diff --git a/src/Avalonia.Themes.Default/Window.xaml b/src/Avalonia.Themes.Default/Window.xaml
index 1856eec206..7d74a7e6a0 100644
--- a/src/Avalonia.Themes.Default/Window.xaml
+++ b/src/Avalonia.Themes.Default/Window.xaml
@@ -1,9 +1,8 @@
 <Style xmlns="https://github.com/avaloniaui" Selector="Window">
-  <Setter Property="Background" Value="{DynamicResource SystemControlBackgroundAltHighBrush}"/>  
-  <Setter Property="TransparencyBackgroundFallback" Value="{DynamicResource SystemControlBackgroundAltHighBrush}" />
-  <Setter Property="Foreground" Value="{DynamicResource SystemControlForegroundBaseHighBrush}"/>
-  <Setter Property="FontSize" Value="{DynamicResource ContentControlFontSize}"/>  
-  <Setter Property="FontFamily" Value="{DynamicResource ContentControlThemeFontFamily}" />
+  <Setter Property="Background" Value="{DynamicResource ThemeBackgroundBrush}"/>  
+  <Setter Property="TransparencyBackgroundFallback" Value="{DynamicResource HighlightForegroundColor}" />
+  <Setter Property="Foreground" Value="{DynamicResource ThemeForegroundBrush}"/>
+  <Setter Property="FontSize" Value="{DynamicResource FontSizeSmall}"/>  
   <Setter Property="Template">
     <ControlTemplate>
       <Panel>
diff --git a/src/Avalonia.Visuals/ApiCompatBaseline.txt b/src/Avalonia.Visuals/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..00618448a2
--- /dev/null
+++ b/src/Avalonia.Visuals/ApiCompatBaseline.txt
@@ -0,0 +1,4 @@
+Compat issues with assembly Avalonia.Visuals:
+EnumValuesMustMatch : Enum value 'Avalonia.Media.FontStyle Avalonia.Media.FontStyle.Italic' is (System.Int32)1 in the implementation but (System.Int32)2 in the contract.
+EnumValuesMustMatch : Enum value 'Avalonia.Media.FontStyle Avalonia.Media.FontStyle.Oblique' is (System.Int32)2 in the implementation but (System.Int32)1 in the contract.
+Total Issues: 2
diff --git a/src/Avalonia.Visuals/Media/FontStyle.cs b/src/Avalonia.Visuals/Media/FontStyle.cs
index cbc92b1a9f..b9d04bf9ff 100644
--- a/src/Avalonia.Visuals/Media/FontStyle.cs
+++ b/src/Avalonia.Visuals/Media/FontStyle.cs
@@ -11,13 +11,13 @@ namespace Avalonia.Media
         Normal,
 
         /// <summary>
-        /// An oblique font.
+        /// An italic font.
         /// </summary>
-        Oblique,
+        Italic,
 
         /// <summary>
-        /// An italic font.
+        /// An oblique font.
         /// </summary>
-        Italic,
+        Oblique
     }
 }
diff --git a/src/Avalonia.Visuals/Media/RadialGradientBrush.cs b/src/Avalonia.Visuals/Media/RadialGradientBrush.cs
index ee42c3d7e4..16c367c0d0 100644
--- a/src/Avalonia.Visuals/Media/RadialGradientBrush.cs
+++ b/src/Avalonia.Visuals/Media/RadialGradientBrush.cs
@@ -30,6 +30,11 @@ namespace Avalonia.Media
             AvaloniaProperty.Register<RadialGradientBrush, double>(
                 nameof(Radius),
                 0.5);
+        
+        static RadialGradientBrush()
+        {
+            AffectsRender<RadialGradientBrush>(CenterProperty, GradientOriginProperty, RadiusProperty);
+        }
 
         /// <summary>
         /// Gets or sets the start point for the gradient.
diff --git a/src/Markup/Avalonia.Markup.Xaml.Loader/xamlil.github b/src/Markup/Avalonia.Markup.Xaml.Loader/xamlil.github
index 8d9fee734a..7d15a92274 160000
--- a/src/Markup/Avalonia.Markup.Xaml.Loader/xamlil.github
+++ b/src/Markup/Avalonia.Markup.Xaml.Loader/xamlil.github
@@ -1 +1 @@
-Subproject commit 8d9fee734afaced9366774fda41b6aa2ab19875f
+Subproject commit 7d15a9227461cf4d62bc2ed251fcc25c96b28aaf
diff --git a/src/Skia/Avalonia.Skia/SKTypefaceCollectionCache.cs b/src/Skia/Avalonia.Skia/SKTypefaceCollectionCache.cs
index d36baf331d..7ca44e7282 100644
--- a/src/Skia/Avalonia.Skia/SKTypefaceCollectionCache.cs
+++ b/src/Skia/Avalonia.Skia/SKTypefaceCollectionCache.cs
@@ -56,7 +56,8 @@ namespace Avalonia.Skia
                     continue;
                 }
 
-                var key = new FontKey(fontFamily.Name, (FontStyle)typeface.FontSlant, (FontWeight)typeface.FontWeight);
+                var key = new FontKey(fontFamily.Name, typeface.FontSlant.ToAvalonia(),
+                    (FontWeight)typeface.FontWeight);
 
                 typeFaceCollection.AddTypeface(key, typeface);
             }
diff --git a/src/Skia/Avalonia.Skia/SkiaSharpExtensions.cs b/src/Skia/Avalonia.Skia/SkiaSharpExtensions.cs
index ec7e0a67ed..1e772ef067 100644
--- a/src/Skia/Avalonia.Skia/SkiaSharpExtensions.cs
+++ b/src/Skia/Avalonia.Skia/SkiaSharpExtensions.cs
@@ -138,6 +138,17 @@ namespace Avalonia.Skia
             }
         }
 
+        public static FontStyle ToAvalonia(this SKFontStyleSlant slant)
+        {
+            return slant switch
+            {
+                SKFontStyleSlant.Upright => FontStyle.Normal,
+                SKFontStyleSlant.Italic => FontStyle.Italic,
+                SKFontStyleSlant.Oblique => FontStyle.Oblique,
+                _ => throw new ArgumentOutOfRangeException(nameof (slant), slant, null)
+            };
+        }
+
         public static SKPath Clone(this SKPath src)
         {
             return src != null ? new SKPath(src) : null;