diff --git a/src/Avalonia.Themes.Fluent2/Controls/Slider.xaml b/src/Avalonia.Themes.Fluent2/Controls/Slider.xaml
index 8163e39a60..1749cf086c 100644
--- a/src/Avalonia.Themes.Fluent2/Controls/Slider.xaml
+++ b/src/Avalonia.Themes.Fluent2/Controls/Slider.xaml
@@ -35,11 +35,11 @@
   </Design.PreviewWith>
 
   <!-- WinUI reference: Slider_themeresources.xaml (DefaultSliderStyle), tag winui3/release/1.5.2.
-       Track is 4px tall with 2px rounded ends (NOTE: track thickness comes from the shared
-       SliderTrackThemeHeight key, which is still 2 in FluentControlResources.xaml and must be
-       updated to 4 there). The thumb is a 22px ControlSolidFillColorDefault circle with a 1px
-       CircleElevationBorderBrush ring containing an accent inner ellipse that is 12px at rest,
-       grows to 14px on thumb hover and shrinks to 10px while pressed/dragged (167ms). -->
+  Track is 4px tall with 2px rounded ends (NOTE: track thickness comes from the shared
+  SliderTrackThemeHeight key, which is still 2 in FluentControlResources.xaml and must be
+  updated to 4 there). The thumb is a 22px ControlSolidFillColorDefault circle with a 1px
+  CircleElevationBorderBrush ring containing an accent inner ellipse that is 12px at rest,
+  grows to 14px on thumb hover and shrinks to 10px while pressed/dragged (167ms). -->
   <Thickness x:Key="SliderTopHeaderMargin">0,0,0,4</Thickness>
   <GridLength x:Key="SliderPreContentMargin">14</GridLength>
   <GridLength x:Key="SliderPostContentMargin">14</GridLength>
@@ -84,32 +84,28 @@
     </Setter>
   </ControlTheme>
 
-  <!-- WinUI SliderThumbStyle: outer circle is SliderOuterThumbBackground
-       (ControlSolidFillColorDefault) ringed by SliderThumbBorderBrush; the aliases are not in
-       the shared layer yet, so the token brushes are used. The Thumb's Background templates
-       into the inner accent ellipse, so all existing Slider-level state selectors that set
-       Thumb.Background keep recoloring the inner ellipse. -->
   <ControlTheme x:Key="FluentSliderThumbTheme" TargetType="Thumb">
     <Setter Property="BorderThickness" Value="1" />
-    <Setter Property="BorderBrush" Value="{DynamicResource CircleElevationBorderBrush}" />
+    <Setter Property="Background" Value="{DynamicResource SliderThumbBackground}" />
     <Setter Property="Template">
       <ControlTemplate>
         <Border x:Name="ThumbBorder"
-            Background="{DynamicResource ControlSolidFillColorDefaultBrush}"
-            BackgroundSizing="InnerBorderEdge"
-            BorderBrush="{TemplateBinding BorderBrush}"
-            BorderThickness="{TemplateBinding BorderThickness}"
-            CornerRadius="{DynamicResource SliderThumbCornerRadius}">
+                Background="{DynamicResource SliderOuterThumbBackground}"
+                BorderBrush="{DynamicResource SliderThumbBorderBrush}"
+                BorderThickness="{TemplateBinding BorderThickness}"
+                CornerRadius="{DynamicResource SliderThumbCornerRadius}">
           <Ellipse x:Name="SliderInnerThumb"
                    Fill="{TemplateBinding Background}"
                    Width="{DynamicResource SliderInnerThumbWidth}"
                    Height="{DynamicResource SliderInnerThumbHeight}"
                    HorizontalAlignment="Center"
+                   RenderTransform="scale(0.86)"
                    VerticalAlignment="Center">
             <Ellipse.Transitions>
               <Transitions>
-                <DoubleTransition Property="Width" Duration="0:0:0.167" Easing="0,0 0,1" />
-                <DoubleTransition Property="Height" Duration="0:0:0.167" Easing="0,0 0,1" />
+                <TransformOperationsTransition Property="RenderTransform"
+                                               Duration="{StaticResource ControlFastAnimationDuration}"
+                                               Easing="{StaticResource ControlFastOutSlowInKeySpline}"/>
               </Transitions>
             </Ellipse.Transitions>
           </Ellipse>
@@ -117,15 +113,12 @@
       </ControlTemplate>
     </Setter>
 
-    <!-- WinUI Thumb CommonStates: inner ellipse 12px at rest, 14px on hover, 10px pressed. -->
-    <Style Selector="^:pointerover /template/ Ellipse#SliderInnerThumb">
-      <Setter Property="Width" Value="14" />
-      <Setter Property="Height" Value="14" />
+    <Style Selector="^:pointerover /template/ Ellipse#SliderInnerThumb, ^:disabled /template/ Ellipse#SliderInnerThumb">
+      <Setter Property="RenderTransform" Value="scale(1.167)"/>
     </Style>
 
     <Style Selector="^:pressed /template/ Ellipse#SliderInnerThumb">
-      <Setter Property="Width" Value="10" />
-      <Setter Property="Height" Value="10" />
+      <Setter Property="RenderTransform" Value="scale(0.71)"/>
     </Style>
   </ControlTheme>
 
@@ -133,97 +126,98 @@
     <Setter Property="Background" Value="{DynamicResource SliderTrackFill}" />
     <Setter Property="BorderThickness" Value="{DynamicResource SliderBorderThemeThickness}" />
     <Setter Property="Foreground" Value="{DynamicResource SliderTrackValueFill}" />
+    <Setter Property="BorderBrush" Value="{DynamicResource SliderThumbBorderBrush}" />
     <Style Selector="^:horizontal">
       <Setter Property="Template">
         <ControlTemplate>
           <DataValidationErrors>
             <Border
-                BorderBrush="{TemplateBinding BorderBrush}"
-                BorderThickness="{TemplateBinding BorderThickness}"
-                CornerRadius="{TemplateBinding CornerRadius}">
-                <Grid x:Name="SliderContainer"
-                      Margin="{TemplateBinding Padding}"
-                      Background="{DynamicResource SliderContainerBackground}">
-                  <Grid.Styles>
-                    <Style Selector="TickBar">
-                      <Setter Property="ReservedSpace" Value="{Binding #PART_Track.Thumb.Bounds}" />
-                    </Style>
-                  </Grid.Styles>
-                  <Grid
-                      x:Name="HorizontalTemplate"
-                      MinHeight="{DynamicResource SliderHorizontalHeight}"
-                      ColumnDefinitions="Auto,Auto,*">
-                    <Grid.RowDefinitions>
-                      <RowDefinition Height="{DynamicResource SliderPreContentMargin}" />
-                      <RowDefinition Height="Auto" />
-                      <RowDefinition Height="{DynamicResource SliderPostContentMargin}" />
-                    </Grid.RowDefinitions>
-                    <TickBar
-                        Name="TopTickBar"
-                        Grid.ColumnSpan="3"
-                        Ticks="{TemplateBinding Ticks}"
-                        TickFrequency="{TemplateBinding Slider.TickFrequency}"
-                        Orientation="{TemplateBinding Slider.Orientation}"
-                        Minimum="{TemplateBinding Slider.Minimum}"
-                        Maximum="{TemplateBinding Slider.Maximum}"
-                        Height="{DynamicResource SliderOutsideTickBarThemeHeight}"
-                        Margin="0,0,0,4"
-                        VerticalAlignment="Bottom"
-                        Placement="Top"
-                        IsVisible="False"
-                        IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
-                        Fill="{DynamicResource SliderTickBarFill}"/>
-                    <TickBar
-                        Name="BottomTickBar"
-                        Grid.Row="2"
-                        Grid.ColumnSpan="3"
-                        Ticks="{TemplateBinding Ticks}"
-                        TickFrequency="{TemplateBinding Slider.TickFrequency}"
-                        Orientation="{TemplateBinding Slider.Orientation}"
-                        Minimum="{TemplateBinding Slider.Minimum}"
-                        Maximum="{TemplateBinding Slider.Maximum}"
-                        Height="{DynamicResource SliderOutsideTickBarThemeHeight}"
-                        Margin="0,4,0,0"
-                        VerticalAlignment="Top"
-                        Placement="Bottom"
-                        IsVisible="False"
-                        IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
-                        Fill="{DynamicResource SliderTickBarFill}" />
-                    <Track
-                        Name="PART_Track"
-                        Grid.Row="1"
-                        Grid.ColumnSpan="3"
-                        Minimum="{TemplateBinding Minimum}"
-                        Maximum="{TemplateBinding Maximum}"
-                        Value="{TemplateBinding Value, Mode=TwoWay}"
-                        IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
-                        Orientation="Horizontal">
-                      <Track.DecreaseButton>
-                        <RepeatButton
-                            Name="PART_DecreaseButton"
-                            Theme="{StaticResource FluentSliderHorizontalRepeatButton}"
-                            Background="{TemplateBinding Foreground}"
-                            Focusable="False"/>
-                      </Track.DecreaseButton>
-                      <Track.IncreaseButton>
-                        <RepeatButton
-                            Name="PART_IncreaseButton"
-                            Theme="{StaticResource FluentSliderHorizontalRepeatButton}"
-                            Background="{TemplateBinding Background}"
-                            Focusable="False"/>
-                      </Track.IncreaseButton>
-                      <Thumb
-                          Name="thumb"
-                          Width="{DynamicResource SliderHorizontalThumbWidth}"
-                          Height="{DynamicResource SliderHorizontalThumbHeight}"
-                          Margin="0"
-                          Padding="0"
-                          Background="{DynamicResource SliderThumbBackground}"
-                          Theme="{StaticResource FluentSliderThumbTheme}"
-                          DataContext="{TemplateBinding Value}"/>
-                    </Track>
-                  </Grid>
+              BorderBrush="{TemplateBinding BorderBrush}"
+              BorderThickness="{TemplateBinding BorderThickness}"
+              CornerRadius="{TemplateBinding CornerRadius}">
+              <Grid x:Name="SliderContainer"
+                    Margin="{TemplateBinding Padding}"
+                    Background="{DynamicResource SliderContainerBackground}">
+                <Grid.Styles>
+                  <Style Selector="TickBar">
+                    <Setter Property="ReservedSpace" Value="{Binding #PART_Track.Thumb.Bounds}" />
+                  </Style>
+                </Grid.Styles>
+                <Grid
+                  x:Name="HorizontalTemplate"
+                  MinHeight="{DynamicResource SliderHorizontalHeight}"
+                  ColumnDefinitions="Auto,Auto,*">
+                  <Grid.RowDefinitions>
+                    <RowDefinition Height="{DynamicResource SliderPreContentMargin}" />
+                    <RowDefinition Height="Auto" />
+                    <RowDefinition Height="{DynamicResource SliderPostContentMargin}" />
+                  </Grid.RowDefinitions>
+                  <TickBar
+                    Name="TopTickBar"
+                    Grid.ColumnSpan="3"
+                    Ticks="{TemplateBinding Ticks}"
+                    TickFrequency="{TemplateBinding Slider.TickFrequency}"
+                    Orientation="{TemplateBinding Slider.Orientation}"
+                    Minimum="{TemplateBinding Slider.Minimum}"
+                    Maximum="{TemplateBinding Slider.Maximum}"
+                    Height="{DynamicResource SliderOutsideTickBarThemeHeight}"
+                    Margin="0,0,0,4"
+                    VerticalAlignment="Bottom"
+                    Placement="Top"
+                    IsVisible="False"
+                    IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                    Fill="{DynamicResource SliderTickBarFill}"/>
+                  <TickBar
+                    Name="BottomTickBar"
+                    Grid.Row="2"
+                    Grid.ColumnSpan="3"
+                    Ticks="{TemplateBinding Ticks}"
+                    TickFrequency="{TemplateBinding Slider.TickFrequency}"
+                    Orientation="{TemplateBinding Slider.Orientation}"
+                    Minimum="{TemplateBinding Slider.Minimum}"
+                    Maximum="{TemplateBinding Slider.Maximum}"
+                    Height="{DynamicResource SliderOutsideTickBarThemeHeight}"
+                    Margin="0,4,0,0"
+                    VerticalAlignment="Top"
+                    Placement="Bottom"
+                    IsVisible="False"
+                    IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                    Fill="{DynamicResource SliderTickBarFill}" />
+                  <Track
+                    Name="PART_Track"
+                    Grid.Row="1"
+                    Grid.ColumnSpan="3"
+                    Minimum="{TemplateBinding Minimum}"
+                    Maximum="{TemplateBinding Maximum}"
+                    Value="{TemplateBinding Value, Mode=TwoWay}"
+                    IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                    Orientation="Horizontal">
+                    <Track.DecreaseButton>
+                      <RepeatButton
+                        Name="PART_DecreaseButton"
+                        Theme="{StaticResource FluentSliderHorizontalRepeatButton}"
+                        Background="{TemplateBinding Foreground}"
+                        Focusable="False"/>
+                    </Track.DecreaseButton>
+                    <Track.IncreaseButton>
+                      <RepeatButton
+                        Name="PART_IncreaseButton"
+                        Theme="{StaticResource FluentSliderHorizontalRepeatButton}"
+                        Background="{TemplateBinding Background}"
+                        Focusable="False"/>
+                    </Track.IncreaseButton>
+                    <Thumb
+                      Name="thumb"
+                      Width="{DynamicResource SliderHorizontalThumbWidth}"
+                      Height="{DynamicResource SliderHorizontalThumbHeight}"
+                      Margin="0"
+                      Padding="0"
+                      Background="{DynamicResource SliderThumbBackground}"
+                      Theme="{StaticResource FluentSliderThumbTheme}"
+                      DataContext="{TemplateBinding Value}"/>
+                  </Track>
                 </Grid>
+              </Grid>
             </Border>
           </DataValidationErrors>
         </ControlTemplate>
@@ -234,94 +228,94 @@
         <ControlTemplate>
           <DataValidationErrors>
             <Border
-                BorderBrush="{TemplateBinding BorderBrush}"
-                BorderThickness="{TemplateBinding BorderThickness}"
-                CornerRadius="{TemplateBinding CornerRadius}">
-                <Grid x:Name="SliderContainer"
-                      Grid.Row="1"
-                      Background="{DynamicResource SliderContainerBackground}"
-                      Margin="{TemplateBinding Padding}">
-                  <Grid.Styles>
-                    <Style Selector="TickBar">
-                      <Setter Property="ReservedSpace" Value="{Binding #PART_Track.Thumb.Bounds}" />
-                    </Style>
-                  </Grid.Styles>
-                  <Grid
-                      x:Name="VerticalTemplate"
-                      MinWidth="{DynamicResource SliderVerticalWidth}"
-                      RowDefinitions="*,Auto,Auto">
-                    <Grid.ColumnDefinitions>
-                      <ColumnDefinition Width="{DynamicResource SliderPreContentMargin}" />
-                      <ColumnDefinition Width="Auto" />
-                      <ColumnDefinition Width="{DynamicResource SliderPostContentMargin}" />
-                    </Grid.ColumnDefinitions>
-                    <TickBar
-                        Name="LeftTickBar"
-                        Grid.RowSpan="3"
-                        Ticks="{TemplateBinding Ticks}"
-                        TickFrequency="{TemplateBinding Slider.TickFrequency}"
-                        Orientation="{TemplateBinding Slider.Orientation}"
-                        Minimum="{TemplateBinding Slider.Minimum}"
-                        Maximum="{TemplateBinding Slider.Maximum}"
-                        Width="{DynamicResource SliderOutsideTickBarThemeHeight}"
-                        Margin="0,0,4,0"
-                        HorizontalAlignment="Right"
-                        Placement="Left"
-                        IsVisible="False"
-                        IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
-                        Fill="{DynamicResource SliderTickBarFill}"/>
-                    <TickBar
-                        Name="RightTickBar"
-                        Grid.RowSpan="3"
-                        Grid.Column="2"
-                        Ticks="{TemplateBinding Ticks}"
-                        TickFrequency="{TemplateBinding Slider.TickFrequency}"
-                        Orientation="{TemplateBinding Slider.Orientation}"
-                        Minimum="{TemplateBinding Slider.Minimum}"
-                        Maximum="{TemplateBinding Slider.Maximum}"
-                        Width="{DynamicResource SliderOutsideTickBarThemeHeight}"
-                        Margin="4,0,0,0"
-                        HorizontalAlignment="Left"
-                        Placement="Right"
-                        IsVisible="False"
-                        IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
-                        Fill="{DynamicResource SliderTickBarFill}"/>
-                    <Track
-                        Name="PART_Track"
-                        Grid.RowSpan="3"
-                        Grid.Column="1"
-                        Grid.ColumnSpan="1"
-                        Minimum="{TemplateBinding Minimum}"
-                        Maximum="{TemplateBinding Maximum}"
-                        Value="{TemplateBinding Value, Mode=TwoWay}"
-                        IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
-                        Orientation="Vertical">
-                      <Track.DecreaseButton>
-                        <RepeatButton
-                            Name="PART_DecreaseButton"
-                            Theme="{StaticResource FluentSliderVerticalRepeatButton}"
-                            Background="{TemplateBinding Foreground}"
-                            Focusable="False"/>
-                      </Track.DecreaseButton>
-                      <Track.IncreaseButton>
-                        <RepeatButton
-                            Name="PART_IncreaseButton"
-                            Background="{TemplateBinding Background}"
-                            Theme="{StaticResource FluentSliderVerticalRepeatButton}"
-                            Focusable="False"/>
-                      </Track.IncreaseButton>
-                      <Thumb
-                          Name="SliderThumb"
-                          Width="{DynamicResource SliderVerticalThumbWidth}"
-                          Height="{DynamicResource SliderVerticalThumbHeight}"
-                          Margin="0"
-                          Padding="0"
-                          Background="{DynamicResource SliderThumbBackground}"
-                          Theme="{StaticResource FluentSliderThumbTheme}"
-                          DataContext="{TemplateBinding Value}" />
-                    </Track>
-                  </Grid>
+              BorderBrush="{TemplateBinding BorderBrush}"
+              BorderThickness="{TemplateBinding BorderThickness}"
+              CornerRadius="{TemplateBinding CornerRadius}">
+              <Grid x:Name="SliderContainer"
+                    Grid.Row="1"
+                    Background="{DynamicResource SliderContainerBackground}"
+                    Margin="{TemplateBinding Padding}">
+                <Grid.Styles>
+                  <Style Selector="TickBar">
+                    <Setter Property="ReservedSpace" Value="{Binding #PART_Track.Thumb.Bounds}" />
+                  </Style>
+                </Grid.Styles>
+                <Grid
+                  x:Name="VerticalTemplate"
+                  MinWidth="{DynamicResource SliderVerticalWidth}"
+                  RowDefinitions="*,Auto,Auto">
+                  <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="{DynamicResource SliderPreContentMargin}" />
+                    <ColumnDefinition Width="Auto" />
+                    <ColumnDefinition Width="{DynamicResource SliderPostContentMargin}" />
+                  </Grid.ColumnDefinitions>
+                  <TickBar
+                    Name="LeftTickBar"
+                    Grid.RowSpan="3"
+                    Ticks="{TemplateBinding Ticks}"
+                    TickFrequency="{TemplateBinding Slider.TickFrequency}"
+                    Orientation="{TemplateBinding Slider.Orientation}"
+                    Minimum="{TemplateBinding Slider.Minimum}"
+                    Maximum="{TemplateBinding Slider.Maximum}"
+                    Width="{DynamicResource SliderOutsideTickBarThemeHeight}"
+                    Margin="0,0,4,0"
+                    HorizontalAlignment="Right"
+                    Placement="Left"
+                    IsVisible="False"
+                    IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                    Fill="{DynamicResource SliderTickBarFill}"/>
+                  <TickBar
+                    Name="RightTickBar"
+                    Grid.RowSpan="3"
+                    Grid.Column="2"
+                    Ticks="{TemplateBinding Ticks}"
+                    TickFrequency="{TemplateBinding Slider.TickFrequency}"
+                    Orientation="{TemplateBinding Slider.Orientation}"
+                    Minimum="{TemplateBinding Slider.Minimum}"
+                    Maximum="{TemplateBinding Slider.Maximum}"
+                    Width="{DynamicResource SliderOutsideTickBarThemeHeight}"
+                    Margin="4,0,0,0"
+                    HorizontalAlignment="Left"
+                    Placement="Right"
+                    IsVisible="False"
+                    IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                    Fill="{DynamicResource SliderTickBarFill}"/>
+                  <Track
+                    Name="PART_Track"
+                    Grid.RowSpan="3"
+                    Grid.Column="1"
+                    Grid.ColumnSpan="1"
+                    Minimum="{TemplateBinding Minimum}"
+                    Maximum="{TemplateBinding Maximum}"
+                    Value="{TemplateBinding Value, Mode=TwoWay}"
+                    IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                    Orientation="Vertical">
+                    <Track.DecreaseButton>
+                      <RepeatButton
+                        Name="PART_DecreaseButton"
+                        Theme="{StaticResource FluentSliderVerticalRepeatButton}"
+                        Background="{TemplateBinding Foreground}"
+                        Focusable="False"/>
+                    </Track.DecreaseButton>
+                    <Track.IncreaseButton>
+                      <RepeatButton
+                        Name="PART_IncreaseButton"
+                        Background="{TemplateBinding Background}"
+                        Theme="{StaticResource FluentSliderVerticalRepeatButton}"
+                        Focusable="False"/>
+                    </Track.IncreaseButton>
+                    <Thumb
+                      Name="SliderThumb"
+                      Width="{DynamicResource SliderVerticalThumbWidth}"
+                      Height="{DynamicResource SliderVerticalThumbHeight}"
+                      Margin="0"
+                      Padding="0"
+                      Background="{DynamicResource SliderThumbBackground}"
+                      Theme="{StaticResource FluentSliderThumbTheme}"
+                      DataContext="{TemplateBinding Value}" />
+                  </Track>
                 </Grid>
+              </Grid>
             </Border>
           </DataValidationErrors>
         </ControlTemplate>