New Post: AvalonDock loses control state in Release V2.3.0

Is there any update this issue? I am having a similar problem. Through trial and error, I found that is has something to do with the template applied to the LayoutDocumentControl, at least when using VS2010Theme. When I change the template definition in v2.4 to that of v2.1, it works.

VS2010/Themes.xaml v2.1 (works):

<Style TargetType="{x:Type avalonDockControls:LayoutDocumentControl}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type avalonDockControls:LayoutDocumentControl}">
                    <Border Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}">
                        <ContentPresenter Content="{Binding LayoutItem.View, RelativeSource={RelativeSource TemplatedParent}}"/>
                        <!--<ContentPresenter Content="{Binding Model.Content, RelativeSource={RelativeSource TemplatedParent}}" 
                                          ContentTemplate="{Binding LayoutItemTemplate, Mode=OneWay, RelativeSource={RelativeSource AncestorType={x:Type avalonDock:DockingManager}, Mode=FindAncestor}}"
                                          ContentTemplateSelector="{Binding LayoutItemTemplateSelector, Mode=OneWay, RelativeSource={RelativeSource AncestorType={x:Type avalonDock:DockingManager}, Mode=FindAncestor}}"/>-->
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

VS2010/Themes.xaml v2.4 (does not work):

<Style TargetType="{x:Type avalonDockControls:LayoutDocumentControl}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type avalonDockControls:LayoutDocumentControl}">
                    <Border Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}">
                  <ContentPresenter Content="{Binding LayoutItem.View.Content, RelativeSource={RelativeSource TemplatedParent}}"
                                    ContentTemplate="{Binding LayoutItem.View.ContentTemplate, RelativeSource={RelativeSource TemplatedParent}}"
                                    ContentTemplateSelector="{Binding LayoutItem.View.ContentTemplateSelector, RelativeSource={RelativeSource TemplatedParent}}" />
               </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>