DataContext binding error in 11.2.2

[Coloryr]

at 11.1.4

at 11.2.2

[Coloryr]

but in TabControl is work

<DataTemplate DataType="dialogmodel:CreateInstanceOtherModel">
    <DockPanel>
        <StackPanel
            HorizontalAlignment="Center"
            DockPanel.Dock="Bottom"
            Orientation="Horizontal">
            <Button
                Width="100"
                Height="35"
                Classes="top"
                Command="{Binding Done}"
                Content="{lang:Localize Button.Confirm}" />
            <Button
                Width="100"
                Height="35"
                Margin="20,0,0,0"
                Classes="top"
                Command="{Binding Cancel}"
                Content="{lang:Localize Button.Cancel}"
                IsVisible="{Binding HaveCancel}" />
        </StackPanel>
        <!--  is no work  -->
        <dialogview:InstanceSettingControl DataContext="{Binding}" />
        <TabControl Margin="0,0,0,10">
            <TabItem>
                <TabItem.Header>
                    <TextBlock FontSize="16" Text="{lang:Localize MainWindow.Text42}" />
                </TabItem.Header>
                <!--  is work  -->
                <dialogview:InstanceSettingControl DataContext="{Binding}" />
            </TabItem>
            <TabItem>
                <TabItem.Header>
                    <TextBlock FontSize="16" Text="{lang:Localize MainWindow.Text23}" />
                </TabItem.Header>
                <Decorator Child="{Binding Control}" />
            </TabItem>
        </TabControl>
    </DockPanel>
</DataTemplate>

[SKProCH]

Sounds like an avalonia bug...

Btw, why you are setting DataContext to the current DataContext (DataContext="{Binding}")?