Artemis/src/Artemis.UI.Windows/Screens/Update/UpdateDialogView.axaml

<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:update="clr-namespace:Artemis.UI.Windows.Screens.Update"
        xmlns:controls="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
        x:Class="Artemis.UI.Windows.Screens.Update.UpdateDialogView"
        x:DataType="update:UpdateDialogViewModel"
        Title="Artemis | Update available"
        Width="750"
        MinWidth="750"
        Height="500"
        WindowStartupLocation="CenterOwner">
    <Grid Margin="15" RowDefinitions="Auto,*,Auto">

        <TextBlock Grid.Row="0" Classes="h4">
            A new Artemis update is available! 🥳
        </TextBlock>

        <StackPanel Grid.Row="1" IsVisible="{CompiledBinding RetrievingChanges}" VerticalAlignment="Center" HorizontalAlignment="Center">
            <TextBlock>Retrieving changes...</TextBlock>
            <ProgressBar IsIndeterminate="True"></ProgressBar>
        </StackPanel>

        <Border Grid.Row="1" Classes="card" IsVisible="{CompiledBinding !RetrievingChanges}">
            <Grid RowDefinitions="Auto,*">
                <StackPanel Grid.Row="0">
                    <StackPanel Orientation="Horizontal">
                        <TextBlock Text="You are currently running build " />
                        <TextBlock Text="{CompiledBinding CurrentBuild, Mode=OneWay}"></TextBlock>
                        <TextBlock Text=" while the latest build is " />
                        <TextBlock Text="{CompiledBinding LatestBuild, Mode=OneWay}"></TextBlock>
                        <TextBlock Text="." />
                    </StackPanel>

                    <TextBlock Text="Updating Artemis will give you the latest bug(fixes), features and improvements." />
                    <Separator Classes="card-separator" />

                    <TextBlock Classes="h5" IsVisible="{CompiledBinding HasChanges}">
                        Changelog (auto-generated)
                    </TextBlock>
                </StackPanel>

                <ScrollViewer Grid.Row="1" VerticalAlignment="Top" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto" IsVisible="{CompiledBinding HasChanges}">
                    <ItemsControl Items="{CompiledBinding Changes}">
                        <ItemsControl.ItemTemplate>
                            <DataTemplate>
                                <Grid ColumnDefinitions="Auto,*">
                                    <TextBlock Text="•" Margin="10 0" />
                                    <TextBlock Grid.Column="1" Text="{Binding}" TextWrapping="Wrap" />
                                </Grid>
                            </DataTemplate>
                        </ItemsControl.ItemTemplate>
                    </ItemsControl>
                </ScrollViewer>

                <StackPanel Grid.Row="1" IsVisible="{CompiledBinding !HasChanges}" VerticalAlignment="Center" HorizontalAlignment="Center">
                    <TextBlock HorizontalAlignment="Center">We couldn't retrieve any changes</TextBlock>
                    <controls:HyperlinkButton NavigateUri="https://github.com/Artemis-RGB/Artemis/commits/master" HorizontalAlignment="Center">View online</controls:HyperlinkButton>
                </StackPanel>
            </Grid>
        </Border>

        <StackPanel HorizontalAlignment="Right" Orientation="Horizontal" Spacing="5" Grid.Row="2" Margin="0 15 0 0">
            <Button Classes="accent" Command="{CompiledBinding Install}">Install update</Button>
            <Button Command="{CompiledBinding AskLater}">Ask later</Button>
        </StackPanel>
    </Grid>
</Window>