Change tx builder to multitextbox.
MODIFY
WalletWasabi.Gui/Controls/WalletExplorer/TransactionBroadcasterView.xaml
WalletWasabi.Gui/Controls/WalletExplorer/TransactionBroadcasterView.xaml
</StackPanel>
</DockPanel>
- <Border BorderThickness="1" BorderBrush="{DynamicResource ThemeBorderHighBrush}" Background="Transparent" Margin="0,8,0,8" Padding="4">
- <i:Interaction.Behaviors>
- <behaviors:CommandOnClickReleaseBehavior Command="{Binding PasteCommand}" />
- </i:Interaction.Behaviors>
- <controls:ExtendedTextBox BorderThickness="0" Margin="0" Padding="0" Text="{Binding TransactionString}" IsReadOnly="{Binding IsBusy}" Watermark="Click here to insert from clipboard" TextWrapping="Wrap" AcceptsReturn="True" CaretIndex="{Binding CaretIndex}">
- <i:Interaction.Behaviors>
- <behaviors:CommandOnClickReleaseBehavior Command="{Binding PasteCommand}" />
- </i:Interaction.Behaviors>
- </controls:ExtendedTextBox>
- </Border>
+ <controls:MultiTextBox Text="{Binding TransactionString}" IsReadOnly="{Binding IsBusy}" Watermark="Click here to insert from clipboard" TextWrapping="Wrap" AcceptsReturn="True" />
</DockPanel>
</Grid>
</controls:GroupBox>

Change tx builder to multitextbox.