Set FontWeight to Normal
MODIFY
WalletWasabi.Fluent/Views/Shell/NetworkBadgeView.axaml
WalletWasabi.Fluent/Views/Shell/NetworkBadgeView.axaml
</Style>
<Style Selector="Border.NetworkBadge TextBlock">
<Setter Property="Margin" Value="5" />
- <Setter Property="FontWeight" Value="Thin" />
+ <Setter Property="FontWeight" Value="Normal" />
<Setter Property="Foreground" Value="White" />
</Style>
</UserControl.Styles>

Set FontWeight to Normal