Set MinimumPrefixLength
MODIFY
WalletWasabi.Fluent/Views/Wallets/Receive/ReceiveView.axaml
WalletWasabi.Fluent/Views/Wallets/Receive/ReceiveView.axaml
RestrictInputToSuggestions="False"
Watermark="{StaticResource LabelsWatermarkText}"
Suggestions="{Binding Suggestions}">
+ <c:TagsBox.Styles>
+ <Style Selector="c|TagsBox AutoCompleteBox">
+ <Setter Property="MinimumPrefixLength" Value="0" />
+ </Style>
+ </c:TagsBox.Styles>
<i:Interaction.Behaviors>
<behaviors:FocusOnAttachedBehavior />
</i:Interaction.Behaviors>

Set MinimumPrefixLength