Replace with the font from the latest Cascadia Mono.
Source: "https://github.com/microsoft/cascadia-code/releases/download/v1911.21/CascadiaMono.ttf"
DELETE
WalletWasabi.Gui/Assets/Cascadia.ttf
WalletWasabi.Gui/Assets/Cascadia.ttf
Binary files a/WalletWasabi.Gui/Assets/Cascadia.ttf and /dev/null differ

ADD
WalletWasabi.Gui/Assets/CascadiaMono.ttf
WalletWasabi.Gui/Assets/CascadiaMono.ttf
Binary files /dev/null and b/WalletWasabi.Gui/Assets/CascadiaMono.ttf differ

MODIFY
WalletWasabi.Gui/Styles/Styles.xaml
WalletWasabi.Gui/Styles/Styles.xaml
<sys:Double x:Key="FontSizeSmall">12</sys:Double>
<sys:Double x:Key="FontSizeNormal">14</sys:Double>
<sys:Double x:Key="FontSizeLarge">16</sys:Double>
- <FontFamily x:Key="MonospacedFont">avares://WalletWasabi.Gui/Assets#Cascadia Code</FontFamily>
+ <FontFamily x:Key="MonospacedFont">avares://WalletWasabi.Gui/Assets#Cascadia Mono</FontFamily>
<converters:ErrorSeverityColorConverter x:Key="ErrorSeverityColorConverter" />
<converters:ErrorDescriptorToBorderColorConverter x:Key="ErrorDescriptorToBorderColorConverter" />
</Style.Resources>

Replace with the font from the latest Cascadia Mono.

Source: "https://github.com/microsoft/cascadia-code/releases/download/v1911.21/CascadiaMono.ttf"