change : "controlStyles[1].styles[5]": "Background:=<AcrylicBrush FallbackColor=\"#BF655666\" />", to "controlStyles[1].styles[5]": "Background:=<SolidColorBrush Color==\"#BF655666\" />", work perfectly on Windows 11 pro.  This theme is awsome !!!
change : "controlStyles[1].styles[5]": "Background:=<AcrylicBrush FallbackColor="#BF655666" />",
to "controlStyles[1].styles[5]": "Background:=<SolidColorBrush Color=="#BF655666" />",
work perfectly on Windows 11 pro.
This theme is awsome !!!