The current font substitution implementation depends on the font set installed on the user's machine, additionally BAS is also unable to distinguish between different versions of the same font family. This can lead to leaks like this https://data.bablosoft.com/arial-test/. Windows 11 uses version 7.01, and Windows 10 uses version 7.00. In the next version we are planning to fix these issues, but in order to achieve this we need to collect as much font data as possible. In this we need the help of users. You can help in several ways.
On Windows:
On Android:
More information about the GetFonts app https://wiki.bablosoft.com/doku.php?id=collect_fonts_android
The more fonts we will collect, the better the next version will be.