I can use the English name font in text style as usual.
For example, Verdana and Yu Gothic UI
However, when I select a font with a Japanese name such as "游明朝", it is displayed that the font cannot be found (the font name is prefixed with "?"). It definitely exists because it is included in Japanese Windows 10.
I also can't choose font characteristics (Bold, Italic ...). Affinity doesn't seem to find the font.
This issue seems to occur in all Affinity products on Windows (checked in Designer 1.8.5.703).