@nuitlejour: 1.png shows characters in normal position,
Please specify the text as text instead of just a picture. Sometimes problems are sensitive to the actual text. Since I don't speak Chinese, it would likely take me half an hour to reconstruct that text and it is easy to make mistakes.
@nuitlejour: on Windows 11
That adds to the complexity compared to Linux+Wayland and makes it less likely that this will be fixed.
There is a good chance that choosing a different font will avoid this problem.
@elextr: @nyamatongwe you were thinking of a horizontal movement I suspect.
Yes, but vertical movement is also possible. The Chinese portion of the text appears a little wider (1 pixel extra per character) in the second image.
Text drawing functions may choose from a wide range of shaping and font selection options to match contextual drawing conventions. In this case, it may be following the conventions for a fully Chinese document when it only sees Chinese characters in an isolated string but modifies the positions for mixed language text.
@elextr: Font is Deja Vu Sans Book and Deja Vu Sans Mono Book.
I don't think these fonts include Chinese characters so a substitute font will be used for those characters and the choice of substitute font may be significant. Switching (or not switching) between fonts is a potential cause of these sorts of issues.