Your bug report

#64780: 30.0.50; set-face-attribute can not set the medium weight of IBM Plex Mono on Windows 10

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 64780@debbugs.gnu.org.

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64780: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64780
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