File (click to download) Version Description Downloads Date Filesize DL OCS-install MD5SUM Windows11-Sddm.tar.xz 0.2.4 25857 2023-08-14 0.97 MB
The theme is most likely not ported to plasma 6 by the creator like instructed here.
You might be able to fix it yourself, but I recommend you wait and hope the creator ports it, or use another theme that is ported.