Alright, I just say that Jeremy already filed a bug for libfmt not being available in unstable: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1114025
So, I updated the package to fix the issue for the time being: https://mentors.debian.net/package/justbuild/#upload-1 @Santagio, would you be so kind to sponsor the upload or should I file an RFS for that? Some background on the issue: libfmt (>=10.0.0,<11.1.0) causes a bug with newer clang versions (>=20). This was fixed in version 11.1.0 (https://github.com/fmtlib/fmt/commit/6797f0c3). Hence, my fix becomes obsolete once Jeremy's bug is resolved and libfmt>=11.1.0 lands in unstable.
