In the table for a ruby package https://src.fedoraproject.org/rpms/ruby is mentioned for Fedora 33 version 3.1.2.
But in koji build is version 2.7.1 https://koji.fedoraproject.org/koji/buildinfo?buildID=1567804
Something is interpreted wrongly. Just for information: Rubygems are RPM is provided from ruby SRPM and from rubygems SRPM.
Adding to CC @vondruch
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