Answer
@vwbusguy I did not know this
@vwbusguy
I thought upgrade is used to migrate to the newest version of Fedora like from 35 to 36 😅
@thisisfilber7 That's system-upgrade :-)
@vwbusguy
I thought fedora replaced yum with dnf.
Man, I remember playing with yum in the early-to-mid naughties.
SO much nicer than raw rpm.
Answer
yum upgrade implied the --obsoletes flag and was equivalent to `yum update --obsoletes`, which would attempt to clean up previously installed but unnecessary dependencies during the update process.