plasma5-systemmonitor.x86_64: W: explicit-lib-dependency libqt5-qtquickcontrols2
You must let rpm find the library dependencies by itself. Do not put unneeded
explicit Requires: tags.

plasma5-systemmonitor.x86_64: W: files-duplicate /usr/share/licenses/plasma5-systemmonitor/LGPL-3.0-or-later.txt /usr/share/licenses/plasma5-systemmonitor/LGPL-3.0-only.txt
plasma5-systemmonitor.x86_64: W: invalid-desktopfile /usr/share/applications/org.kde.plasma-systemmonitor.desktop file contains key "SingleMainWindow" in group "Desktop Entry", but keys extending the format should start with "X-"
.desktop file is not valid, check with desktop-file-validate

plasma5-systemmonitor-lang.noarch: W: no-version-in-last-changelog
plasma5-systemmonitor.src: W: no-version-in-last-changelog
plasma5-systemmonitor.x86_64: W: no-version-in-last-changelog
The latest changelog entry doesn't contain a version. Please insert the
version that is coherent with the version of the package and rebuild it.

3 packages and 0 specfiles checked; 0 errors, 6 warnings.