You can have conflicts are between the version of the packages, see this example:
[root@desk mythcat]# dnf update --refresh
file /usr/share/doc/gstreamer1-plugins-good/README from install of
gstreamer1-plugins-good-1.19.1-1.fc34.i686 conflicts with file from package
gstreamer1-plugins-good-1.18.4-2.fc34.x86_64
This command will fix conflicts are between the version of the packages:
[root@desk mythcat]# dnf remove --duplicates
...
gstreamer1 i686 1.19.1-1.fc34 updates 1.4 M
Reinstalling:
gst-editing-services x86_64 1.19.1-1.fc34 updates 608 k
replacing gst-editing-services.x86_64 1.18.4-1.fc34
gstreamer1 x86_64 1.19.1-1.fc34 updates 1.3 M
replacing gstreamer1.x86_64 1.18.4-2.fc34
gstreamer1-plugins-bad-free x86_64 1.19.1-1.fc34 updates 2.6 M
replacing gstreamer1-plugins-bad-free.x86_64 1.18.4-1.fc34
gstreamer1-plugins-bad-free-extras x86_64 1.19.1-1.fc34 updates 422 k
replacing gstreamer1-plugins-bad-free-extras.x86_64 1.18.4-1.fc34
gstreamer1-plugins-ugly-free x86_64 1.19.1-1.fc34 updates 103 k
replacing gstreamer1-plugins-ugly-free.x86_64 1.18.4-1.fc34
gucharmap x86_64 13.0.8-1.fc34 updates 514 k
replacing gucharmap.x86_64 13.0.7-1.fc34
gucharmap-libs x86_64 13.0.8-1.fc34 updates 1.2 M
replacing gucharmap-libs.x86_64 13.0.7-1.fc34
kernel-headers x86_64 5.12.9-300.fc34 updates 1.2 M
replacing kernel-headers.x86_64 5.12.5-300.fc34
...
The next command will update you Linux distro:
[root@desk mythcat]# dnf update --refresh
Copr repo for dotnet owned by @dotnet-sig 5.1 kB/s | 3.3 kB 00:00
Adobe Systems Incorporated 7.6 kB/s | 2.9 kB 00:00
Fedora 34 - x86_64 58 kB/s | 26 kB 00:00
Fedora 34 - x86_64 - Updates 41 kB/s | 23 kB 00:00
google-chrome 9.0 kB/s | 1.3 kB 00:00
RPM Fusion for Fedora 34 - Free 16 kB/s | 7.9 kB 00:00
RPM Fusion for Fedora 34 - Free - Updates 18 kB/s | 7.9 kB 00:00
RPM Fusion for Fedora 34 - Nonfree 21 kB/s | 8.0 kB 00:00
RPM Fusion for Fedora 34 - Nonfree - Updates 13 kB/s | 8.0 kB 00:00
The Zeek Network Security Monitor. (Fedora_33) 6.6 kB/s | 1.7 kB 00:00
Visual Studio Code 6.0 kB/s | 3.0 kB 00:00
WineHQ packages 9.3 kB/s | 3.2 kB 00:00
Dependencies resolved.
...
gstreamer1-plugins-good-1.19.1-1.fc34.i686
...