Fedora runs at a twice annual release model and includes kernel and firmware updates within those releases whereas Ubuntu matches a kernel with a release.

Their packages, to me, feel much higher quality in terms of reliability and reaction time to reported bugs. They also test and guarantee updates for packages in their repos. I ran my college laptop through 15 system upgrades without any issues, nothing has been that reliable for me.

I enjoyed using Ubuntu for several years and hadn't considered Fedora until they were the first to default to Wayland (f21) and never switched again.

You can do anything on any distro, so you end up just shopping for your fav package manager and default repo and staying there. I encourage you to play with all of them with a separated /home partition or so it's easy to shop.