The upstream for most other packages generally move much more slowly than the kernel. The fast ones (e.g. X11, systemd, QEMU) are typically rebased every other

The upstream for most other packages generally move much more slowly than the kernel. The fast ones (e.g. X11, systemd, QEMU) are typically rebased every other update or so (meaning, roughly once a year). It also helps that Red Hat employs a lot of core developers for those fast moving packages. :)