The community-forked version of Mandriva has notable changes in Mageia 4 Alpha 2 of improved RAID management during installation and upgrading RPM to version 4.11.0. It's shipping with the Linux 3.10.10 kernel, systemd 206, and a fundamental change with this release is moving over to systemd's predictable network interface naming scheme. While it's bringing forth updated packages, GRUB is still the default boot-loader with GRUB2 still being just an option for end-users.
The desktops available in Mageia 4 Alpha 2 include KDE 4.11 and GNOME 3.9.11 (GNOME 3.10 pre-release) while LXDE, Razor-qt, MATE, and Cinnamon are also available.
More details on this updated test release to Mageia 4 can be found via the Wiki release notes. The final release of Mageia 4 isn't expected until February of 2014.