From Fedora Project Wiki
rngd
Random number generation is improved by enabling rngd by default.
SysV to systemd
Additional SystemV init scripts are migrated to systemd unit files to improve readability and boot times.
Expanding the admin toolkit with procps-ng
Fedora 18 brings the migration of legacy procps tools to procps-ng. This provides better maintainability, expanded functionality, and better compatibility with scripts ran on other distributions. Users should consult the documentation in /usr/share/doc/procps-* for more information.