From Linux NFS
Distribution Support Schedule
Enterprise Linux 6 compatible distributions, including Oracle Linux 6, CentOS 6, and RHEL 6 derive their fedfs-utils support from EPEL 6.
fedfs-utils 0.9.x will be supported in EPEL 6 until EPEL 6's EOL.
Red Hat Enterprise Linux 7 and distributions based on it (Oracle Linux, CentOS) have fedfs-utils 0.10.x as a technology preview.
The Fedora release schedule can be found here.
Fedora 18 reached EOL January 14, 2014. The final release of the fedfs-utils package for Fedora 18 is fedfs-utils-0.9.4.
fedfs-utils-0.9.x will be supported in Fedora 19 until Fedora 19's EOL.
fedfs-utils-0.10.x will be supported in Fedora 20 until Fedora 20's EOL.
fedfs-utils-0.10.x will be supported in Fedora 21 until Fedora 21's EOL.
fedfs-utils-0.10.x is packaged in the current rawhide distribution.
fedfs-utils in not included in any SUSE Linux Enterprise release yet, though there is a good chance of inclusion in SLE-12 or the first service pack: SLE-12-SP1.
fedfs-utils 0.10.0 is in openSUSE:Factory and so is on track to be in openSUSE:13.2.