Fedora 20 for Power is currently in development. We will be attempting to follow primary's Fedora 20 schedule as closely as possible.
With Fedora 20 we will be completing the deprecation of yaboot and replacing it with GRUB2 to boot the install media. Please see bug #998030 for details.
Areas of Focus
Fedora rebuild efforts
There are currently efforts ongoing to recompile all packages and prepare a F-19 release.
This is the current status of the package rebuild: