RPMs for 3.4.6beta1 are available for testing at http://download.gluster.org/pub/gluster/glusterfs/qa-releases/3.4.6beta1/

Above repo contains RPMs for CentOS/ EL 5, 6, 7 and Fedora 19, 20, 21, 22. Packages for other platforms/distributions will be available once they are build.

If you find any issue with the RPMs please report them to gluster community @ http://www.gluster.org/community/index.html