Fedora 19, Codename : Schrodinger's Cat (features)
1) GCC 4.8 : The latest GNU Compiler Collection will be releasing on April of this year will be added in Fedora 19.
2) Ruby 2.0.0 : Ruby language will be added into Schrodinger's Cat,Ruby 2.0.0 has speed improvements alongwith backward compatibility with Ruby 1.9
3) PyXML : PyXML's been dead since many years, it'll be removed in next distro.
4) EarlyVideo : Earlyvideo is Opensource video streaming server which supports streaming of Flash,SetTopBox,Android & iPad platforms. As written in Erlang language sometimes it's referred as Erlvideo.
5) MariaDB : Red Hat is planning of replacing mySQL with MariaDB, mySQl will be available in Fedora repositories in Schrodinger's Cat but in Fedora 20 it will be totally removed.So,Fedora servers likely to get time to switch over MySQL.Anyhow, this news aren't cent percent sure .
"Fedora : Schrodinger's Cat -- is the name most voted over : Loch Ness Monster, Martian Blueberries,Higgs Boson,Newtonian Dynamics,Cubical Calf,Tidalik & Parabolic Potassium"