I found this info from site. It seems there is leaked info out there but not much info yet. New expansion is comming and it's called BVR: "Bunnymen Vicious Revenge"
-New race bunnymen. Mysterious creatures who seek for revenge.
-Improved pet battle system. Now you can gear your pets with silly costumes.
-Heroic raids now added in LFR. In LFR heroic raids players will have 40% damage and healing buff against bosses.
-Level cap raised to 95
-More daily quests and pets added to game
-And much much more