Minecraft wiki entry for Development_versions, associated text: Added stray cats which can be tamed.
Drops 0–2 string.
Tamed cats will sleep or sit on the owner if they go to sleep in a bed.
When the owner wakes up from the bed, the owner will receive a "gift", based on a loot table.
The possible gifts are: string, raw chicken, feather, rabbit hide, rabbit's foot, rotten flesh or phantom membrane.
Cat collars can now be dyed.
Added seven new cat skins.
Will hiss at phantoms.