Mojang have released a small snapshot for Minecraft, mostly for the purposes of optimisation because they say that they’re gearing up to release the long awaited 1.8 update for the game.
 
Snapshot 14w28a is mainly a snapshot that works behind the scenes to help with smooth client and server running as well as the usual bug fixes that come with one. It does also add the ability to finally specify an enchantment or effect by name rather than with the ID number at last which will make it a lot easier for new map-makers to program effects to be added to players into command blocks if they don’t know the ID number. It’s also since had a b version release to fix new bugs that cropped up with the fixes.
 
Keep an eye on the horizon people, 1.8 might be just around the corner at last!