So hey, changes coming with the new patches.
Minecraft Realms changes
Support for Java 5 and PowerPC users will be dropped
If you have a PowerPC based computer and/or Java 5 installed, a warning will be shown at the main menu.
An update for the launcher
Increases performance and stability
Allows LWJGL to be updated, fixing many launcher bugs
Supports Multiple Versions/Installs.
New password storing system
More user friendly.
A major step towards the Plugin API.
The longer you spend in one area, the harder it gets.
Minecraft day cycles
During winter, shorter days and nights.
Various new mobs
Player will be able to ride them.
Can wear armor and be bound to fences