Java Edition 15w33c

15w33c was released to fix some bugs and crashes from 15w33a and 15w33b.

Additions

 * Shields
 * Can be combined with banners of the same color, does not consume the banner.
 * You cannot attack while blocking.
 * Crafting recipe: One column of wool (of the same color), one column of wood, an iron ingot in the middle on the last column.
 * Holding right click when attacked reduces damage and durability of the shield.
 * Can only be repaired on the anvil, requires wood.

Changes

 * Ender dragons
 * Respawned ender dragons drop 500 experience
 * Respawning the dragon now respawns the circle of pillars, including the crystals.
 * This can also make some of the pillars taller and shorter.
 * There are explosions at the tops of the pillars as they are being rebuilt.
 * Swords
 * Can no longer be used for blocking.
 * Splash potions
 * Can now be put into brewing stands.
 * Ender crystals
 * New  tag for ender crystals
 * Example:
 * Skeletons, Creepers, and Zombies
 * Detection range for players wearing the corresponding mob head adjusted, now 37.5% of the normal range.