Java Edition 15w37a

15w37a is the twentieth snapshot released for 1.9.

Additions
New gamerule added to disable chunk generation for spectators.

New Superflat Selection - The Void

Changes
Hardcore mode now puts you in spectator mode instead of deleting your worlds.

Can use Bows in the offhand now.

Shields now have a new crafting recipe and appearance has changed.

-However they can be changed back to the patterned shield from before by crafting it with a Banner.