Java Edition 14w18b

14w18b was released to fix some of the bugs and crashes of the 14w18a snapshot.

Fixes
From the 1.8 snapshots
 * – TNT produce damage when triggered in water
 * – You can see names the names of invisible players
 * – Downward facing droppers and dispensers only shoot items west

From the previous snapshot
 * – Minecraft crashes when loading world with item frames / placing item frames