Java Edition 14w30b

14w30b was released to fix some bugs and crashes in the 14w30a snapshot.

Tweaks

 * Mobs
 * Charged creeper explosions will no longer yield more than one mob head

Fixes
12 bugs fixed

From released versions before 1.8
 * – The fullscreen / windowed mode toggle status is inconsistent when using hotkeys
 * – Game freezes sporadically (0-3 fps) for varying periods of time
 * – Can't place End portal block in the End using commands

From the 1.8 snapshots
 * – Not powered Iron Door has status ' '
 * –  tag not working in
 * – Water flows the speed of lava
 * – clocks aren't working
 * – Debug profiling crash:
 * – Chests, signs, and ender chests do not render in empty chunks
 * – Destroying the last block model in a chunk causes ghost blocks
 * – Keep dying just after respawning

From the previous snapshot
 * – Chunks don't reload until the mouse moves