Java Edition 14w20a

14w20a is the twenty-third snapshot released for 1.8.

Additions

 * Commands
 * Can make text display on a players screen in the form of a title and/or subtitle
 * Set the fade in time, the stay on screen time and the fade out time for the title
 * Set and start showing the title
 * Set and start the subtitle
 * Clear titles immediately
 * Reset all title parameters to defaults (fade times)
 * Set and start the subtitle
 * Clear titles immediately
 * Reset all title parameters to defaults (fade times)
 * Clear titles immediately
 * Reset all title parameters to defaults (fade times)
 * Reset all title parameters to defaults (fade times)

Changes

 * Commands
 * Now has a  argument
 * Allows to print player's names
 * Example:  will print everyone who is on TeamRed
 * Also works with
 * Caverns
 * Now generate on the surface of desert, mesa, mega taiga and mushroom biomes
 * Tab list
 * Made tab-list more consistent and a little prettier when using health display objective.
 * Now groups together teams
 * Now sorts players by name
 * Spectator mode
 * Adjusting fly speed in spectator mode now works vertically too.
 * World borders
 * If you’re stuck outside the world border, it is possible to freely fly/walk around (not possible to freely walk through the border from the inside though)
 * F3 debug screen
 * The 'Towards Positive/Negative X/Z' is back
 * Block meta data
 * Blocks no longer have bits for meta data, the freed up bits are now used for block ids (dynamically)
 * Slimes
 * "Slime sizing was moved to a post-spawn method, so the slime's canSpawn method would report spawnability based on the initial size, not the final size. There is an added secondary check which fixes the issue."
 * "Slime sizing was moved to a post-spawn method, so the slime's canSpawn method would report spawnability based on the initial size, not the final size. There is an added secondary check which fixes the issue."

Fixes
From released versions before 1.8
 * – Mobs treat any layered snow as non-solid
 * – Scoreboard: player does not appear in sidebar after setting initial score to zero
 * – 32000 Command block character limit only works as a 16000 character limit within Minecraft
 * – Knockback distance incorrect, depends on login order

From the 1.8 snapshots
 * – Interacting with invalid villagers crashes the game
 * – Surface dungeons generating without spawner, chests, and most of floor
 * – Leaves, Block of Redstone, TNT and Glowstone cause suffocation damage
 * – Wither destroying barrier block
 * – Mob Dungeon spawning without floor / with broken chests / overwritten spawner
 * – Creeper explosion animation missing if  set to false
 * – Slime spawning
 * – Leads don't show knot on fence posts and cannot be right clicked
 * – Chest not openable with item frame on, standing too close
 * – Cats and dogs teleporting into leaves and rails, causing them to suffocate
 * – clears sidebar for other scoreboard objectives
 * – Renamed items not displaying name in item frames after respawn
 * – Staying outside border makes you unable to move at all
 * – Debug screen: Facing towards negative/Positive X/Z removed
 * – Sliders have incorrect values causing world to never be created
 * – footstep, hugeexplosion and largeexplode particles don't appear
 * – doesn't work on a player that's not on a scoreboard, but also does work