Java Edition 14w19a

14w19a is the twenty-second snapshot released for 1.8.

This version was previously removed from the launcher for some time, but was added back in September 2018.

Changes

 * World border
 * The warning, a red-colored aura seen when within a certain distance of the world border
 * Only visible on Fancy graphics
 * Outside the border, the warning is at full strength
 * Inside the border, the warning gradually gets stronger as the player approaches the border
 * If the border is stationary, the warning is first seen as the player passes the warning distance, default 5 blocks from the player's location
 * If the border is shrinking quickly enough, the warning will be first visible at the warning time, default 15 seconds from the player's location
 * New options
 * (default 5) is the distance (in blocks) into the barrier before a player starts to become damaged
 * (default 0.2) is the amount (per block) of damage a player will take, for each block-distance the player is past the barrier's buffer
 * (default 15) is the advance notice given (in seconds) to a player, using the red warning, that a shrinking world border is approaching their location
 * (default 5) is the distance (in blocks) at which the red warning will start to appear, as a player approaches the barrier
 * The border in the Nether is now the same size as that of the Overworld
 * Portals
 * Traveling to the Nether will now not create new portals outside the boundary
 * It is still possible to emerge at an existing portal outside the boundary
 * Spectator mode
 * Spectators now have a UI to teleport to other players
 * Activated by mouse middle-click, or pressing a number key
 * When more than 8 players are available to choose, the sides will be replaced by arrows
 * When teams are set up, teams can be selected individually to only display that team's players
 * Both number keys and the 'pick block'-button together with the scroll wheel can be used to control the interface
 * Teleportation works across dimensions
 * "Far from complete"
 * Pistons & Slime blocks
 * Slime blocks can now push entities sideways and downwards when attached to a piston
 * When they are on the ground, entities are pushed less
 * Slime blocks can now push entities sideways and downwards when attached to a piston
 * When they are on the ground, entities are pushed less

Fixes
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