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12w49a is the first snapshot for Java Edition 1.4.6, released on December 7, 2012,[1] which added nether brick slabs, enchanted books and fireworks.

Additions[]

Blocks[]

Nether Brick Slabs

Items[]

Enchanted Books
  • Used for enchanting items.
    • In this snapshot due to a bug, any item could be given any enchantment in survival mode using an anvil.
Firework Rocket
  • New kind of shootable projectible.
    • Sound effects will come soon.
  • Fireworks are customizable by crafting
Firework Star

Changes[]

Blocks[]

General
Cobwebs

Items[]

Shears

Mobs[]

Ghasts
  • The blast radius of fireballs a specific Ghast shoots can be customized with an editor.

Removals[]

General[]

Distance effects
  • Falling Block behavior has changed - they are no longer capable of infinitely producing dropped items at high coordinate values.

Fixes[]

16 issues fixed
From released versions before 1.4.6
  • MC-96 – using the number keys to move an item out of a furnace does not give XP.
  • MC-256 – Mobs can still revert farmland to dirt even if mobGriefing gamerule is set on false.
  • MC-498 – Setting an enderman on fire with flint and steel, or lava, will not make it teleport away.
  • MC-721 – Animals on fire do not flee.
  • MC-1140 – Boats always get placed in the same direction and not based on how they get placed.
  • MC-1240 – Endermen cannot dodge flame arrow. When the arrow is shot the Enderman moves out of the way but is still set on fire.
  • MC-1311 – When entering the Nether, the game auto-selects the first item on the toolbar.
  • MC-1847Leaves have the incorrect tool tip.
  • MC-2145 – "Drowning" in Creative mode.
  • MC-2504 – Enchant command cannot enchant with ID 0 (Protection).
  • MC-3332 – The XP level-up sound, which appears every 5 levels, does not play.
  • MC-3490Minecarts and falling entities flicker.
  • MC-3501 – Passive mob spawn eggs are not consumed upon use.
  • MC-3565 – Endermen do not open their mouth when attacked by other mobs.
  • MC-4069 – Pressing F3 + B displays hitboxes rendering invisibility potions useless.
  • MC-4117 – The wither can sometimes destroy its own star due to the posthumous detonation of wither skulls.

References[]

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