Java Edition 12w18a

Minecraft 12w18a

Edition	Java Edition
Release date	May 3, 2012
Type	Snapshot
Snapshot for	1.3.1
Downloads	Client (.json) Server (.exe)
Protocol version	32
Minimum Java version	Java SE 5
◄◄  1.2.5 1.3.1 1.3.2 ►► ◄  12w17a 12w18a 12w19a ►

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            "field": "<span class=\"plainlinks\">[https://en.wikipedia.org/wiki/Java_version_history#Java_SE_5 Java SE 5]</span>",
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12w18a is the fourth snapshot for Java Edition 1.3.1, released on May 3, 2012.

This is the first version that makes singleplayer worlds run on a local server, resulting in the use of separate threads for rendering logic and world logic. This change resulted in a large number of broken features, some of which are yet to be fixed in the latest version, and on weak computers can result in server-lag in singleplayer.

Additions

Blocks

Wood, Leaves, Planks, and Stone Bricks Variants

• Now have their proper names (e.g. "Oak Wood", "Birch Leaves", "Spruce Wood Planks", "Mossy Stone Bricks").

Changes

Items

Book and Quills

• Game no longer pauses when writing in a book and quill.

Cocoa Beans

• Now obtainable from jungle tree leaves.

Signs

• Game no longer pauses when writing in a sign.

Wooden Tools

• Can now smelt one item in a furnace.

Mobs

Villagers

• When spawned from spawn eggs, they now get a random profession.

Gameplay

Breaking

• The 1⁄4 second (5 tick) delay between block breaking has been removed for players in Survival. The player can now instantly mine a large amount of blocks in Survival simply by holding destroy if conditions are met.

Hardcore

• Hardcore is now available in multiplayer.

Singleplayer

• Separated server logic and client, therefore singleplayer is now a local server.

Command format

General

• Game no longer pauses when entering a command or pausing the game.

General

Debug screen

• Coordinates are now rounded to 5 digits.
• "ws", "fs" and "g" (Walking speed, flying speed and ground; "g" is true if the player is touching the ground).

Language

• Updated language files.

Texture packs

• Support and auto-download for server texture packs.

Server jar

• The server jar now accepts command-line arguments --demo, --port, --singleplayer, --universe, and --world. The old nogui argument still works for backward compatibility.

Removals

General

Infinite Map Visualizer

• Removed the infinite map visualizer from the game's source code.

Features broken by the internal server

• Many features were broken or significantly changed due to the client-server split, many of which still remain absent from the game.

Distance effects

• The particles from adding an eye of ender to an end portal frame block no longer appear offset if performed at high distances from the world origin.
  • This is due to the fact that they simply did not appear at all from this snapshot onward, which is another bug entirely.
  • This bug resurfaced in Java Edition 19w14a when the aforementioned absent particles bug was fixed.

Player

• The player "Notch" no longer drops an apple in addition to his inventory.

Fixes

4 bugs fixed

• Fixed being unable to switch tools of the same kind in inventory.
• Fixed water destroying non-solid blocks when breaking them from above.
• Fixed picking a block in Creative with a tool in hand causing the tool to be lost.
• Fixed Silk Touch yielding only one slab from double slabs.

Trivia

• In this version, when loading a singleplayer world, one needs to put minecraft.zip/server/minecraft_server.jar into .minecraft/server manually to continue loading.