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Release Java Edition Major update

Minecraft 1.3.1

Released on 1 August 2012, Minecraft Java Edition 1.3.1 makes single player run on an internal server, so worlds can be opened to LAN. It adds villager trading with Emeralds, Desert Pyramids and Jungle Temples, the Ender Chest, tripwires, the Book and Quill and Adventure mode.

Released 01 Aug 2012

Key takeaways

  • Single player on a server: the game now runs single player on an internal server, and worlds can be opened to players on the same LAN.
  • Trading: villagers buy and sell items for Emeralds, a new ore found only in Extreme Hills.
  • New structures: Desert Pyramids, Jungle Temples with tripwire traps, and desert villages.
  • New blocks and items: Ender Chest, Tripwire Hook, Book and Quill, Block of Emerald, plus slabs and stairs for every wood type and Sandstone Stairs.
  • New options: Adventure mode, cheats in single player, the Bonus Chest and the Large Biomes world type.

Headline features

The changes you will notice first, with the pages that go deeper.

Gameplay

Villager trading

Villagers trade with players using Emeralds as currency. Emerald Ore generates only in Extreme Hills, known today as Windswept Hills.

Blocks

Ender Chest and tripwires

Every Ender Chest opens the same personal inventory, even across dimensions. Tripwire Hooks and String create tripwires for traps.

What changed

TechnicalLower CPU, RAM and bandwidth use, faster chunk loading and fewer lag spikes.
MultiplayerSingle player worlds can be opened to LAN, and LAN worlds are detected on the multiplayer screen.
GameplayThe Creative inventory is rebuilt with category tabs and a search tab.
GameplayMining ores and smelting give experience, and enchanting now tops out at level 30 instead of 50.
ServersNew and extended commands, including /gamemode, /give, /xp, /seed and /tp to coordinates, plus Hardcore on servers, where players are banned when they die.
BlocksLogs can be placed sideways, and slabs and stairs can be placed upside down.
LauncherA demo mode lets players without a premium account play 5 in-game days per world.

How to play 1.3.1

  1. 01

    Open the Minecraft Launcher and select Minecraft: Java Edition.

  2. 02

    Go to Installations, create a new installation and choose version 1.3.1.

  3. 03

    Back up your worlds before opening them in a new version.

From first snapshot to release

1 snapshots, 0 pre-releases and 0 release candidates over 6 days.

  1. 1.325 Jul 2012
  2. 1.3.101 Aug 2012
All 1 test builds →

Minecraft 1.3.1 FAQ

When was Minecraft 1.3.1 released?

On 1 August 2012, the date Mojang had announced in early July. The 1.3.2 bug-fix update followed on 16 August 2012.

Why does single player run on a server since 1.3?

Mojang merged single player and multiplayer to prepare for a planned modding API, so mods would not need separate versions for each mode. A bug fixed in one mode is also fixed in the other.

How do you get Emeralds in 1.3.1?

Mine Emerald Ore, which only generates in Extreme Hills, or trade with villagers, who pay and charge in Emeralds.

How do you play Adventure mode in 1.3.1?

Only through commands, for example /gamemode. It cannot be selected when creating a world in this version.