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Java Edition 1.12.2-pre1

Minecraft Wiki article. Categories: Java_Edition_development_versions_with_vulnerabilities, Java_Edition_versions, Java_Edition_1.12.2_pre-releases, Java_Edition_pre-releases_released_in_2017, Java_Edition_pre-releases, Pages_with_YouTube_videos

📌 Mirrored from Minecraft Wiki

This article is reproduced from Java Edition 1.12.2-pre1 on the Minecraft Wiki. Mirrored from revision 3505734. It is licensed CC BY-NC-SA 3.0 by the Minecraft Wiki contributors — not under the Codex’s CC BY-SA 4.0, and it may not be used commercially. Edits belong upstream, not here.

On this page
This page covers a development version that has a major issue under certain conditions.
 
The dedicated server for this version has a security vulnerability in the Log4j library that could be used to perform a remote code execution exploit. It can be addressed by appending a certain JVM argument to the server startup command line.[1]
Minecraft 1.12.2-pre1
1.12.2-pre1.png: Infobox image for Minecraft version 'Minecraft 1.12.2-pre1'
Java Edition 1.12.2-pre1.png: Infobox image for Minecraft version 'Minecraft 1.12.2-pre1'
{
    "title": "Minecraft 1.12.2-pre1",
    "images": [
        "1.12.2-pre1.png",
        "Java Edition 1.12.2-pre1.png"
    ],
    "rows": [
        {
            "field": "''(link to Java Edition article, displayed as Java Edition)''",
            "label": "(link to Edition article, displayed as Edition)"
        },
        {
            "field": "September 13, 2017",
            "label": "Release date"
        },
        {
            "field": "(link to Pre-release article, displayed as Pre-release)",
            "label": "(link to Version types article, displayed as Type)"
        },
        {
            "field": "(link to Java Edition 1.12.2 article, displayed as 1.12.2)",
            "label": "Pre-release for"
        },
        {
            "field": "[https://piston-data.mojang.com/v1/objects/97d35764e0cd59b163c765d422a8d7af919bb705/client.jar Client] ([https://piston-meta.mojang.com/v1/packages/ce18ba69f4d0a7947d182b47d7a3bd499d24a1e2/1.12.2-pre1.json .json])<br />[https://piston-data.mojang.com/v1/objects/b81c81335e68731d66ccddc21df0c06d7b9b46ab/server.jar Server]",
            "label": "(link to Tutorial:Installing a version#Manual version installation article, displayed as Downloads)"
        },
        {
            "field": "339",
            "label": "(link to Protocol version article, displayed as Protocol version)"
        },
        {
            "field": "1341",
            "label": "(link to Data version article, displayed as Data version)"
        },
        {
            "field": "3",
            "label": "<span normal;\">(link to Pack format#List of pack formats article, displayed as Resource pack format)</span>"
        },
        {
            "field": "<span class=\"plainlinks\">[https://en.wikipedia.org/wiki/Java_version_history#Java_SE_8_.28LTS.29 Java SE 8]</span>",
            "label": "<span normal;\">Minimum Java version</span>"
        }
    ],
    "invimages": [],
    "footer": "<table auto; word-break: break-word;\">\n<tr inherit;\">\n<td 0.4em\" rowspan=\"2\">[[Java Edition  1.12.1|<span  1.12.1]]</td>\n<td 0.4em\">'''[[Java Edition 1.12.2|1.12.2]]'''</td>\n<td 0.4em\" >[[Java Edition  1.13|  1.13 <span inherit;\">\n\n<td 0.4em\">''' 1.12.2-pre1'''</td>\n<td 0.4em\">\n[[Java Edition  1.12.2-pre2|  1.12.2-pre2 ►]]\n</td>\n</tr>\n</table>"
}

1.12.2-pre1 is the first pre-release for Java Edition 1.12.2, released on September 13, 2017,[2] which includes minor optimizations and a new game logo.

Changes

Title screen

  • New game logo with Minecraft Java Edition

Fixes

6 issues fixed

From released versions before 1.12.2

  • MC-15152 – Standing in a nether portal and opening a chest will render the chest open until another chest is opened
  • MC-79154 – Hoppers occasionally duplicate items (within chunks)
  • MC-86850 – Ender Pearling through a nether portal in the over-world tp's you to the portals nether coordinates but in the overworld
  • MC-91803 – Cave / ambiance [sic] music can play far away from the player and is not audible
  • MC-120444 – Almost any entity inside farmland gets teleported when it turns into dirt

Private issues

Videos

Video made by slicedlime:

Trivia

  • 1.12.2-pre1 was previously removed from the launcher for some time, but was added back in September 2018.
  • 1.12.2-pre1 has the same protocol version as 1.12.2-pre2, which means these versions are cross-compatible with each other.
  • This version was released on the same day as New Nintendo 3DS Edition.

References

  1. ↑ "Important Message: Security vulnerability in Java Edition" – Minecraft.net, December 10, 2021.
  2. ↑ "Minecraft Pre-release 1.12.2-pre1" – Minecraft.net, September 13, 2017.

Sources