Datapack Codex

Java Edition 1.15.1

Minecraft Wiki article. Categories: Pages_using_DynamicPageList4, Java_Edition_releases_with_vulnerabilities, Java_Edition_versions, Pages_with_YouTube_videos

📌 Mirrored from Minecraft Wiki

This article is reproduced from Java Edition 1.15.1 on the Minecraft Wiki. Mirrored from revision 3600226. 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 release 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 1.15.1
1.15.1 banner.jpg: Infobox image for Minecraft version 'Minecraft 1.15.1'
Java Edition 1.15.1.png: Infobox image for Minecraft version 'Minecraft 1.15.1'
{
    "title": "Minecraft 1.15.1",
    "images": [
        "1.15.1 banner.jpg",
        "Java Edition 1.15.1.png"
    ],
    "rows": [
        {
            "field": "''(link to Java Edition article, displayed as Java Edition)''",
            "label": "(link to Edition article, displayed as Edition)"
        },
        {
            "field": "December 17, 2019",
            "label": "Release date"
        },
        {
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            "label": "<span normal;\">Development versions</span>"
        },
        {
            "field": "[https://piston-data.mojang.com/v1/objects/8b11614bea9293592a947ea8f4fd72981ea66677/client.jar Client] ([https://piston-meta.mojang.com/v1/packages/57c1b5f7376febf269f7e555f96def8f1a43bb76/1.15.1.json .json])<br />[https://piston-data.mojang.com/v1/objects/4d1826eebac84847c71a77f9349cc22afd0cf0a1/server.jar Server]",
            "label": "(link to Tutorial:Installing a version#Manual version installation article, displayed as Downloads)"
        },
        {
            "field": "[https://piston-data.mojang.com/v1/objects/cc77cb804c2cc0fa151b0745df4c5de8e64d1bb5/client.txt Client]<br />[https://piston-data.mojang.com/v1/objects/47f8a03f5492223753f5f2b531d4938813903684/server.txt Server]",
            "label": "(link to Obfuscation map article, displayed as Obfuscation maps)"
        },
        {
            "field": "575",
            "label": "(link to Protocol version article, displayed as Protocol version)"
        },
        {
            "field": "2227",
            "label": "(link to Data version article, displayed as Data version)"
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        {
            "field": "5",
            "label": "<span normal;\">(link to Pack format#List of pack formats article, displayed as Resource pack format)</span>"
        },
        {
            "field": "5",
            "label": "<span normal;\">(link to Pack format#List of pack formats article, displayed as Data pack format)</span>"
        },
        {
            "field": "<span class=\"plainlinks\">[https://en.wikipedia.org/wiki/Java_version_history#Java_SE_8_.28LTS.29 Java SE 8]</span>",
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    ],
    "invimages": [],
    "footer": "<table auto; word-break: break-word;\">\n<tr inherit;\">\n<td 0.4em\" rowspan=\"2\">[[Java Edition  1.15|<span  1.15]]</td>\n<td rowspan=\"2\" 0.4em\">'''1.15.1'''</td>\n<td 0.4em\" >[[Java Edition  1.16|  1.16 <span inherit;\">\n\n\n<td 0.4em\">\n[[Java Edition  1.15.2|  1.15.2 ►]]\n</td>\n</tr>\n</table>"
}
Other editions with a version "1.15.1":
 

1.15.1 is a minor update to Java Edition released on December 17, 2019,[2] which improves performance and fixes a few bugs in 1.15. This is the final version released in 2019, as well as the 2010s decade.

Changes

Mobs

Dolphin

General

Performance

  • Optimized chunk rendering performance, especially for chunks with many different block states.

Network handling

  • Improved network handling of invalid biome IDs.

Fixes

10 issues fixed

From released versions before 1.15

  • MC-96174 – Highlighted slot darkening.
  • MC-126856 – When auto-jump is enabled, the game checks an incorrect block to decide whether the player should jump or not.
  • MC-135050 – NullPointerException while tessellating block model.
  • MC-150508 – Resource pack format was not incremented to 5.
  • MC-152516 – Dolphins can spawn in soul sand bubble columns.
  • MC-163571 – Walls are lit too dark when connecting to ice.

From 1.15

  • MC-167482 – Corrupt chunk causes force upgrading a world to fail.
  • MC-167530 – Anvils causing java.lang.StackOverflowError.

Other

  • Fixed an error that was spammed to the game's log files caused by custom monster spawners spawning villagers.
  • Fixed a crash that occurred in the Realms screen.

Videos

Video made by slicedlime:

References

  1. ↑ "Important Message: Security vulnerability in Java Edition" – Minecraft.net, December 10, 2021.
  2. ↑ "Minecraft 1.15.1" – Minecraft.net, December 17, 2019.

Sources