Java Edition 1.18 experimental snapshot 2
Minecraft Wiki article. Categories: Java_Edition_development_versions_with_vulnerabilities, Java_Edition_versions, Java_Edition_1.18_experimental_snapshots, Java_Edition_experimental_snapshots_released_in_2021, Java_Edition_experimental_snapshots, Pages_with_YouTube_videos
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This article is reproduced from Java Edition 1.18 experimental snapshot 2 on the Minecraft Wiki. Mirrored from revision 3493517. 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 1.18 experimental snapshot 2
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1.18 Experimental Snapshot 2 (known as 1_18_experimental-snapshot-2 in the launcher) is the second experimental snapshot for Java Edition 1.18, released on July 20, 2021,[2][3] which makes numerous changes to world generation and mob spawning functionality related to monster spawners.
Additions
General
- Spawners now have a new [NBT Compound / JSON Object] CustomeSpawnRules [sic] tag, which lets players override the spawn rules of the spawned mob.
- In the tag, players can specify [Int] BlockLightLimit, which indicates the highest block-light the spawner spawns mobs at.
Changes
Mobs
General
- Zombie, skeleton, spider, and cave spider spawners now spawn mobs up to block-light level 11.
World generation
- Beaches are generally wider.
- In some places there is a chance where no beaches generate at all, to provide some variation.
- Renamed mountains to extreme hills, and gravelly mountains to gravelly hills.
- Sheep now spawn in meadows.
- Rabbits now spawn more frequently in meadows.
- Donkeys now spawn less frequently in meadows.
- Blue orchid no longer spawns in meadows.
- Meadows sometimes spawn a lone oak or birch, often with a bee nest.
- Hostile mobs now spawn in the new mountain biomes.
- Infested stone now generate in the new mountain biomes.
Ore distribution
- Emerald ores now generate in the new mountain biomes.
- Made ore veins slightly larger and more frequent.
- Ice spikes, eroded badlands, and savanna plateau generate naturally.
- Swamps now generate properly.
- Are now slightly smaller and slightly less common.
General
- Biome placement is a bit smoother and less noisy. Fewer microbiomes dotting the terrain. Biomes tend to be a bit larger and less fragmented.
- Underground biomes interfere less with surface biomes. They can still leak out of cave entrances sometimes.
- Increased the height of some of the peaks.
- Now can rarely reach up to Y=260.
- Slightly increased the chance of finding large areas with flat terrain.
- Structures now mostly show up in the right biomes.
- Toned down the megacave entrances a little bit, and made them less likely to go all the way down to deepslate level.
- Made cheese caves a little bit smaller on average, and a bit less likely to intersect the surface.
- Reduced the chance of sand and gravel being placed in such a way that they immediately fall down on generation.
- Some are now replaced with sandstone or stone.
General
- Raised cloud level from 128 to 192.
Issues
This version is not supported on the bug tracker, and therefore issues affecting it will be resolved as "Invalid".[4]
Gallery
Videos
Video made by slicedlime:
Notes
- ↑ Unzip this file in the .minecraft/versions folder.
References
- ↑ "Important Message: Security vulnerability in Java Edition" – Minecraft.net, December 10, 2021.
- ↑ "New world generation in Java available for testing" by Henrik Kniberg – Minecraft.net, July 20, 2021.
- ↑ "Minecraft 1.18 experimental snapshot 2 is out!" – u/MrHenrik2 on Reddit, July 20, 2021
- ↑ MC-231984
Navigation
Sources
- Java Edition 1.18 experimental snapshot 2 — Minecraft Wiki, CC BY-NC-SA 3.0, revision 3493517.