Minecraft 1.18 Snapshot 21w43a adds the first iteration of border blending to help transition between minecraft worlds.

Minecraft 1.18 Snapshot 21w43a

Features:

  • The edge between old and new world generation is now adjusted when you upgrade a world.
  • The Priority Updates video setting has been renamed to Chunk Builder.
  • Reduced the amount of flooded caves near river and ocean coastlines.
  • Aquifer water levels change less often, so you’ll more often have larger areas with the same water level. This means slightly fewer underground waterfalls and slightly easier underground boat travel.
  • Lava aquifers are slightly less common.
  • Restricted Big Dripleaf placement to Clay, Grass, Dirt, Farmland, Moss, Rooted Dirt, Podzol and Mycelium.

Upgrading of old worlds:

  • When generating close to old chunks hew terrain is adjusted to better match the existing terrain at the borders.
  • In old chunks, if there is Bedrock at y=0, the column below will be filled with Deepslate.
    • Worlds upgraded in this snapshot will permanently have this deepslate, so if you want new caves under height 0 later, make sure to keep a backup before upgrading.
  • The old Bedrock between y=0 and y=4 in old chunks gets replaced with Deepslate.
  • A new Bedrock layer is placed at y=-64.

Screenshots:

Minecraft 1.18 Snapshot 21w43a Screenshots 1

Minecraft 1.18 Snapshot 21w43a Screenshots 2

Minecraft 1.18 Snapshot 21w43a Screenshots 3

Minecraft 1.18 Snapshot 21w43a Screenshots 4

Minecraft 1.18 Snapshot 21w43a Screenshots 5

Minecraft 1.18 Snapshot 21w43a Screenshots 6

Minecraft 1.18 Snapshot 21w43a Screenshots 7

Minecraft 1.18 Snapshot 21w43a Screenshots 8

Minecraft 1.18 Snapshot 21w43a Screenshots 9

Minecraft 1.18 Snapshot 21w43a Screenshots 10

How to install:

  • To install the snapshot, open up the Minecraft Launcher and enable snapshots in the “Launch Options” tab.
  • Snapshots can corrupt your world, please backup and/or run them in a different folder from your main worlds.

Minecraft 1.18 Snapshot 21w43a Download Links:

Client: Download from Server 1 (.json)

Server: Download from Server 1

Obfuscation Maps:

Client

Server

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