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data pack

Alternate biome transitionsMinecraft data pack for 1.21.11

Generates simple transitions between most biomes in Minecraft to prevent most harsh biome edges.

server onlynewest supported 1.21.11Worldgen
Latest version
1.1.3
Minecraft
1.20 to 1.21.11
Licence
MIT
Downloads
635
Updated
4 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Alternate biome transitions servers

Deploy a server with Alternate biome transitions already added to the world, on hardware built for it.

  • 1.21.11
  • Data pack
  • One click install
  • Version matched
  • Automatic backups
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version Alternate biome transitions declares support for, newest first, with the Java runtime that version needs.

Other data packs
MinecraftThroughJavaEvidenceReleased
1.21.11Data pack21+declared9 Dec 2025
1.21.10Data pack21+declared7 Oct 2025
1.21.9Data pack21+declared30 Sept 2025
1.21.8Data pack21+declared17 Jul 2025
1.21.7Data pack21+declared30 Jun 2025
1.21.6Data pack21+declared17 Jun 2025
1.21.5Data pack21+declared25 Mar 2025
1.21.4Data pack21+declared3 Dec 2024
24w46aData pack21+declared13 Nov 2024
24w45aData pack21+declared6 Nov 2024
24w44aData pack21+declared30 Oct 2024
1.21.3Data pack21+declared23 Oct 2024
1.21.2Data pack21+declared22 Oct 2024
1.21.2-pre2Data pack21+declared10 Oct 2024
1.21.2-pre1Data pack21+declared8 Oct 2024
24w40aData pack21+declared2 Oct 2024
24w39aData pack21+declared25 Sept 2024
24w38aData pack21+declared18 Sept 2024
24w37aData pack21+declared11 Sept 2024
24w36aData pack21+declared4 Sept 2024
24w35aData pack21+declared28 Aug 2024
24w34aData pack21+declared21 Aug 2024
24w33aData pack21+declared15 Aug 2024
1.21.1Data pack21+declared8 Aug 2024
1.21Data pack21+declared13 Jun 2024
1.21-rc1Data pack21+declared10 Jun 2024
1.21-pre4Data pack21+declared7 Jun 2024
1.21-pre3Data pack21+declared5 Jun 2024
1.21-pre2Data pack21+declared31 May 2024
1.21-pre1Data pack21+declared29 May 2024
24w21bData pack21+declared22 May 2024
24w21aData pack21+declared22 May 2024
24w20aData pack21+declared15 May 2024
24w19bData pack21+declared10 May 2024
24w19aData pack21+declared10 May 2024
24w18aData pack21+declared3 May 2024
1.20.6Data pack21+declared29 Apr 2024
1.20.5Data pack21+declared23 Apr 2024
1.20.5-rc3Data pack21+declared22 Apr 2024
1.20.5-rc2Data pack21+declared19 Apr 2024

42 older versions not shown.

Download

From Alternate biome transitions’s own host. Nothing is re-hosted here.

1.1.3release9 May 2026

alternate_biome_transitions_1.1.3.zip · 0.5 MB · for 1.20, 1.20.1, 23w31a, 23w32a, 23w33a +76 more

Download latest
c8449cf4245a…
Older versions6
  • 1.1.27 Jan 20261.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.110.5 MB189 downloads908e55574b90…Get
  • 1.1.117 Dec 20251.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.110.5 MB57 downloadsb192ec1ed4ba…Get
  • 1.1.027 Oct 20251.21.7, 1.21.8, 1.21.9, 1.21.100.5 MB106 downloads5fb7722a870a…Get
  • 1.0.024 Oct 20251.21.7, 1.21.8, 1.21.9, 1.21.100.5 MB24 downloadsdde4cffe0906…Get
  • 1.0.0-b10 Aug 20251.21.7, 1.21.80.5 MB98 downloadsb3b96c998911…Get
  • 1.0.0-a1 Aug 20251.21.7, 1.21.80.5 MB44 downloadsb62fe60e3733…Get

Frequently asked

Does Alternate biome transitions work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version Alternate biome transitions declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Alternate biome transitions support?

Everything the author has declared, from 1.20 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Alternate biome transitions on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

What licence is Alternate biome transitions under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Alternate biome transitions?

Data packs install per world: put the downloaded file in that world's datapacks folder and run /reload, or add it when creating the world. No loader is involved. On a server, the world folder lives next to the server jar.

Where do I download Alternate biome transitions safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

TerralithExplore almost 100 new biomes consisting of both realism and light fantasy, using just Vanilla blocks. Complete with several immersive structures to compliment the overhauled terrain.TectonicTerrain shaping brought to new heights, grander and more varied than ever before!Incendium LegacyA nether biome overhaul combined with challenging structures to conquer, unique weapons to obtain, and tricky mobs to defeat.GeophilicA subtle-ish overhaul of vanilla Overworld biomes! Reworked!TrekBored of vanilla structure generation? This pack is for you!ExplorifyA simplistic, vanilla-friendly collection of new structures.

Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .