Iceberg AzureLib Fix - Minecraft 1.21.1 (2026-10-25)

Iceberg AzureLib Fix

Iceberg 1.21.1 maintenance build with AzureLib armor compatibility fixes.

Provided AS IS, without warranty. Support and updates are best effort.

Unofficial maintenance fork of the upstream project. Original authors retain ownership and credit.

License: upstream LICENSE. The original license files, copyright notices, attribution and separate asset terms remain in force.

Downloads

Runtime JAR	Loader	Minecraft
Iceberg-1.21.1-fabric-1.3.2.jar	Fabric	1.21.1
Iceberg-1.21.1-forge-1.3.2.jar	Forge	[1.21.1]
Iceberg-1.21.1-neoforge-1.3.2.jar	NeoForge	[1.21.1]

Install one matching runtime JAR per mod, with its required dependencies, in mods/. Close Minecraft before replacing an existing JAR. Do not install source archives as mods.

Required dependencies

• Fabric / Iceberg-1.21.1-fabric-1.3.2.jar: fabric-api *.
• Forge / Iceberg-1.21.1-forge-1.3.2.jar: forge [51,).
• NeoForge / Iceberg-1.21.1-neoforge-1.3.2.jar: neoforge [21.1.54,).

Verification and source

• Gradle completed successfully: :neoforge:build :fabric:build :forge:build.
• This release preparation verified the build and packaged metadata; it does not certify every gameplay path or modpack combination.
• Published source commit: f782c00b5341da80f07732151522b30330226980.
• Corresponding source at this release. GitHub also provides source ZIP/tar archives below.
• SHA256SUMS.txt records the SHA-256 checksum of every attached runtime JAR.