Compatibility
Minecraft: Java Edition
26.1
1.21.10–1.21.11
Platforms
Supported environments
Links
Creators
Details
Changelog
[1.4.0] - 2026-03-25
Added
- Minecraft 26.1 support
- Minecraft 1.21.9 and 1.21.10 support
- Java 25 toolchain support
- Unobfuscated jar handling for MC 26.1 (no mappings required)
- Multi-version builds via Stonecutter (1.21.9, 1.21.10, 1.21.11, 26.1)
Changed
- Migrated from Yarn to Mojang mappings
- Updated Gradle wrapper to 9.4.1
- Updated Fabric Loom to 1.15.5
- Updated Fabric Loader to 0.18.4
- Adapted all source files with Stonecutter conditionals for API changes:
PayloadTypeRegistry.playC2S()→serverboundPlay()(26.1)displayClientMessage()→sendSystemMessage()(26.1)KeyBindingHelper→KeyMappingHelper/KeyBinding→KeyMapping(26.1)GuiGraphics→GuiGraphicsExtractorwith new render methods (26.1)Villagerpackage restructured in 1.21.11+ResourceLocation→Identifier(1.21.11+)- Permission API changes for 1.21.11+
- Cloth Config excluded for 26.1 (no compatible version available yet)
- Fallback config screen used when Cloth Config is unavailable
Technical
- Stonecutter 0.5.1 for multi-version source management
- Single source tree with version conditionals
Files
Metadata
Release channel
ReleaseVersion number
1.4.0Loaders
Game versions
26.1Environment
Client and server, required on both
Downloads
785Publication date
March 26, 2026 at 12:44 AMPublisher

Partacus-SPQR
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