2.1 (1.21.1)
on Apr 17, 2025- Significantly optimized
ModelPartinversion.- ModelPart inversion should now be run on a
CubeDefinition, as inverting a ModelPart once the model has been created sometimes will not work properly. - The
CubeDefinition'smirrormethod can fix issues withModelPartinversion.
- ModelPart inversion should now be run on a
- Fixed Apparition
RenderTypes, and cleaned up existing ones. - Added
ShaderRegistryAPI, allowing modders to register custom shaders.- This API is not present past 1.21.1 as Vanilla gained this functionality in 1.21.2.
- Added
ItemTooltipAdditionAPI, letting modders append custom text tooltips to items when certain conditions are met. - Added
FrozenLibLootTableEvents, currently only containing an event for when an Item generates inside a Container. - FrozenLib's ModMenu Badge API will now log when a badge with a duplicate internal id is registered.
- Added additional helper methods to
ClientCapeUtilto make it easier to see what Capes a player can wear. - FrozenLib now shows up in ModMenu's mod list if the user can wear Capes, regardless of the
Show Librariesconfig option's value. - Added
RecipeExportNamespaceFix, used to fix the exporting of recipes sometimes using incorrectResourceLocations.
2.0.4 (25w15a)
on Apr 15, 20252.0.4 (1.21.5)
on Apr 13, 20252.0.4 (1.21.4)
on Apr 13, 20252.0.4 (1.21.1)
on Apr 13, 20252.0.4 (1.21.2)
on Apr 13, 2025- Added
BlockAnimateTicks, letting modders define custom behavior to be run every timeanimateTickis run.
2.0.3 (1.21.5)
on Mar 30, 20252.0.3 (1.21.2)
on Mar 30, 20252.0.3 (1.21.4)
on Mar 30, 20252.0.3 (1.21.1)
on Mar 30, 2025LOLis no longer spammed in logs.
2.0.2 (1.21.5)
on Mar 29, 20252.0.2 (1.21.4)
on Mar 29, 20252.0.2 (1.21.2)
on Mar 29, 20252.0.2 (1.21.1)
on Mar 29, 2025- Players can no longer place
PlaceInAirBlockItemswhile in Spectator or Adventure mode. - Fixed an issue that led to config syncing being improperly handled upon disconnecting from a server.
2.0.1 (1.21.5-pre3)
on Mar 19, 20252.0.1 (1.21.5-pre2)
on Mar 18, 20252.0.1 (1.21.4)
on Mar 18, 20252.0.1 (1.21.2)
on Mar 18, 20252.0.1 (1.21.1)
on Mar 18, 2025- Added
StructureMusicApi,allowing modders to define custom music to play within structures.- Contains an additional check to specify if the player must be within a structure piece.
- Added
MusicPitchApi,allowing modders to specify when music can play at a different pitch.- Uses a
Functionto calculate the current pitch, letting the pitch continuously shift. - Can check for being in a specific:
- Biome
- Structure
- Contains an additional check to specify if the player must be within a structure piece.
- Dimension
- Will not be applied if Credits, End Boss, Creative, or Menu music is playing.
- Uses a
- Removed
PanoramaApias it has potentially unsafe implementation on 1.21.5. - Fixed spam-logging of structure names upon world load.


