Season Studio

Evidence

Ran on Kiln's test stand (2026-11-04): SeasonalStudioFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/client/resources/sounds/SimpleSoundInstance.

What it needs from Kiln

• Mixin
• net.minecraft.SharedConstants
• net.minecraft.WorldVersion
• net.minecraft.client.gui.components.AbstractButton
• net.minecraft.client.gui.components.AbstractWidget
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.CreateNarration
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.gui.components.events.GuiEventListener
• net.minecraft.client.resources.sounds.SimpleSoundInstance
• net.minecraft.client.resources.sounds.SoundInstance
• net.minecraft.client.resources.sounds.SoundInstance.Attenuation
• net.minecraft.client.sounds.MusicManager
• net.minecraft.client.sounds.SoundManager
• net.minecraft.client.sounds.WeighedSoundEvents
• net.minecraft.server.packs.PackLocationInfo
• net.minecraft.server.packs.PackResources
• net.minecraft.server.packs.PackResources.ResourceOutput
• net.minecraft.server.packs.PackSelectionConfig
• net.minecraft.server.packs.PackType
• net.minecraft.server.packs.PathPackResources
• net.minecraft.server.packs.PathPackResources.PathResourcesSupplier
• net.minecraft.server.packs.metadata.pack.PackFormat
• net.minecraft.server.packs.repository.Pack
• net.minecraft.server.packs.repository.Pack.Metadata
• net.minecraft.server.packs.repository.Pack.Position
• net.minecraft.server.packs.repository.Pack.ResourcesSupplier
• net.minecraft.server.packs.repository.PackRepository
• net.minecraft.server.packs.repository.PackSource
• net.minecraft.server.packs.resources.IoSupplier
• net.minecraft.sounds.Music
• Minecraft.gameDirectory
• Minecraft.getMusicManager()
• Minecraft.getResourcePackRepository()
• Minecraft.getSituationalMusic()
• Minecraft.getSoundManager()
• Minecraft.reloadResourcePacks()
• Font.plainSubstrByWidth()
• Gui.overlay()
• and 6 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

Switch between four seasonal themes with festive mobs, scenery, items, and music—all from one menu.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file seasonal-studio-fabric-26.3-0.2.3.jar. The scan reads the mod's classes; it does not run them.