Homeostatic Seasons

Evidence

Ran on Kiln's test stand (2026-11-04): HomeostaticSeasonsFabric did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/resource/IdentifiableResourceReloadListener; HomeostaticSeasonsClientFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/client/renderer/BiomeColors.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.client.rendering.v1.BlockColorRegistry
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLevelEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLevelEvents.Load
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.SyncDataPackContents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndLevelTick
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.resource.IdentifiableResourceReloadListener
• net.fabricmc.fabric.api.resource.ResourceManagerHelper
• net.minecraft.client.color.block.BlockTintSource
• net.minecraft.client.renderer.BiomeColors
• net.minecraft.client.renderer.block.BlockAndTintGetter
• net.minecraft.client.renderer.extract.LevelExtractor
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.core.BlockPos.MutableBlockPos
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• net.minecraft.core.SectionPos
• net.minecraft.nbt.NbtOps
• net.minecraft.nbt.Tag
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• net.minecraft.resources.FileToIdConverter
• net.minecraft.server.MinecraftServer
• net.minecraft.server.packs.PackType
• net.minecraft.server.packs.resources.ResourceManager
• net.minecraft.server.packs.resources.SimpleJsonResourceReloadListener
• net.minecraft.util.ExtraCodecs
• net.minecraft.util.GsonHelper
• and 57 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

Performance and realism-driven full-featured seasons mod, dynamically changing biomes and weather as you play.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file homeostaticseasons-26.3-fabric-1.2.1.0.jar. The scan reads the mod's classes; it does not run them.