Natural Temperature

Evidence

Ran on Kiln's test stand (2026-11-04): NaturalTemperature did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/event/lifecycle/v1/ServerLifecycleEvents; NaturalTemperatureClient did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/screen/v1/ScreenEvents.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterExtract
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterInit
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.Remove
• net.fabricmc.fabric.api.client.screen.v1.Screens
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.minecraft.client.gui.components.AbstractWidget
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.gui.components.StringWidget
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.gui.screens.TitleScreen
• net.minecraft.client.input.MouseButtonEvent
• Minecraft.setScreenAndShow()
• Screen.extractRenderState()
• Screen.height
• Screen.mouseReleased()
• Screen.mouseScrolled()

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

Natural Temperature is a mod that overhauls the way biomes are placed in the world, creating a layout that more closely resembles Earth’s climate zones with cold biomes in the north and warm biomes in the south.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file natural-temperature-1.2.1-FABRIC-MC-26.3.jar. The scan reads the mod's classes; it does not run them.