customspeed

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): main did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/gamerule/v1/GameRuleBuilder.

What it needs from Kiln

an access widener
Mixin
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder
net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.IntegerRuleBuilder
net.minecraft.server.MinecraftServer
net.minecraft.util.Util
net.minecraft.world.level.gamerules.GameRuleCategory
net.minecraft.world.level.gamerules.GameRules
KeyMapping.isDown()
ServerLevel.getGameRules()

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

this is a very simple mod to change the speed of certain cooldowns in the game: change grow up speed and mating time for Villagers and mobs(cows, pigs,...). Change spawner speed.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file customspeed-2.0.2_3b-26.3-fabric.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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