Kind’s Crystal Optimizer

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

Evidence

Ran on Kiln's test stand (2026-11-04): KindsCrystalOptimizer did not start: java.lang.NoClassDefFoundError: net/minecraft/class_8710.

What it needs from Kiln

Mixin
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Event
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
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.PacketSender
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPacketHandler
net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry.Registry
net.fabricmc.loader.api.ModContainer
net.fabricmc.loader.api.Version
net.fabricmc.loader.api.metadata.ModMetadata
net.minecraft.class_2535
net.minecraft.class_2561
net.minecraft.class_2960
net.minecraft.class_310
net.minecraft.class_634
net.minecraft.class_8710
net.minecraft.class_8710.class_9154
net.minecraft.class_9129
net.minecraft.class_9139
FabricLoader.getModContainer()

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

Kind Crystal Optimizer reduces delay when placing and breaking end crystals by handling them client side, making actions feel instant and eliminating lag.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file Kinds-Crystal-Optimizer-1.6.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

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