Better Frost Walker

Evidence

Ran on Kiln's test stand (2026-11-04): BetterFrostWalkerInitializer did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload; BetterFrostWalkerClientInitializer did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

• Mixin
• net.minecraft.core.BlockPos.MutableBlockPos
• net.minecraft.core.RegistryAccess
• net.minecraft.network.chat.Style
• 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.util.Mth
• net.minecraft.world.damagesource.DamageSources
• net.minecraft.world.entity.EntityType
• net.minecraft.world.item.enchantment.EnchantmentHelper
• net.minecraft.world.item.enchantment.Enchantments
• net.minecraft.world.level.BlockGetter
• net.minecraft.world.level.block.state.BlockBehaviour.PostProcess
• net.minecraft.world.level.block.state.BlockBehaviour.StateArgumentPredicate
• net.minecraft.world.level.block.state.properties.NoteBlockInstrument
• net.minecraft.world.level.material.MapColor
• LocalPlayer.playSound()
• Registries.ENCHANTMENT
• MutableComponent.withStyle()
• ServerLevel.getMaxLocalRawBrightness()
• Entity.hurtServer()
• Entity.isSteppingCarefully()
• Level.damageSources()
• Level.neighborChanged()
• Level.registryAccess()
• Blocks.LAVA
• BlockBehaviour.Properties.instrument()
• BlockBehaviour.Properties.isValidSpawn()
• BlockBehaviour.Properties.mapColor()
• BlockBehaviour.Properties.postProcess()
• BlockState.getLightDampening()

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

Makes frost walker better!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file better-frost-walker-fabric-26.3-3.1.1+fabric+26.3.jar. The scan reads the mod's classes; it does not run them.