Planned

Pro Placer

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

Evidence

Ran on Kiln's test stand (2026-11-04): ProPlacerFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess; ProPlacerFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess.

What it needs from Kiln

an access widener
Mixin
net.minecraft.client.Options
net.minecraft.client.gui.Hud
net.minecraft.client.multiplayer.MultiPlayerGameMode
net.minecraft.client.player.ClientInput
net.minecraft.core.Direction.Axis
net.minecraft.network.chat.CommonComponents
net.minecraft.network.protocol.game.ServerboundPlayerInputPacket
net.minecraft.util.Mth
net.minecraft.world.entity.player.Abilities
net.minecraft.world.entity.player.Input
net.minecraft.world.item.component.SwingAnimation
net.minecraft.world.level.BlockGetter
net.minecraft.world.level.ClipContext
net.minecraft.world.level.ClipContext.Block
net.minecraft.world.level.ClipContext.Fluid
net.minecraft.world.level.material.FluidState
net.minecraft.world.phys.HitResult.Type
net.minecraft.world.phys.shapes.CollisionContext
net.minecraft.world.phys.shapes.VoxelShape
net.minecraft.core.RegistryAccess
KeyMapping.isDown()
Minecraft.gameMode
Minecraft.getCameraEntity()
Minecraft.hitResult
Minecraft.options
Minecraft.pick()
Minecraft.rightClickDelay
Gui.hud
ClientLevel.isEmptyBlock()
ClientPacketListener.send()
LocalPlayer.blockInteractionRange()
LocalPlayer.connection
LocalPlayer.getDirection()
LocalPlayer.getOnPos()
LocalPlayer.getViewXRot()
LocalPlayer.hasInfiniteMaterials()
LocalPlayer.input
LocalPlayer.itemUsed()
LocalPlayer.onGround()
LocalPlayer.position()
and 14 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

Bedrock Edition-like easy and accurate block placement and breaking plus reach-around placement for fast bridging.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file proplacer-v26.3.0-mc26.3.x+fabric.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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