Improved Signs

Evidence

Ran on Kiln's test stand (2026-11-04): ImprovedSignsMod did not start: java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.entity.event.v1.ServerPlayerEvents.Join
• net.fabricmc.fabric.api.event.player.AttackEntityCallback
• net.fabricmc.fabric.api.event.player.UseBlockCallback
• net.fabricmc.fabric.api.event.player.UseEntityCallback
• net.minecraft.core.component.DataComponents
• net.minecraft.nbt.CompoundTag
• net.minecraft.nbt.NbtOps
• net.minecraft.util.Unit
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.ai.attributes.AttributeModifier
• net.minecraft.world.entity.ai.attributes.AttributeModifier.Operation
• net.minecraft.world.entity.decoration.ItemFrame
• net.minecraft.world.item.DyeColor
• net.minecraft.world.item.HangingEntityItem
• net.minecraft.world.item.SignApplicator
• net.minecraft.world.item.component.CustomData
• net.minecraft.world.level.block.HorizontalDirectionalBlock
• net.minecraft.world.level.block.SignBlock
• net.minecraft.world.level.block.entity.BlockEntity
• net.minecraft.world.level.block.entity.SignBlockEntity
• net.minecraft.world.level.block.entity.SignText
• net.minecraft.world.level.block.entity.SignTextSlot
• net.minecraft.world.level.storage.loot.LootContext
• net.minecraft.world.level.storage.loot.parameters.LootContextParams
• net.minecraft.world.level.storage.loot.predicates.LootItemCondition
• net.minecraft.world.level.storage.loot.predicates.LootItemCondition.Builder
• org.apache.logging.log4j.LogManager
• org.apache.logging.log4j.Logger
• ServerPlayerEvents.JOIN
• BuiltInRegistries.LOOT_CONDITION_TYPE
• Entity.getDirection()
• Entity.isInvisible()
• Entity.setInvisible()
• AttributeInstance.addOrUpdateTransientModifier()
• AttributeInstance.getModifier()
• Player.getItemBySlot()
• Player.isShiftKeyDown()
• Player.isWithinEntityInteractionRange()
• ItemStack.applyComponents()
• ItemStack.consume()
• and 7 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Improvements for your signs and frames on your Fabric server. Passthrough signs, retain sign text, copy signs & more!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file improved-signs-1.8.0+mc26.3.jar. The scan reads the mod's classes; it does not run them.