New Slabs, Stairs & Walls

Evidence

Ran on Kiln's test stand (2026-11-04): NewWalls did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/block/FenceGateBlock.

What it needs from Kiln

• net.fabricmc.fabric.api.creativetab.v1.FabricCreativeModeTab
• net.minecraft.references.BlockItemId
• net.minecraft.world.item.CreativeModeTab.Builder
• net.minecraft.world.item.CreativeModeTab.DisplayItemsGenerator
• net.minecraft.world.item.CreativeModeTab.ItemDisplayParameters
• net.minecraft.world.item.CreativeModeTab.Output
• net.minecraft.world.level.block.FenceBlock
• net.minecraft.world.level.block.FenceGateBlock
• net.minecraft.world.level.block.SlabBlock
• net.minecraft.world.level.block.StairBlock
• net.minecraft.world.level.block.WallBlock
• net.minecraft.world.level.block.state.properties.WoodType
• net.minecraft.world.level.material.MapColor
• BuiltInRegistries.CREATIVE_MODE_TAB
• Items.COBBLESTONE_WALL
• Blocks.CALCITE
• Blocks.CRACKED_DEEPSLATE_BRICKS
• Blocks.CRACKED_DEEPSLATE_TILES
• Blocks.CRACKED_NETHER_BRICKS
• Blocks.CRACKED_POLISHED_BLACKSTONE_BRICKS
• Blocks.CRACKED_STONE_BRICKS
• Blocks.CUT_RED_SANDSTONE
• Blocks.CUT_SANDSTONE
• Blocks.DRIPSTONE_BLOCK
• Blocks.END_STONE
• Blocks.QUARTZ_BRICKS
• Blocks.SMOOTH_BASALT
• Blocks.SMOOTH_STONE
• SoundType.BASALT
• SoundType.CALCITE
• SoundType.DEEPSLATE_BRICKS
• SoundType.DEEPSLATE_TILES
• SoundType.DRIPSTONE_BLOCK
• SoundType.NETHER_BRICKS
• BlockBehaviour.Properties.mapColor()

On the roadmap: Code next to data (0.3)

In the author's words

The ultimate mod for building with slabs, stairs and walls

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file NewSlabsStairs&Walls-fabric-26.3-2.0.22.jar. The scan reads the mod's classes; it does not run them.