Medieval Glass

Evidence

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

What it needs from Kiln

• net.fabricmc.fabric.api.creativetab.v1.FabricCreativeModeTab
• net.minecraft.core.Direction.Axis
• 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.BlockGetter
• net.minecraft.world.level.LevelReader
• net.minecraft.world.level.block.IronBarsBlock
• net.minecraft.world.level.material.FlowingFluid
• net.minecraft.world.level.material.FluidState
• net.minecraft.world.level.material.Fluids
• net.minecraft.world.level.material.MapColor
• Direction.getAxis()
• BuiltInRegistries.CREATIVE_MODE_TAB
• Level.getFluidState()
• ScheduledTickAccess.scheduleTick()
• BlockBehaviour.Properties.mapColor()
• BlockState.isFaceSturdy()

On the roadmap: Code next to data (0.3)

In the author's words

Adds proper leaded glass panes to Minecraft

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file medievalglass-fabric-26.3-1.1.3.jar. The scan reads the mod's classes; it does not run them.