Flowstone

Evidence

Ran on Kiln's test stand (2026-11-04): Flowstone did not start: java.lang.NoSuchMethodError: 'com.mojang.serialization.Codec net.minecraft.core.DefaultedRegistry.byNameCodec()'.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.event.EventFactory
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLevelEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLevelEvents.Load
• net.fabricmc.fabric.api.event.registry.DynamicRegistries
• net.fabricmc.fabric.api.tag.convention.v2.ConventionalBlockTags
• net.minecraft.core.HolderSet
• net.minecraft.core.RegistryAccess
• net.minecraft.server.level.ServerChunkCache
• net.minecraft.util.Mth
• net.minecraft.util.valueproviders.IntProvider
• net.minecraft.world.level.biome.Biome
• net.minecraft.world.level.biome.BiomeGenerationSettings
• net.minecraft.world.level.levelgen.NoiseBasedChunkGenerator
• net.minecraft.world.level.levelgen.NoiseGeneratorSettings
• net.minecraft.world.level.levelgen.VerticalAnchor
• net.minecraft.world.level.levelgen.WorldGenerationContext
• net.minecraft.world.level.levelgen.feature.AbstractOreFeature
• net.minecraft.world.level.levelgen.feature.BlockReplacement
• net.minecraft.world.level.levelgen.heightproviders.TrapezoidHeight
• net.minecraft.world.level.levelgen.heightproviders.UniformHeight
• net.minecraft.world.level.levelgen.material.condition.VerticalGradientCondition
• net.minecraft.world.level.levelgen.material.rule.BlockRule
• net.minecraft.world.level.levelgen.material.rule.ConditionRule
• net.minecraft.world.level.levelgen.material.rule.MaterialRule
• net.minecraft.world.level.levelgen.material.rule.MaterialRule.HolderHolder
• net.minecraft.world.level.levelgen.material.rule.SequenceRule
• net.minecraft.world.level.levelgen.placement.CountPlacement
• net.minecraft.world.level.levelgen.placement.HeightRangePlacement
• net.minecraft.world.level.levelgen.placement.PlacedFeature
• net.minecraft.world.level.levelgen.placement.PlacementModifier
• net.minecraft.world.level.levelgen.structure.templatesystem.RuleTest
• org.apache.commons.lang3.function.TriFunction
• ImmutableList.stream()
• DefaultedRegistry.byNameCodec()
• ServerLevel.getChunkSource()
• LevelAccessor.getBiome()
• LevelAccessor.getRandom()
• LevelAccessor.registryAccess()
• Blocks.COBBLED_DEEPSLATE
• Blocks.DEEPSLATE
• and 3 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

A configurable mod that changes what happens when lava meets water or ice, allowing for the (re)generation of ores and other resources.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file flowstone-6.7+26.3.jar. The scan reads the mod's classes; it does not run them.