Better Advancements

Evidence

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

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.blaze3d.platform.Window
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterInit
• net.fabricmc.fabric.api.client.screen.v1.Screens
• net.minecraft.advancements.Advancement
• net.minecraft.advancements.AdvancementNode
• net.minecraft.advancements.AdvancementRequirements
• net.minecraft.advancements.AdvancementTree
• net.minecraft.advancements.AdvancementType
• net.minecraft.advancements.CriterionProgress
• net.minecraft.advancements.DisplayInfo
• net.minecraft.client.GameNarrator
• net.minecraft.client.MouseHandler
• net.minecraft.client.Options
• net.minecraft.client.StringSplitter
• net.minecraft.client.gui.components.AbstractButton
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.screens.advancements.AdvancementTabType
• net.minecraft.client.gui.screens.advancements.AdvancementWidgetType
• net.minecraft.client.gui.screens.inventory.InventoryScreen
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.multiplayer.ClientAdvancements.Listener
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.renderer.texture.MissingTextureAtlasSprite
• net.minecraft.core.ClientAsset
• net.minecraft.core.ClientAsset.ResourceTexture
• net.minecraft.locale.Language
• net.minecraft.network.chat.ComponentUtils
• net.minecraft.network.chat.FormattedText
• net.minecraft.network.chat.Style
• net.minecraft.network.protocol.game.ServerboundSeenAdvancementsPacket
• net.minecraft.util.FormattedCharSequence
• net.minecraft.util.Mth
• net.minecraft.world.item.ItemStackTemplate
• org.apache.commons.io.FilenameUtils
• org.apache.commons.io.IOUtils
• org.apache.logging.log4j.LogManager
• org.apache.logging.log4j.Logger
• and 43 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

Better Advancements tries to improve the UI and UX for the advancements system in minecraft 1.12+ in a modded environment

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file BetterAdvancements-Fabric-26.3-0.6.0.81.jar. The scan reads the mod's classes; it does not run them.