Custom FOV

Evidence

Ran on Kiln's test stand (2026-11-04): CustomFovFabricMod did not start: java.lang.NoSuchFieldError: Class com.mojang.blaze3d.platform.InputConstants does not have member field 'com.mojang.blaze3d.platform.InputConstants$Key UNKNOWN'.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.blaze3d.platform.InputConstants.Key
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStarted
• net.minecraft.client.Camera
• net.minecraft.client.CameraType
• net.minecraft.client.OptionInstance
• net.minecraft.client.OptionInstance.CaptionBasedToString
• net.minecraft.client.OptionInstance.Enum
• net.minecraft.client.OptionInstance.SliderableValueSet
• net.minecraft.client.OptionInstance.TooltipSupplier
• net.minecraft.client.OptionInstance.UnitDouble
• net.minecraft.client.OptionInstance.ValueSet
• net.minecraft.client.OptionInstance.ValueUpdateListener
• net.minecraft.client.Options
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.network.chat.CommonComponents
• net.minecraft.util.Mth
• net.minecraft.util.StringRepresentable.EnumCodec
• net.minecraft.world.entity.player.Abilities
• net.minecraft.world.level.material.FogType
• InputConstants.UNKNOWN
• KeyMapping.isDown()
• Minecraft.gameDirectory
• Minecraft.options
• LocalPlayer.isScoping()
• StringRepresentable.fromEnum()
• Player.getAbilities()
• Player.getTicksUsingItem()
• Player.getUseItem()
• Player.isSprinting()
• Player.isUsingItem()
• ItemStack.is()
• Items.BOW

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

Allows disabling or customizing field of view changes from sprinting, potions, archery, or underwater.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file customfov-fabric-15.0.0+26.3.jar. The scan reads the mod's classes; it does not run them.