pv-addon-flashback

Evidence

Ran on Kiln's test stand (2026-11-04): FlashbackVoiceAddon did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/networking/v1/PayloadTypeRegistry.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.event.EventFactory
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.impl.networking.client.ClientNetworkingImpl
• net.fabricmc.fabric.impl.networking.client.ClientPlayNetworkAddon
• net.minecraft.client.Camera
• net.minecraft.client.player.RemotePlayer
• net.minecraft.network.ConnectionProtocol
• net.minecraft.network.FriendlyByteBuf
• net.minecraft.network.RegistryFriendlyByteBuf
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.Packet
• net.minecraft.network.protocol.common.ClientboundCustomPayloadPacket
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• org.apache.logging.log4j.LogManager
• org.apache.logging.log4j.Logger
• Minecraft.getCameraEntity()

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

Compatibility add-on for Plasmo Voice and Flashback that allows you to record voice chat with Flashback.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file pv-addon-flashback-1.0.0-beta.10+26.1.1.jar. The scan reads the mod's classes; it does not run them.