Not Enough Spectators fix

Evidence

Ran on Kiln's test stand (2026-11-04): NotEnoughSpectatorsClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/chat/HoverEvent.

What it needs from Kiln

• an access widener
• Mixin
• io.netty.bootstrap.ServerBootstrap
• io.netty.buffer.ByteBuf
• io.netty.buffer.ByteBufAllocator
• io.netty.buffer.ByteBufInputStream
• io.netty.buffer.ByteBufOutputStream
• io.netty.buffer.Unpooled
• io.netty.channel.Channel
• io.netty.channel.ChannelConfig
• io.netty.channel.ChannelException
• io.netty.channel.ChannelFuture
• io.netty.channel.ChannelHandler
• io.netty.channel.ChannelHandler.Sharable
• io.netty.channel.ChannelHandlerAdapter
• io.netty.channel.ChannelHandlerContext
• io.netty.channel.ChannelInboundHandlerAdapter
• io.netty.channel.ChannelInitializer
• io.netty.channel.ChannelOption
• io.netty.channel.ChannelPipeline
• io.netty.channel.EventLoop
• io.netty.channel.EventLoopGroup
• io.netty.channel.SimpleChannelInboundHandler
• io.netty.channel.nio.NioEventLoopGroup
• io.netty.channel.socket.SocketChannel
• io.netty.channel.socket.SocketChannelConfig
• io.netty.channel.socket.nio.NioServerSocketChannel
• io.netty.handler.codec.ByteToMessageDecoder
• io.netty.handler.codec.CodecException
• io.netty.handler.codec.DecoderException
• io.netty.handler.codec.EncoderException
• io.netty.handler.codec.MessageToByteEncoder
• io.netty.handler.codec.MessageToMessageDecoder
• io.netty.handler.codec.MessageToMessageEncoder
• io.netty.handler.flow.FlowControlHandler
• io.netty.handler.timeout.ReadTimeoutHandler
• io.netty.handler.timeout.TimeoutException
• io.netty.util.ReferenceCountUtil
• io.netty.util.ResourceLeakDetector
• io.netty.util.ResourceLeakDetector.Level
• net.fabricmc.fabric.api.client.command.v2.ClientCommandRegistrationCallback
• net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource
• and 47 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 Minecraft mod that allows you to invite anybody spectate to your gameplay on Public Servers tooo!!! In an immersive way like watching in spectator mode

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file not-enough-spectators-1.4-26.3.jar. The scan reads the mod's classes; it does not run them.