Print network stacktraces

src/main/resources/fabric.mod.json

@@ -13,7 +13,7 @@
   },
   "depends": {
     "fabricloader": ">=0.14.0",
-    "minecraft": ["1.8.9", "1.14.4", "1.15.2", "1.16.5", "1.17.1", "1.18.2", "1.19.4", "1.20.2"],
+    "minecraft": ["1.8.9", "1.14.4", "1.15.2", "1.16.5", "1.17.1", "1.18.2", "1.19.4", ">=1.20.2"],
     "viaversion": ">=4.8.1"
   },
   "breaks": {

viafabric-mc120/src/main/java/com/viaversion/fabric/mc120/mixin/debug/client/MixinClientConnection.java

@@ -0,0 +1,24 @@
+package com.viaversion.fabric.mc120.mixin.debug.client;
+
+import io.netty.channel.ChannelHandlerContext;
+import net.minecraft.network.ClientConnection;
+import org.slf4j.Logger;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(ClientConnection.class)
+public abstract class MixinClientConnection {
+
+    @Shadow
+    @Final
+    private static Logger LOGGER;
+
+    @Inject(method = "exceptionCaught", at = @At("TAIL"))
+    public void exceptionCaught(ChannelHandlerContext context, Throwable ex, CallbackInfo ci) {
+        LOGGER.error("Packet error", ex);
+    }
+}

viafabric-mc120/src/main/resources/fabric.mod.json

@@ -40,7 +40,7 @@
   },
   "depends": {
     "fabric-resource-loader-v0": "*",
-    "minecraft": ["1.20.2"],
+    "minecraft": [">=1.20.2"],
     "viafabric": "*"
   },
   "recommends": {

viafabric-mc120/src/main/resources/mixins.viafabric120.debug.json

@@ -6,6 +6,7 @@
   ],
   "client": [
     "client.MixinClientConnectionAccessor",
+    "client.MixinClientConnection",
     "client.MixinDebugHud"
   ],
   "injectors": {