From 19abb9094e581bc4d21107e839901e5d68090b19 Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Sun, 20 Aug 2023 02:13:55 -0400
Subject: [PATCH] fix #1062

---
 .../proxy/connection/client/ClientPlaySessionHandler.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
index dec1b85df..8993d9b24 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
@@ -482,6 +482,14 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
     }
     serverBossBars.clear();
 
+    // Tell the server about the proxy's plugin message channels.
+    ProtocolVersion serverVersion = serverMc.getProtocolVersion();
+    final Collection<String> channels = server.getChannelRegistrar()
+        .getChannelsForProtocol(serverMc.getProtocolVersion());
+    if (!channels.isEmpty()) {
+      serverMc.delayedWrite(constructChannelsPacket(serverVersion, channels));
+    }
+
     // If we had plugin messages queued during login/FML handshake, send them now.
     PluginMessage pm;
     while ((pm = loginPluginMessages.poll()) != null) {