From 22ade98db7f446bc65e37e78e0039a5d4fae9e2e Mon Sep 17 00:00:00 2001
From: Ankita Tudubucket <106295287+tudubucket@users.noreply.github.com>
Date: Mon, 28 Jul 2025 02:09:35 +0700
Subject: [PATCH] Skip GUILD_MEMBER_ADD if member already cached

---
 discord/state.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/discord/state.py b/discord/state.py
index 0fbeadea2..223a09923 100644
--- a/discord/state.py
+++ b/discord/state.py
@@ -1101,6 +1101,12 @@ class ConnectionState(Generic[ClientT]):
             _log.debug('GUILD_MEMBER_ADD referencing an unknown guild ID: %s. Discarding.', data['guild_id'])
             return
 
+        member_id = int(data['user']['id'])
+        member = guild.get_member(member_id)
+        if member is not None:
+            _log.debug('GUILD_MEMBER_ADD referencing an already cached member ID: %s. Discarding.', member_id)
+            return
+
         member = Member(guild=guild, data=data, state=self)
         if self.member_cache_flags.joined:
             guild._add_member(member)