From 0539f551db2c7b5095c6f40da1383245cd0b2a1f Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 13 Mar 2026 18:00:32 +0900
Subject: [PATCH] De-dupe updated `beatmapset_id`s

See
[discussion](https://discord.com/channels/90072389919997952/983550677794050108/1481936986309918750).
---
 osu.Server.QueueProcessor/BeatmapStatusWatcher.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Server.QueueProcessor/BeatmapStatusWatcher.cs b/osu.Server.QueueProcessor/BeatmapStatusWatcher.cs
index 069c9a7..c1882df 100644
--- a/osu.Server.QueueProcessor/BeatmapStatusWatcher.cs
+++ b/osu.Server.QueueProcessor/BeatmapStatusWatcher.cs
@@ -64,7 +64,7 @@ public static async Task<BeatmapUpdates> GetUpdatedBeatmapSetsAsync(int? lastQue
 
                 return new BeatmapUpdates
                 {
-                    BeatmapSetIDs = items.Select(i => i.beatmapset_id).ToArray(),
+                    BeatmapSetIDs = items.Select(i => i.beatmapset_id).Distinct().ToArray(),
                     LastProcessedQueueID = items.LastOrDefault()?.queue_id ?? lastQueueId.Value
                 };
             }