diff --git a/osu.Game.Tests/Visual/Multiplayer/TestSceneRoomListing.cs b/osu.Game.Tests/Visual/Multiplayer/TestSceneRoomListing.cs
index 7f6fb97e0c..85dfdd9af9 100644
--- a/osu.Game.Tests/Visual/Multiplayer/TestSceneRoomListing.cs
+++ b/osu.Game.Tests/Visual/Multiplayer/TestSceneRoomListing.cs
@@ -144,7 +144,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
 
             AddUntilStep("4 rooms visible", () => container.DrawableRooms.Count(r => r.IsPresent) == 4);
 
-            AddStep("filter one room", () => container.Filter.Value = new FilterCriteria { SearchString = rooms.First().Name });
+            AddStep("filter one room", () => container.Filter.Value = new LoungeFilterCriteria { SearchString = rooms.First().Name });
 
             AddUntilStep("1 rooms visible", () => container.DrawableRooms.Count(r => r.IsPresent) == 1);
 
@@ -160,13 +160,13 @@ namespace osu.Game.Tests.Visual.Multiplayer
             AddStep("add rooms", () => rooms.AddRange(GenerateRooms(3, new CatchRuleset().RulesetInfo)));
 
             // Todo: What even is this case...?
-            AddStep("set empty filter criteria", () => container.Filter.Value = new FilterCriteria());
+            AddStep("set empty filter criteria", () => container.Filter.Value = new LoungeFilterCriteria());
             AddUntilStep("5 rooms visible", () => container.DrawableRooms.Count(r => r.IsPresent) == 5);
 
-            AddStep("filter osu! rooms", () => container.Filter.Value = new FilterCriteria { Ruleset = new OsuRuleset().RulesetInfo });
+            AddStep("filter osu! rooms", () => container.Filter.Value = new LoungeFilterCriteria { Ruleset = new OsuRuleset().RulesetInfo });
             AddUntilStep("2 rooms visible", () => container.DrawableRooms.Count(r => r.IsPresent) == 2);
 
-            AddStep("filter catch rooms", () => container.Filter.Value = new FilterCriteria { Ruleset = new CatchRuleset().RulesetInfo });
+            AddStep("filter catch rooms", () => container.Filter.Value = new LoungeFilterCriteria { Ruleset = new CatchRuleset().RulesetInfo });
             AddUntilStep("3 rooms visible", () => container.DrawableRooms.Count(r => r.IsPresent) == 3);
         }
 
@@ -183,11 +183,11 @@ namespace osu.Game.Tests.Visual.Multiplayer
 
             AddUntilStep("both rooms visible", () => container.DrawableRooms.Count(r => r.IsPresent) == 2);
 
-            AddStep("filter public rooms", () => container.Filter.Value = new FilterCriteria { Permissions = RoomPermissionsFilter.Public });
+            AddStep("filter public rooms", () => container.Filter.Value = new LoungeFilterCriteria { Permissions = RoomPermissionsFilter.Public });
 
             AddUntilStep("private room hidden", () => container.DrawableRooms.All(r => !r.Room.HasPassword));
 
-            AddStep("filter private rooms", () => container.Filter.Value = new FilterCriteria { Permissions = RoomPermissionsFilter.Private });
+            AddStep("filter private rooms", () => container.Filter.Value = new LoungeFilterCriteria { Permissions = RoomPermissionsFilter.Private });
 
             AddUntilStep("public room hidden", () => container.DrawableRooms.All(r => r.Room.HasPassword));
         }
diff --git a/osu.Game/Online/Rooms/GetRoomsRequest.cs b/osu.Game/Online/Rooms/GetRoomsRequest.cs
index 2d0d572e84..a665cb730e 100644
--- a/osu.Game/Online/Rooms/GetRoomsRequest.cs
+++ b/osu.Game/Online/Rooms/GetRoomsRequest.cs
@@ -15,7 +15,7 @@ namespace osu.Game.Online.Rooms
         private readonly RoomStatusFilter? status;
         private readonly string category;
 
-        public GetRoomsRequest(FilterCriteria filterCriteria)
+        public GetRoomsRequest(LoungeFilterCriteria filterCriteria)
         {
             mode = filterCriteria.Mode;
             category = filterCriteria.Category;
diff --git a/osu.Game/Screens/OnlinePlay/Lounge/Components/FilterCriteria.cs b/osu.Game/Screens/OnlinePlay/Lounge/Components/LoungeFilterCriteria.cs
similarity index 93%
rename from osu.Game/Screens/OnlinePlay/Lounge/Components/FilterCriteria.cs
rename to osu.Game/Screens/OnlinePlay/Lounge/Components/LoungeFilterCriteria.cs
index 121dffde1f..9778b855fc 100644
--- a/osu.Game/Screens/OnlinePlay/Lounge/Components/FilterCriteria.cs
+++ b/osu.Game/Screens/OnlinePlay/Lounge/Components/LoungeFilterCriteria.cs
@@ -5,7 +5,7 @@ using osu.Game.Rulesets;
 
 namespace osu.Game.Screens.OnlinePlay.Lounge.Components
 {
-    public class FilterCriteria
+    public class LoungeFilterCriteria
     {
         public string SearchString = string.Empty;
         public RoomModeFilter Mode;
diff --git a/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomListing.cs b/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomListing.cs
index f04de97f9b..78d0b6360f 100644
--- a/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomListing.cs
+++ b/osu.Game/Screens/OnlinePlay/Lounge/Components/RoomListing.cs
@@ -31,7 +31,7 @@ namespace osu.Game.Screens.OnlinePlay.Lounge.Components
         /// <summary>
         /// The current filter criteria. Should be managed externally.
         /// </summary>
-        public readonly Bindable<FilterCriteria?> Filter = new Bindable<FilterCriteria?>();
+        public readonly Bindable<LoungeFilterCriteria?> Filter = new Bindable<LoungeFilterCriteria?>();
 
         /// <summary>
         /// The currently user-selected room.
@@ -87,7 +87,7 @@ namespace osu.Game.Screens.OnlinePlay.Lounge.Components
             Filter.BindValueChanged(criteria => applyFilterCriteria(criteria.NewValue), true);
         }
 
-        private void applyFilterCriteria(FilterCriteria? criteria)
+        private void applyFilterCriteria(LoungeFilterCriteria? criteria)
         {
             roomFlow.Children.ForEach(r =>
             {
diff --git a/osu.Game/Screens/OnlinePlay/Lounge/LoungeListingPoller.cs b/osu.Game/Screens/OnlinePlay/Lounge/LoungeListingPoller.cs
index d92ae7eb6e..34209cee7f 100644
--- a/osu.Game/Screens/OnlinePlay/Lounge/LoungeListingPoller.cs
+++ b/osu.Game/Screens/OnlinePlay/Lounge/LoungeListingPoller.cs
@@ -22,7 +22,7 @@ namespace osu.Game.Screens.OnlinePlay.Lounge
         private IAPIProvider api { get; set; } = null!;
 
         public required Action<Room[]> RoomsReceived { get; init; }
-        public readonly IBindable<FilterCriteria?> Filter = new Bindable<FilterCriteria?>();
+        public readonly IBindable<LoungeFilterCriteria?> Filter = new Bindable<LoungeFilterCriteria?>();
 
         private GetRoomsRequest? lastPollRequest;
 
diff --git a/osu.Game/Screens/OnlinePlay/Lounge/LoungeSubScreen.cs b/osu.Game/Screens/OnlinePlay/Lounge/LoungeSubScreen.cs
index b4b039501f..d1473bacc5 100644
--- a/osu.Game/Screens/OnlinePlay/Lounge/LoungeSubScreen.cs
+++ b/osu.Game/Screens/OnlinePlay/Lounge/LoungeSubScreen.cs
@@ -73,7 +73,7 @@ namespace osu.Game.Screens.OnlinePlay.Lounge
 
         private IDisposable? joiningRoomOperation;
 
-        private readonly Bindable<FilterCriteria?> filter = new Bindable<FilterCriteria?>();
+        private readonly Bindable<LoungeFilterCriteria?> filter = new Bindable<LoungeFilterCriteria?>();
         private readonly Bindable<bool> hasListingResults = new Bindable<bool>();
         private readonly IBindable<bool> operationInProgress = new Bindable<bool>();
         private readonly IBindable<bool> isIdle = new BindableBool();
@@ -262,7 +262,7 @@ namespace osu.Game.Screens.OnlinePlay.Lounge
             filter.Value = CreateFilterCriteria();
         }
 
-        protected virtual FilterCriteria CreateFilterCriteria() => new FilterCriteria
+        protected virtual LoungeFilterCriteria CreateFilterCriteria() => new LoungeFilterCriteria
         {
             SearchString = searchTextBox.Current.Value,
             Ruleset = ruleset.Value,
diff --git a/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerLoungeSubScreen.cs b/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerLoungeSubScreen.cs
index 5e2619eae3..2b61f3240d 100644
--- a/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerLoungeSubScreen.cs
+++ b/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerLoungeSubScreen.cs
@@ -56,7 +56,7 @@ namespace osu.Game.Screens.OnlinePlay.Multiplayer
             StatusDropdown.Current.BindValueChanged(_ => showInProgress.Alpha = StatusDropdown.Current.Value == RoomModeFilter.Open ? 1 : 0, true);
         }
 
-        protected override FilterCriteria CreateFilterCriteria()
+        protected override LoungeFilterCriteria CreateFilterCriteria()
         {
             var criteria = base.CreateFilterCriteria();
             criteria.Category = @"realtime";
diff --git a/osu.Game/Screens/OnlinePlay/Playlists/PlaylistsLoungeSubScreen.cs b/osu.Game/Screens/OnlinePlay/Playlists/PlaylistsLoungeSubScreen.cs
index cc4065a82b..a095a5c0ef 100644
--- a/osu.Game/Screens/OnlinePlay/Playlists/PlaylistsLoungeSubScreen.cs
+++ b/osu.Game/Screens/OnlinePlay/Playlists/PlaylistsLoungeSubScreen.cs
@@ -38,7 +38,7 @@ namespace osu.Game.Screens.OnlinePlay.Playlists
             return base.CreateFilterControls().Append(categoryDropdown);
         }
 
-        protected override FilterCriteria CreateFilterCriteria()
+        protected override LoungeFilterCriteria CreateFilterCriteria()
         {
             var criteria = base.CreateFilterCriteria();
 
diff --git a/osu.Game/Screens/Select/FilterControl.DifficultyRangeSlider.cs b/osu.Game/Screens/Select/FilterControl.DifficultyRangeSlider.cs
index 902b335c62..718e55df13 100644
--- a/osu.Game/Screens/Select/FilterControl.DifficultyRangeSlider.cs
+++ b/osu.Game/Screens/Select/FilterControl.DifficultyRangeSlider.cs
@@ -45,7 +45,7 @@ namespace osu.Game.Screens.Select
             }
 
             [BackgroundDependencyLoader]
-            private void load(OverlayColourProvider colourProvider, OsuColour colours)
+            private void load(OverlayColourProvider colourProvider)
             {
                 SliderContainer.AddRange(new Drawable[]
                 {
diff --git a/osu.Game/Screens/Select/FilterControl.cs b/osu.Game/Screens/Select/FilterControl.cs
index 32dd22da3e..c8c4343637 100644
--- a/osu.Game/Screens/Select/FilterControl.cs
+++ b/osu.Game/Screens/Select/FilterControl.cs
@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Collections.Immutable;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
@@ -13,6 +12,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
 using osu.Framework.Input.Events;
 using osu.Framework.Localisation;
+using osu.Framework.Threading;
 using osu.Game.Beatmaps;
 using osu.Game.Collections;
 using osu.Game.Configuration;
@@ -244,8 +244,20 @@ namespace osu.Game.Screens.Select
             });
 
             searchTextBox.Current.BindValueChanged(_ => updateCriteria());
-            difficultyRangeSlider.LowerBound.BindValueChanged(_ => updateCriteria());
-            difficultyRangeSlider.UpperBound.BindValueChanged(_ => updateCriteria());
+
+            ScheduledDelegate? sliderDebounce = null;
+
+            // For slider dragging (where input events can arrive very often), even creating criteria can have
+            // overhead, especially when a collection is selected (see ToImmutableHashSet() call).
+            void debouncedUpdateCriteria()
+            {
+                sliderDebounce?.Cancel();
+                sliderDebounce = Scheduler.AddDelayed(() => updateCriteria(), 50);
+            }
+
+            difficultyRangeSlider.LowerBound.BindValueChanged(_ => debouncedUpdateCriteria());
+            difficultyRangeSlider.UpperBound.BindValueChanged(_ => debouncedUpdateCriteria());
+
             showConvertedBeatmapsButton.Active.BindValueChanged(_ => updateCriteria());
             sortDropdown.Current.BindValueChanged(_ => updateCriteria());
             groupDropdown.Current.BindValueChanged(_ => updateCriteria());
@@ -258,7 +270,7 @@ namespace osu.Game.Screens.Select
 
                 updateCriteria();
             });
-            collectionsSubscription = realm.RegisterForNotifications(r => r.All<BeatmapCollection>(), (collections, changeSet) =>
+            collectionsSubscription = realm.RegisterForNotifications(r => r.All<BeatmapCollection>(), (_, changeSet) =>
             {
                 if (changeSet != null && groupDropdown.Current.Value.Value == GroupMode.Collections)
                     updateCriteria();
@@ -293,7 +305,7 @@ namespace osu.Game.Screens.Select
                 AllowConvertedBeatmaps = showConvertedBeatmapsButton.Active.Value,
                 Ruleset = ruleset.Value,
                 Mods = mods.Value,
-                CollectionBeatmapMD5Hashes = collectionDropdown.Current.Value?.Collection?.PerformRead(c => c.BeatmapMD5Hashes).ToImmutableHashSet(),
+                Collection = collectionDropdown.Current.Value?.Collection,
                 LocalUserId = isValidUser ? localUser.Value.Id : null,
                 LocalUserUsername = isValidUser ? localUser.Value.Username : null,
             };
diff --git a/osu.Game/Screens/Select/FilterCriteria.cs b/osu.Game/Screens/Select/FilterCriteria.cs
index 1c70132850..750938ceb8 100644
--- a/osu.Game/Screens/Select/FilterCriteria.cs
+++ b/osu.Game/Screens/Select/FilterCriteria.cs
@@ -3,11 +3,13 @@
 
 using System;
 using System.Collections.Generic;
+using System.Collections.Immutable;
 using System.Globalization;
 using System.Linq;
 using System.Text.RegularExpressions;
 using osu.Game.Beatmaps;
 using osu.Game.Collections;
+using osu.Game.Database;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Filter;
 using osu.Game.Rulesets.Mods;
@@ -111,10 +113,24 @@ namespace osu.Game.Screens.Select
             }
         }
 
+        private ImmutableHashSet<string>? collectionBeatmapMD5Hashes;
+        private Live<BeatmapCollection>? collection;
+
         /// <summary>
         /// Hashes from the <see cref="BeatmapCollection"/> to filter to.
         /// </summary>
-        public IEnumerable<string>? CollectionBeatmapMD5Hashes { get; set; }
+        public IEnumerable<string>? CollectionBeatmapMD5Hashes =>
+            collectionBeatmapMD5Hashes ??= Collection?.PerformRead(c => c.BeatmapMD5Hashes.ToImmutableHashSet());
+
+        public Live<BeatmapCollection>? Collection
+        {
+            get => collection;
+            set
+            {
+                collection = value;
+                collectionBeatmapMD5Hashes = null;
+            }
+        }
 
         public IRulesetFilterCriteria? RulesetCriteria { get; set; }