diff --git a/Penumbra/Communication/ModPathChanged.cs b/Penumbra/Communication/ModPathChanged.cs
index 3ec64f7e..e6291781 100644
--- a/Penumbra/Communication/ModPathChanged.cs
+++ b/Penumbra/Communication/ModPathChanged.cs
@@ -19,6 +19,9 @@ public sealed class ModPathChanged()
 {
     public enum Priority
     {
+        /// <seealso cref="EphemeralConfig.OnModPathChanged"/>
+        EphemeralConfig = -500,
+
         /// <seealso cref="Collections.Cache.CollectionCacheManager.OnModChangeAddition"/>
         CollectionCacheManagerAddition = -100,
 
diff --git a/Penumbra/EphemeralConfig.cs b/Penumbra/EphemeralConfig.cs
index 6c87d331..8cf23de6 100644
--- a/Penumbra/EphemeralConfig.cs
+++ b/Penumbra/EphemeralConfig.cs
@@ -2,7 +2,10 @@ using Dalamud.Interface.Internal.Notifications;
 using Newtonsoft.Json;
 using OtterGui.Classes;
 using Penumbra.Api.Enums;
+using Penumbra.Communication;
 using Penumbra.Enums;
+using Penumbra.Mods;
+using Penumbra.Mods.Manager;
 using Penumbra.Services;
 using Penumbra.UI;
 using Penumbra.UI.ResourceWatcher;
@@ -11,11 +14,14 @@ using ErrorEventArgs = Newtonsoft.Json.Serialization.ErrorEventArgs;
 
 namespace Penumbra;
 
-public class EphemeralConfig : ISavable
+public class EphemeralConfig : ISavable, IDisposable
 {
     [JsonIgnore]
     private readonly SaveService _saveService;
 
+    [JsonIgnore]
+    private readonly ModPathChanged _modPathChanged;
+
     public int                               Version                           { get; set; } = Configuration.Constants.CurrentVersion;
     public int                               LastSeenVersion                   { get; set; } = PenumbraChangelog.LastChangelogVersion;
     public bool                              DebugSeparateWindow               { get; set; } = false;
@@ -31,17 +37,24 @@ public class EphemeralConfig : ISavable
     public TabType                           SelectedTab                       { get; set; } = TabType.Settings;
     public ChangedItemDrawer.ChangedItemIcon ChangedItemFilter                 { get; set; } = ChangedItemDrawer.DefaultFlags;
     public bool                              FixMainWindow                     { get; set; } = false;
+    public string                            LastModPath                       { get; set; } = string.Empty;
+    public bool                              AdvancedEditingOpen               { get; set; } = false;
 
     /// <summary>
     /// Load the current configuration.
     /// Includes adding new colors and migrating from old versions.
     /// </summary>
-    public EphemeralConfig(SaveService saveService)
+    public EphemeralConfig(SaveService saveService, ModPathChanged modPathChanged)
     {
-        _saveService = saveService;
+        _saveService         = saveService;
+        _modPathChanged = modPathChanged;
         Load();
+        _modPathChanged.Subscribe(OnModPathChanged, ModPathChanged.Priority.EphemeralConfig);
     }
 
+    public void Dispose()
+        => _modPathChanged.Unsubscribe(OnModPathChanged);
+
     private void Load()
     {
         static void HandleDeserializationError(object? sender, ErrorEventArgs errorArgs)
@@ -80,8 +93,19 @@ public class EphemeralConfig : ISavable
 
     public void Save(StreamWriter writer)
     {
-        using var jWriter    = new JsonTextWriter(writer) { Formatting = Formatting.Indented };
+        using var jWriter    = new JsonTextWriter(writer);
+        jWriter.Formatting = Formatting.Indented;
         var       serializer = new JsonSerializer { Formatting         = Formatting.Indented };
         serializer.Serialize(jWriter, this);
     }
+
+    /// <summary> Overwrite the last saved mod path if it changes. </summary>
+    private void OnModPathChanged(ModPathChangeType type, Mod mod, DirectoryInfo? old, DirectoryInfo? _)
+    {
+        if (type is not ModPathChangeType.Moved || !string.Equals(old?.Name, LastModPath, StringComparison.OrdinalIgnoreCase))
+            return;
+
+        LastModPath = mod.Identifier;
+        Save();
+    }
 }
diff --git a/Penumbra/UI/AdvancedWindow/ModEditWindow.cs b/Penumbra/UI/AdvancedWindow/ModEditWindow.cs
index 96957ba8..167adafe 100644
--- a/Penumbra/UI/AdvancedWindow/ModEditWindow.cs
+++ b/Penumbra/UI/AdvancedWindow/ModEditWindow.cs
@@ -145,12 +145,20 @@ public partial class ModEditWindow : Window, IDisposable
         _materialTab.Reset();
         _modelTab.Reset();
         _shaderPackageTab.Reset();
+        _config.Ephemeral.AdvancedEditingOpen = false;
+        _config.Ephemeral.Save();
     }
 
     public override void Draw()
     {
         using var performance = _performance.Measure(PerformanceType.UiAdvancedWindow);
 
+        if (!_config.Ephemeral.AdvancedEditingOpen)
+        {
+            _config.Ephemeral.AdvancedEditingOpen = true;
+            _config.Ephemeral.Save();
+        }
+
         using var tabBar = ImRaii.TabBar("##tabs");
         if (!tabBar)
             return;
@@ -566,34 +574,36 @@ public partial class ModEditWindow : Window, IDisposable
     public ModEditWindow(PerformanceTracker performance, FileDialogService fileDialog, ItemSwapTab itemSwapTab, IDataManager gameData,
         Configuration config, ModEditor editor, ResourceTreeFactory resourceTreeFactory, MetaFileManager metaFileManager,
         StainService stainService, ActiveCollections activeCollections, ModMergeTab modMergeTab,
-        CommunicatorService communicator, TextureManager textures, ModelManager models, IDragDropManager dragDropManager, 
+        CommunicatorService communicator, TextureManager textures, ModelManager models, IDragDropManager dragDropManager,
         ChangedItemDrawer changedItemDrawer, IObjectTable objects, IFramework framework, CharacterBaseDestructor characterBaseDestructor)
         : base(WindowBaseLabel)
     {
-        _performance                  = performance;
-        _itemSwapTab                  = itemSwapTab;
-        _gameData                     = gameData;
-        _config                       = config;
-        _editor                       = editor;
-        _metaFileManager              = metaFileManager;
-        _stainService                 = stainService;
-        _activeCollections            = activeCollections;
-        _modMergeTab                  = modMergeTab;
-        _communicator                 = communicator;
-        _dragDropManager              = dragDropManager;
-        _textures                     = textures;
-        _models            = models;
-        _fileDialog                   = fileDialog;
-        _objects                      = objects;
-        _framework                    = framework;
+        _performance             = performance;
+        _itemSwapTab             = itemSwapTab;
+        _gameData                = gameData;
+        _config                  = config;
+        _editor                  = editor;
+        _metaFileManager         = metaFileManager;
+        _stainService            = stainService;
+        _activeCollections       = activeCollections;
+        _modMergeTab             = modMergeTab;
+        _communicator            = communicator;
+        _dragDropManager         = dragDropManager;
+        _textures                = textures;
+        _models                  = models;
+        _fileDialog              = fileDialog;
+        _objects                 = objects;
+        _framework               = framework;
         _characterBaseDestructor = characterBaseDestructor;
         _materialTab = new FileEditor<MtrlTab>(this, gameData, config, _editor.Compactor, _fileDialog, "Materials", ".mtrl",
             () => PopulateIsOnPlayer(_editor.Files.Mtrl, ResourceType.Mtrl), DrawMaterialPanel, () => _mod?.ModPath.FullName ?? string.Empty,
             (bytes, path, writable) => new MtrlTab(this, new MtrlFile(bytes), path, writable));
         _modelTab = new FileEditor<MdlTab>(this, gameData, config, _editor.Compactor, _fileDialog, "Models", ".mdl",
-            () => PopulateIsOnPlayer(_editor.Files.Mdl, ResourceType.Mdl), DrawModelPanel, () => _mod?.ModPath.FullName ?? string.Empty, (bytes, path, _) => new MdlTab(this, bytes, path, _mod));
+            () => PopulateIsOnPlayer(_editor.Files.Mdl, ResourceType.Mdl), DrawModelPanel, () => _mod?.ModPath.FullName ?? string.Empty,
+            (bytes, path, _) => new MdlTab(this, bytes, path, _mod));
         _shaderPackageTab = new FileEditor<ShpkTab>(this, gameData, config, _editor.Compactor, _fileDialog, "Shaders", ".shpk",
-            () => PopulateIsOnPlayer(_editor.Files.Shpk, ResourceType.Shpk), DrawShaderPackagePanel, () => _mod?.ModPath.FullName ?? string.Empty,
+            () => PopulateIsOnPlayer(_editor.Files.Shpk, ResourceType.Shpk), DrawShaderPackagePanel,
+            () => _mod?.ModPath.FullName ?? string.Empty,
             (bytes, _, _) => new ShpkTab(_fileDialog, bytes));
         _center              = new CombinedTexture(_left, _right);
         _textureSelectCombo  = new TextureDrawer.PathSelectCombo(textures, editor, () => GetPlayerResourcesOfType(ResourceType.Tex));
@@ -601,6 +611,7 @@ public partial class ModEditWindow : Window, IDisposable
         _quickImportViewer =
             new ResourceTreeViewer(_config, resourceTreeFactory, changedItemDrawer, 2, OnQuickImportRefresh, DrawQuickImportActions);
         _communicator.ModPathChanged.Subscribe(OnModPathChange, ModPathChanged.Priority.ModEditWindow);
+        IsOpen = _config is { OpenWindowAtStart: true, Ephemeral.AdvancedEditingOpen: true };
     }
 
     public void Dispose()
diff --git a/Penumbra/UI/ModsTab/ModFileSystemSelector.cs b/Penumbra/UI/ModsTab/ModFileSystemSelector.cs
index c42b1018..0990f27b 100644
--- a/Penumbra/UI/ModsTab/ModFileSystemSelector.cs
+++ b/Penumbra/UI/ModsTab/ModFileSystemSelector.cs
@@ -39,8 +39,7 @@ public sealed class ModFileSystemSelector : FileSystemSelector<Mod, ModFileSyste
 
     public ModFileSystemSelector(IKeyState keyState, CommunicatorService communicator, ModFileSystem fileSystem, ModManager modManager,
         CollectionManager collectionManager, Configuration config, TutorialService tutorial, FileDialogService fileDialog,
-        MessageService messager,
-        ModImportManager modImportManager, IDragDropManager dragDrop)
+        MessageService messager, ModImportManager modImportManager, IDragDropManager dragDrop)
         : base(fileSystem, keyState, Penumbra.Log, HandleException, allowMultipleSelection: true)
     {
         _communicator      = communicator;
@@ -77,7 +76,15 @@ public sealed class ModFileSystemSelector : FileSystemSelector<Mod, ModFileSyste
         // @formatter:on
         SetFilterTooltip();
 
-        SelectionChanged += OnSelectionChange;
+        SelectionChanged += OnSelectionChange;
+        if (_config.Ephemeral.LastModPath.Length > 0)
+        {
+            var mod = _modManager.FirstOrDefault(m
+                => string.Equals(m.Identifier, _config.Ephemeral.LastModPath, StringComparison.OrdinalIgnoreCase));
+            if (mod != null)
+                SelectByValue(mod);
+        }
+
         _communicator.CollectionChange.Subscribe(OnCollectionChange, CollectionChange.Priority.ModFileSystemSelector);
         _communicator.ModSettingChanged.Subscribe(OnSettingChange, ModSettingChanged.Priority.ModFileSystemSelector);
         _communicator.CollectionInheritanceChanged.Subscribe(OnInheritanceChange, CollectionInheritanceChanged.Priority.ModFileSystemSelector);
@@ -87,15 +94,15 @@ public sealed class ModFileSystemSelector : FileSystemSelector<Mod, ModFileSyste
         OnCollectionChange(CollectionType.Current, null, _collectionManager.Active.Current, "");
     }
 
-    private static readonly string[] ValidModExtensions = new[]
-    {
+    private static readonly string[] ValidModExtensions =
+    [
         ".ttmp",
         ".ttmp2",
         ".pmp",
         ".zip",
         ".rar",
         ".7z",
-    };
+    ];
 
     public new void Draw(float width)
     {
@@ -476,6 +483,13 @@ public sealed class ModFileSystemSelector : FileSystemSelector<Mod, ModFileSyste
             (var settings, SelectedSettingCollection) = _collectionManager.Active.Current[newSelection.Index];
             SelectedSettings                          = settings ?? ModSettings.Empty;
         }
+
+        var name = newSelection?.Identifier ?? string.Empty;
+        if (name != _config.Ephemeral.LastModPath)
+        {
+            _config.Ephemeral.LastModPath = name;
+            _config.Ephemeral.Save();
+        }
     }
 
     // Keep selections across rediscoveries if possible.
@@ -522,7 +536,7 @@ public sealed class ModFileSystemSelector : FileSystemSelector<Mod, ModFileSyste
           + "Enter t:[string] to filter for mods set to specific tags.\n"
           + "Enter n:[string] to filter only for mod names and no paths.\n"
           + "Enter a:[string] to filter for mods by specific authors.\n"
-          + $"Enter s:[string] to filter for mods by the categories of the items they change (1-{ChangedItemDrawer.NumCategories+1} or partial category name).\n"
+          + $"Enter s:[string] to filter for mods by the categories of the items they change (1-{ChangedItemDrawer.NumCategories + 1} or partial category name).\n"
           + "Use None as a placeholder value that only matches empty lists or names.";
     }