Some small fixes/improvements.

Penumbra.GameData/Data/DataSharer.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Threading.Tasks;
 using Dalamud;
 using Dalamud.Logging;

Penumbra/Collections/Cache/CollectionCache.cs

@@ -3,7 +3,6 @@ using OtterGui.Classes;
 using Penumbra.Meta.Manipulations;
 using Penumbra.Mods;
 using System;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;

Penumbra/Collections/Cache/CollectionCacheManager.cs

@@ -325,17 +325,12 @@ public class CollectionCacheManager : IDisposable
     /// </summary>
     public void CreateNecessaryCaches()
     {
-        var tasks = _active.SpecialAssignments.Select(p => p.Value)
+        Parallel.ForEach(_active.SpecialAssignments.Select(p => p.Value)
             .Concat(_active.Individuals.Select(p => p.Collection))
             .Prepend(_active.Current)
             .Prepend(_active.Default)
             .Prepend(_active.Interface)
-            .Where(CreateCache)
+            .Where(CreateCache), CalculateEffectiveFileListInternal);
-            .Select(c => Task.Run(() => CalculateEffectiveFileListInternal(c)))
-            .ToArray();
-
-        Penumbra.Log.Debug($"Creating {tasks.Length} necessary caches.");
-        Task.WaitAll(tasks);
     }
 
     private void OnModDiscoveryStarted()
@@ -349,10 +344,7 @@ public class CollectionCacheManager : IDisposable
     }
 
     private void OnModDiscoveryFinished()
-    {
+        => Parallel.ForEach(Active, CalculateEffectiveFileListInternal);
-        var tasks = Active.Select(c => Task.Run(() => CalculateEffectiveFileListInternal(c))).ToArray();
-        Task.WaitAll(tasks);
-    }
 
     /// <summary>
     /// Update forced files only on framework.

Penumbra/CommandHandler.cs

@@ -51,11 +51,13 @@ public class CommandHandler : IDisposable
         _collectionEditor  = collectionEditor;
         framework.RunOnFrameworkThread(() =>
         {
+            _commandManager.RemoveHandler(CommandName);
             _commandManager.AddHandler(CommandName, new CommandInfo(OnCommand)
             {
                 HelpMessage = "Without arguments, toggles the main window. Use /penumbra help to get further command help.",
                 ShowInHelp  = true,
             });
+            Penumbra.Log.Information($"Registered {CommandName} with Dalamud.");
         });
     }
 

Penumbra/Interop/Services/CharacterUtility.cs

@@ -141,6 +141,9 @@ public unsafe partial class CharacterUtility : IDisposable
     /// <summary> Return all relevant resources to the default resource. </summary>
     public void ResetAll()
     {
+        if (!Ready)
+            return;
+
         foreach (var list in _lists)
             list.Dispose();
 

Penumbra/Penumbra.cs

@@ -1,3 +1,4 @@
+using System;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -86,8 +87,9 @@ public class Penumbra : IDalamudPlugin
             if (_characterUtility.Ready)
                 _residentResources.Reload();
         }
-        catch
+        catch(Exception ex)
         {
+            Log.Error($"Error constructing Penumbra, Disposing again:\n{ex}");
             Dispose();
             throw;
         }