diff --git a/Craftimizer/Windows/SynthHelper.cs b/Craftimizer/Windows/SynthHelper.cs
index d1853c8..3eb70b7 100644
--- a/Craftimizer/Windows/SynthHelper.cs
+++ b/Craftimizer/Windows/SynthHelper.cs
@@ -427,7 +427,7 @@ private void DrawMacroActions()
         }
 
         if (ImGui.Button("Open in Macro Editor", new(-1, 0)))
-            Service.Plugin.OpenMacroEditor(CharacterStats!, RecipeData!, new(Service.ClientState.LocalPlayer!.StatusList), Enumerable.Empty<ActionType>(), null);
+            Service.Plugin.OpenMacroEditor(CharacterStats!, RecipeData!, new(Service.ClientState.LocalPlayer!.StatusList), [], null);
     }
 
     private void OnStartCrafting(ushort recipeId)
diff --git a/Simulator/SimulationState.cs b/Simulator/SimulationState.cs
index 8147cdb..2fdc631 100644
--- a/Simulator/SimulationState.cs
+++ b/Simulator/SimulationState.cs
@@ -18,12 +18,12 @@ public record struct SimulationState
     public ActionStates ActionStates;
 
     // https://github.com/ffxiv-teamcraft/simulator/blob/0682dfa76043ff4ccb38832c184d046ceaff0733/src/model/tables.ts#L2
-    private static ReadOnlySpan<int> HQPercentTable => new[] {
+    private static ReadOnlySpan<int> HQPercentTable => [
         1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8,
         9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 17, 17,
         17, 18, 18, 18, 19, 19, 20, 20, 21, 22, 23, 24, 26, 28, 31, 34, 38, 42, 47, 52, 58, 64, 68, 71,
         74, 76, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 94, 96, 98, 100
-    };
+    ];
     public readonly int HQPercent => HQPercentTable[(int)Math.Clamp((float)Quality / Input.Recipe.MaxQuality * 100, 0, 100)];
     public readonly int Collectability => Math.Max(Quality / 10, 1);
     public readonly int MaxCollectability => Math.Max(Input.Recipe.MaxQuality / 10, 1);
diff --git a/Solver/MCTS.cs b/Solver/MCTS.cs
index b2030c4..8732110 100644
--- a/Solver/MCTS.cs
+++ b/Solver/MCTS.cs
@@ -176,9 +176,8 @@ private Node Select()
         }
     }
 
-    [MethodImpl(MethodImplOptions.NoInlining)]
     [SkipLocalsInit]
-    private (Node ExpandedNode, float Score) ExpandAndRollout(Random random, Simulator simulator, Node initialNode)
+    private (Node ExpandedNode, float Score) ExpandAndRollout(Random random, Simulator simulator, Node initialNode, Span<ActionType> actionBuffer)
     {
         ref var initialState = ref initialNode.State;
         // expand once
@@ -194,7 +193,7 @@ private Node Select()
         var currentActions = expandedNode.State.AvailableActions;
 
         byte actionCount = 0;
-        Span<ActionType> actions = stackalloc ActionType[Math.Min(config.MaxStepCount - currentState.ActionCount, config.MaxRolloutStepCount)];
+        var actions = actionBuffer[..Math.Min(config.MaxStepCount - currentState.ActionCount, config.MaxRolloutStepCount)];
         while (SimulationNode.GetCompletionState(currentCompletionState, currentActions) == CompletionState.Incomplete &&
             actionCount < actions.Length)
         {
@@ -260,16 +259,18 @@ static bool NodesIncomplete(Node node, Stack<Node> path)
         return !NodesIncomplete(rootNode, new());
     }
 
-    public void Search(int iterations, ref int progress, CancellationToken token)
+    [SkipLocalsInit]
+    public unsafe void Search(int iterations, ref int progress, CancellationToken token)
     {
         var simulator = new Simulator(config.ActionPool, config.MaxStepCount, rootNode.State.State);
         var random = rootNode.State.State.Input.Random;
         var staleCounter = 0;
         var i = 0;
+        Span<ActionType> actionBuffer = stackalloc ActionType[Math.Min(config.MaxStepCount, config.MaxRolloutStepCount)];
         for (; i < iterations || MaxScore == 0; i++)
         {
             var selectedNode = Select();
-            var (endNode, score) = ExpandAndRollout(random, simulator, selectedNode);
+            var (endNode, score) = ExpandAndRollout(random, simulator, selectedNode, actionBuffer);
             if (MaxScore == 0)
             {
                 if (endNode == selectedNode)
diff --git a/Solver/Simulator.cs b/Solver/Simulator.cs
index a7be9be..d8ba790 100644
--- a/Solver/Simulator.cs
+++ b/Solver/Simulator.cs
@@ -29,7 +29,7 @@ public Simulator(ActionType[] actionPool, int maxStepCount, SimulationState? fil
             State = state;
             pool = pool.Where(x => x.Item1.IsPossible(this));
         }
-        actionPoolObjects = pool.OrderBy(x => x.x).ToArray();
+        actionPoolObjects = [.. pool.OrderBy(x => x.x)];
         this.maxStepCount = maxStepCount;
     }
 
diff --git a/Solver/SolverConfig.cs b/Solver/SolverConfig.cs
index 8241ea8..e2f300a 100644
--- a/Solver/SolverConfig.cs
+++ b/Solver/SolverConfig.cs
@@ -62,7 +62,7 @@ public SolverConfig()
     }
 
     public static ActionType[] OptimizeActionPool(IEnumerable<ActionType> actions) =>
-        actions.Order().ToArray();
+        [.. actions.Order()];
 
     public static readonly ActionType[] DeterministicActionPool = OptimizeActionPool(new[]
     {