From 9852feaf0862a199a28ee131a863a0d65bd9a6cc Mon Sep 17 00:00:00 2001
From: Haselnussbomber <mail@haselnussbomber.de>
Date: Wed, 8 Oct 2025 03:41:31 +0200
Subject: [PATCH 1/2] Add RentedSeStringBuilder

Co-authored-by: Soreepeong <3614868+Soreepeong@users.noreply.github.com>
---
 Dalamud/Utility/RentedSeStringBuilder.cs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Dalamud/Utility/RentedSeStringBuilder.cs

diff --git a/Dalamud/Utility/RentedSeStringBuilder.cs b/Dalamud/Utility/RentedSeStringBuilder.cs
new file mode 100644
index 000000000..93a45d967
--- /dev/null
+++ b/Dalamud/Utility/RentedSeStringBuilder.cs
@@ -0,0 +1,19 @@
+using Lumina.Text;
+
+namespace Dalamud.Utility;
+
+/// <summary>
+/// Provides a temporarily rented <see cref="SeStringBuilder"/> from a shared pool.
+/// </summary>
+public readonly struct RentedSeStringBuilder() : IDisposable
+{
+    /// <summary>
+    /// Gets the rented <see cref="SeStringBuilder"/> value from the shared pool.
+    /// </summary>
+    public SeStringBuilder Builder { get; } = SeStringBuilder.SharedPool.Get();
+
+    /// <summary>
+    /// Returns the rented <see cref="SeStringBuilder"/> to the shared pool.
+    /// </summary>
+    public void Dispose() => SeStringBuilder.SharedPool.Return(this.Builder);
+}

From 4a869bad3f4a2ff5f2a8c739c71234c40fa0cf55 Mon Sep 17 00:00:00 2001
From: Haselnussbomber <mail@haselnussbomber.de>
Date: Wed, 8 Oct 2025 03:41:34 +0200
Subject: [PATCH 2/2] Use Luminas SeStringBuilder in DalamudAtkTweaks

---
 Dalamud/Game/Internal/DalamudAtkTweaks.cs | 30 ++++++++++++++---------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/Dalamud/Game/Internal/DalamudAtkTweaks.cs b/Dalamud/Game/Internal/DalamudAtkTweaks.cs
index 83a2f3525..486af463c 100644
--- a/Dalamud/Game/Internal/DalamudAtkTweaks.cs
+++ b/Dalamud/Game/Internal/DalamudAtkTweaks.cs
@@ -1,12 +1,12 @@
 using CheapLoc;
+
 using Dalamud.Configuration.Internal;
 using Dalamud.Game.Text;
-using Dalamud.Game.Text.SeStringHandling;
-using Dalamud.Game.Text.SeStringHandling.Payloads;
 using Dalamud.Hooking;
 using Dalamud.Interface.Internal;
 using Dalamud.Interface.Windowing;
 using Dalamud.Logging.Internal;
+using Dalamud.Utility;
 
 using FFXIVClientStructs.FFXIV.Client.UI;
 using FFXIVClientStructs.FFXIV.Client.UI.Agent;
@@ -185,17 +185,23 @@ internal sealed unsafe class DalamudAtkTweaks : IInternalDisposableService
         secondStringEntry->ChangeType(ValueType.String);
 
         const int color = 539;
-        var strPlugins = new SeString().Append(new UIForegroundPayload(color))
-                                       .Append($"{SeIconChar.BoxedLetterD.ToIconString()} ")
-                                       .Append(new UIForegroundPayload(0))
-                                       .Append(this.locDalamudPlugins).Encode();
-        var strSettings = new SeString().Append(new UIForegroundPayload(color))
-                                        .Append($"{SeIconChar.BoxedLetterD.ToIconString()} ")
-                                        .Append(new UIForegroundPayload(0))
-                                        .Append(this.locDalamudSettings).Encode();
 
-        firstStringEntry->SetManagedString(strPlugins);
-        secondStringEntry->SetManagedString(strSettings);
+        using var rssb = new RentedSeStringBuilder();
+
+        firstStringEntry->SetManagedString(rssb.Builder
+            .PushColorType(color)
+            .Append($"{SeIconChar.BoxedLetterD.ToIconString()} ")
+            .PopColorType()
+            .Append(this.locDalamudPlugins)
+            .GetViewAsSpan());
+
+        rssb.Builder.Clear();
+        secondStringEntry->SetManagedString(rssb.Builder
+            .PushColorType(color)
+            .Append($"{SeIconChar.BoxedLetterD.ToIconString()} ")
+            .PopColorType()
+            .Append(this.locDalamudSettings)
+            .GetViewAsSpan());
 
         // open menu with new size
         var sizeEntry = &atkValueArgs[4];