diff --git a/Benchmarks/ConsoleDrivers/EscSeqUtils/CSI_SetVsAppend.cs b/Benchmarks/ConsoleDrivers/EscSeqUtils/CSI_SetVsAppend.cs
new file mode 100644
index 000000000..169ebd740
--- /dev/null
+++ b/Benchmarks/ConsoleDrivers/EscSeqUtils/CSI_SetVsAppend.cs
@@ -0,0 +1,48 @@
+using System.Text;
+using BenchmarkDotNet.Attributes;
+using Tui = Terminal.Gui;
+
+namespace Terminal.Gui.Benchmarks.ConsoleDrivers.EscSeqUtils;
+
+/// <summary>
+/// Compares the Set and Append implementations in combination.
+/// </summary>
+/// <remarks>
+/// A bit misleading because *CursorPosition is called very seldom compared to the other operations
+/// but they are very similar in performance because they do very similar things.
+/// </remarks>
+[MemoryDiagnoser]
+[BenchmarkCategory (nameof (Tui.EscSeqUtils))]
+// Hide useless empty column from results.
+[HideColumns ("stringBuilder")]
+public class CSI_SetVsAppend
+{
+    [Benchmark (Baseline = true)]
+    [ArgumentsSource (nameof (StringBuilderSource))]
+    public StringBuilder Set (StringBuilder stringBuilder)
+    {
+        stringBuilder.Append (Tui.EscSeqUtils.CSI_SetBackgroundColorRGB (1, 2, 3));
+        stringBuilder.Append (Tui.EscSeqUtils.CSI_SetForegroundColorRGB (3, 2, 1));
+        stringBuilder.Append (Tui.EscSeqUtils.CSI_SetCursorPosition (4, 2));
+        // Clear to prevent out of memory exception from consecutive iterations.
+        stringBuilder.Clear ();
+        return stringBuilder;
+    }
+
+    [Benchmark]
+    [ArgumentsSource (nameof (StringBuilderSource))]
+    public StringBuilder Append (StringBuilder stringBuilder)
+    {
+        Tui.EscSeqUtils.CSI_AppendBackgroundColorRGB (stringBuilder, 1, 2, 3);
+        Tui.EscSeqUtils.CSI_AppendForegroundColorRGB (stringBuilder, 3, 2, 1);
+        Tui.EscSeqUtils.CSI_AppendCursorPosition (stringBuilder, 4, 2);
+        // Clear to prevent out of memory exception from consecutive iterations.
+        stringBuilder.Clear ();
+        return stringBuilder;
+    }
+
+    public static IEnumerable<object> StringBuilderSource ()
+    {
+        return [new StringBuilder ()];
+    }
+}
diff --git a/Terminal.Gui/ConsoleDrivers/EscSeqUtils/EscSeqUtils.cs b/Terminal.Gui/ConsoleDrivers/EscSeqUtils/EscSeqUtils.cs
index 5ce2af939..5bfdf039e 100644
--- a/Terminal.Gui/ConsoleDrivers/EscSeqUtils/EscSeqUtils.cs
+++ b/Terminal.Gui/ConsoleDrivers/EscSeqUtils/EscSeqUtils.cs
@@ -411,25 +411,25 @@ public static class EscSeqUtils
     {
         // These control characters are used in the vtXXX emulation.
         return c switch
-               {
-                   'D' => "IND", // Index
-                   'E' => "NEL", // Next Line
-                   'H' => "HTS", // Tab Set
-                   'M' => "RI", // Reverse Index
-                   'N' => "SS2", // Single Shift Select of G2 Character Set: affects next character only
-                   'O' => "SS3", // Single Shift Select of G3 Character Set: affects next character only
-                   'P' => "DCS", // Device Control String
-                   'V' => "SPA", // Start of Guarded Area
-                   'W' => "EPA", // End of Guarded Area
-                   'X' => "SOS", // Start of String
-                   'Z' => "DECID", // Return Terminal ID Obsolete form of CSI c (DA)
-                   '[' => "CSI", // Control Sequence Introducer
-                   '\\' => "ST", // String Terminator
-                   ']' => "OSC", // Operating System Command
-                   '^' => "PM", // Privacy Message
-                   '_' => "APC", // Application Program Command
-                   _ => string.Empty
-               };
+        {
+            'D' => "IND", // Index
+            'E' => "NEL", // Next Line
+            'H' => "HTS", // Tab Set
+            'M' => "RI", // Reverse Index
+            'N' => "SS2", // Single Shift Select of G2 Character Set: affects next character only
+            'O' => "SS3", // Single Shift Select of G3 Character Set: affects next character only
+            'P' => "DCS", // Device Control String
+            'V' => "SPA", // Start of Guarded Area
+            'W' => "EPA", // End of Guarded Area
+            'X' => "SOS", // Start of String
+            'Z' => "DECID", // Return Terminal ID Obsolete form of CSI c (DA)
+            '[' => "CSI", // Control Sequence Introducer
+            '\\' => "ST", // String Terminator
+            ']' => "OSC", // Operating System Command
+            '^' => "PM", // Privacy Message
+            '_' => "APC", // Application Program Command
+            _ => string.Empty
+        };
     }
 
 
@@ -462,46 +462,46 @@ public static class EscSeqUtils
         }
 
         return (terminator, value) switch
-               {
-                   ('A', _) => ConsoleKey.UpArrow,
-                   ('B', _) => ConsoleKey.DownArrow,
-                   ('C', _) => ConsoleKey.RightArrow,
-                   ('D', _) => ConsoleKey.LeftArrow,
-                   ('E', _) => ConsoleKey.Clear,
-                   ('F', _) => ConsoleKey.End,
-                   ('H', _) => ConsoleKey.Home,
-                   ('P', _) => ConsoleKey.F1,
-                   ('Q', _) => ConsoleKey.F2,
-                   ('R', _) => ConsoleKey.F3,
-                   ('S', _) => ConsoleKey.F4,
-                   ('Z', _) => ConsoleKey.Tab,
-                   ('~', "2") => ConsoleKey.Insert,
-                   ('~', "3") => ConsoleKey.Delete,
-                   ('~', "5") => ConsoleKey.PageUp,
-                   ('~', "6") => ConsoleKey.PageDown,
-                   ('~', "15") => ConsoleKey.F5,
-                   ('~', "17") => ConsoleKey.F6,
-                   ('~', "18") => ConsoleKey.F7,
-                   ('~', "19") => ConsoleKey.F8,
-                   ('~', "20") => ConsoleKey.F9,
-                   ('~', "21") => ConsoleKey.F10,
-                   ('~', "23") => ConsoleKey.F11,
-                   ('~', "24") => ConsoleKey.F12,
-                   // These terminators are used by macOS on a numeric keypad without keys modifiers
-                   ('l', null) => ConsoleKey.Add,
-                   ('m', null) => ConsoleKey.Subtract,
-                   ('p', null) => ConsoleKey.Insert,
-                   ('q', null) => ConsoleKey.End,
-                   ('r', null) => ConsoleKey.DownArrow,
-                   ('s', null) => ConsoleKey.PageDown,
-                   ('t', null) => ConsoleKey.LeftArrow,
-                   ('u', null) => ConsoleKey.Clear,
-                   ('v', null) => ConsoleKey.RightArrow,
-                   ('w', null) => ConsoleKey.Home,
-                   ('x', null) => ConsoleKey.UpArrow,
-                   ('y', null) => ConsoleKey.PageUp,
-                   (_, _) => 0
-               };
+        {
+            ('A', _) => ConsoleKey.UpArrow,
+            ('B', _) => ConsoleKey.DownArrow,
+            ('C', _) => ConsoleKey.RightArrow,
+            ('D', _) => ConsoleKey.LeftArrow,
+            ('E', _) => ConsoleKey.Clear,
+            ('F', _) => ConsoleKey.End,
+            ('H', _) => ConsoleKey.Home,
+            ('P', _) => ConsoleKey.F1,
+            ('Q', _) => ConsoleKey.F2,
+            ('R', _) => ConsoleKey.F3,
+            ('S', _) => ConsoleKey.F4,
+            ('Z', _) => ConsoleKey.Tab,
+            ('~', "2") => ConsoleKey.Insert,
+            ('~', "3") => ConsoleKey.Delete,
+            ('~', "5") => ConsoleKey.PageUp,
+            ('~', "6") => ConsoleKey.PageDown,
+            ('~', "15") => ConsoleKey.F5,
+            ('~', "17") => ConsoleKey.F6,
+            ('~', "18") => ConsoleKey.F7,
+            ('~', "19") => ConsoleKey.F8,
+            ('~', "20") => ConsoleKey.F9,
+            ('~', "21") => ConsoleKey.F10,
+            ('~', "23") => ConsoleKey.F11,
+            ('~', "24") => ConsoleKey.F12,
+            // These terminators are used by macOS on a numeric keypad without keys modifiers
+            ('l', null) => ConsoleKey.Add,
+            ('m', null) => ConsoleKey.Subtract,
+            ('p', null) => ConsoleKey.Insert,
+            ('q', null) => ConsoleKey.End,
+            ('r', null) => ConsoleKey.DownArrow,
+            ('s', null) => ConsoleKey.PageDown,
+            ('t', null) => ConsoleKey.LeftArrow,
+            ('u', null) => ConsoleKey.Clear,
+            ('v', null) => ConsoleKey.RightArrow,
+            ('w', null) => ConsoleKey.Home,
+            ('x', null) => ConsoleKey.UpArrow,
+            ('y', null) => ConsoleKey.PageUp,
+            (_, _) => 0
+        };
     }
 
     /// <summary>
@@ -512,18 +512,18 @@ public static class EscSeqUtils
     public static ConsoleModifiers GetConsoleModifiers (string? value)
     {
         return value switch
-               {
-                   "2" => ConsoleModifiers.Shift,
-                   "3" => ConsoleModifiers.Alt,
-                   "4" => ConsoleModifiers.Shift | ConsoleModifiers.Alt,
-                   "5" => ConsoleModifiers.Control,
-                   "6" => ConsoleModifiers.Shift | ConsoleModifiers.Control,
-                   "7" => ConsoleModifiers.Alt | ConsoleModifiers.Control,
-                   "8" => ConsoleModifiers.Shift | ConsoleModifiers.Alt | ConsoleModifiers.Control,
-                   _ => 0
-               };
+        {
+            "2" => ConsoleModifiers.Shift,
+            "3" => ConsoleModifiers.Alt,
+            "4" => ConsoleModifiers.Shift | ConsoleModifiers.Alt,
+            "5" => ConsoleModifiers.Control,
+            "6" => ConsoleModifiers.Shift | ConsoleModifiers.Control,
+            "7" => ConsoleModifiers.Alt | ConsoleModifiers.Control,
+            "8" => ConsoleModifiers.Shift | ConsoleModifiers.Alt | ConsoleModifiers.Control,
+            _ => 0
+        };
     }
-    #nullable restore
+#nullable restore
 
     /// <summary>
     ///     Gets all the needed information about an escape sequence.
@@ -1675,6 +1675,19 @@ public static class EscSeqUtils
     /// <returns></returns>
     public static string CSI_SetCursorPosition (int row, int col) { return $"{CSI}{row};{col}H"; }
 
+    /// <summary>
+    ///     ESC [ y ; x H - CUP Cursor Position - Cursor moves to x ; y coordinate within the viewport, where x is the column
+    ///     of the y line
+    /// </summary>
+    /// <param name="builder">StringBuilder where to append the cursor position sequence.</param>
+    /// <param name="row">Origin is (1,1).</param>
+    /// <param name="col">Origin is (1,1).</param>
+    public static void CSI_AppendCursorPosition (StringBuilder builder, int row, int col)
+    {
+        // InterpolatedStringHandler is composed in stack, skipping the string allocation.
+        builder.Append ($"{CSI}{row};{col}H");
+    }
+
     //ESC [ <y> ; <x> f - HVP     Horizontal Vertical Position* Cursor moves to<x>; <y> coordinate within the viewport, where <x> is the column of the<y> line
     //ESC [ s - ANSISYSSC       Save Cursor – Ansi.sys emulation	**With no parameters, performs a save cursor operation like DECSC
     //ESC [ u - ANSISYSRC       Restore Cursor – Ansi.sys emulation	**With no parameters, performs a restore cursor operation like DECRC
@@ -1785,11 +1798,29 @@ public static class EscSeqUtils
     /// </summary>
     public static string CSI_SetForegroundColorRGB (int r, int g, int b) { return $"{CSI}38;2;{r};{g};{b}m"; }
 
+    /// <summary>
+    ///     ESC[38;2;{r};{g};{b}m	Append foreground color as RGB to StringBuilder.
+    /// </summary>
+    public static void CSI_AppendForegroundColorRGB (StringBuilder builder, int r, int g, int b)
+    {
+        // InterpolatedStringHandler is composed in stack, skipping the string allocation.
+        builder.Append ($"{CSI}38;2;{r};{g};{b}m");
+    }
+
     /// <summary>
     ///     ESC[48;2;{r};{g};{b}m	Set background color as RGB.
     /// </summary>
     public static string CSI_SetBackgroundColorRGB (int r, int g, int b) { return $"{CSI}48;2;{r};{g};{b}m"; }
 
+    /// <summary>
+    ///     ESC[48;2;{r};{g};{b}m	Append background color as RGB to StringBuilder.
+    /// </summary>
+    public static void CSI_AppendBackgroundColorRGB (StringBuilder builder, int r, int g, int b)
+    {
+        // InterpolatedStringHandler is composed in stack, skipping the string allocation.
+        builder.Append ($"{CSI}48;2;{r};{g};{b}m");
+    }
+
     #endregion
 
     #region Requests
diff --git a/Terminal.Gui/ConsoleDrivers/WindowsDriver/WindowsConsole.cs b/Terminal.Gui/ConsoleDrivers/WindowsDriver/WindowsConsole.cs
index 826679051..4e93018cf 100644
--- a/Terminal.Gui/ConsoleDrivers/WindowsDriver/WindowsConsole.cs
+++ b/Terminal.Gui/ConsoleDrivers/WindowsDriver/WindowsConsole.cs
@@ -176,7 +176,7 @@ internal class WindowsConsole
             _stringBuilder.Clear ();
 
             _stringBuilder.Append (EscSeqUtils.CSI_SaveCursorPosition);
-            _stringBuilder.Append (EscSeqUtils.CSI_SetCursorPosition (0, 0));
+            EscSeqUtils.CSI_AppendCursorPosition (_stringBuilder, 0, 0);
 
             Attribute? prev = null;
 
@@ -187,8 +187,8 @@ internal class WindowsConsole
                 if (attr != prev)
                 {
                     prev = attr;
-                    _stringBuilder.Append (EscSeqUtils.CSI_SetForegroundColorRGB (attr.Foreground.R, attr.Foreground.G, attr.Foreground.B));
-                    _stringBuilder.Append (EscSeqUtils.CSI_SetBackgroundColorRGB (attr.Background.R, attr.Background.G, attr.Background.B));
+                    EscSeqUtils.CSI_AppendForegroundColorRGB (_stringBuilder, attr.Foreground.R, attr.Foreground.G, attr.Foreground.B);
+                    EscSeqUtils.CSI_AppendBackgroundColorRGB (_stringBuilder, attr.Background.R, attr.Background.G, attr.Background.B);
                 }
 
                 if (info.Char != '\x1b')
@@ -710,14 +710,14 @@ internal class WindowsConsole
         public readonly override string ToString ()
         {
             return (EventType switch
-                    {
-                        EventType.Focus => FocusEvent.ToString (),
-                        EventType.Key => KeyEvent.ToString (),
-                        EventType.Menu => MenuEvent.ToString (),
-                        EventType.Mouse => MouseEvent.ToString (),
-                        EventType.WindowBufferSize => WindowBufferSizeEvent.ToString (),
-                        _ => "Unknown event type: " + EventType
-                    })!;
+            {
+                EventType.Focus => FocusEvent.ToString (),
+                EventType.Key => KeyEvent.ToString (),
+                EventType.Menu => MenuEvent.ToString (),
+                EventType.Mouse => MouseEvent.ToString (),
+                EventType.WindowBufferSize => WindowBufferSizeEvent.ToString (),
+                _ => "Unknown event type: " + EventType
+            })!;
         }
     }
 
diff --git a/Terminal.Gui/ConsoleDrivers/WindowsDriver/WindowsDriver.cs b/Terminal.Gui/ConsoleDrivers/WindowsDriver/WindowsDriver.cs
index 26ca3023b..1f74c0321 100644
--- a/Terminal.Gui/ConsoleDrivers/WindowsDriver/WindowsDriver.cs
+++ b/Terminal.Gui/ConsoleDrivers/WindowsDriver/WindowsDriver.cs
@@ -252,7 +252,7 @@ internal class WindowsDriver : ConsoleDriver
         else
         {
             var sb = new StringBuilder ();
-            sb.Append (EscSeqUtils.CSI_SetCursorPosition (position.Y + 1, position.X + 1));
+            EscSeqUtils.CSI_AppendCursorPosition (sb, position.Y + 1, position.X + 1);
             WinConsole?.WriteANSI (sb.ToString ());
         }