diff --git a/Terminal.Gui/Configuration/ConfigProperty.cs b/Terminal.Gui/Configuration/ConfigProperty.cs
index 2418268cfc..0c4a41682a 100644
--- a/Terminal.Gui/Configuration/ConfigProperty.cs
+++ b/Terminal.Gui/Configuration/ConfigProperty.cs
@@ -41,7 +41,7 @@ public bool Apply ()
             {
                 if (PropertyInfo?.GetValue (null) is { })
                 {
-                    PropertyInfo?.SetValue (null, DeepMemberwiseCopy (PropertyValue, PropertyInfo?.GetValue (null)));
+                    PropertyInfo?.SetValue (null, DeepMemberWiseCopy (PropertyValue, PropertyInfo?.GetValue (null)));
                 }
             }
             catch (TargetInvocationException tie)
@@ -82,9 +82,9 @@ public bool Apply ()
     /// <returns></returns>
     public static string GetJsonPropertyName (PropertyInfo pi)
     {
-        var jpna = pi.GetCustomAttribute (typeof (JsonPropertyNameAttribute)) as JsonPropertyNameAttribute;
+        var attr = pi.GetCustomAttribute (typeof (JsonPropertyNameAttribute)) as JsonPropertyNameAttribute;
 
-        return jpna?.Name ?? pi.Name;
+        return attr?.Name ?? pi.Name;
     }
 
     /// <summary>
@@ -118,7 +118,7 @@ public static string GetJsonPropertyName (PropertyInfo pi)
 
         if (PropertyValue is { })
         {
-            PropertyValue = DeepMemberwiseCopy (source, PropertyValue);
+            PropertyValue = DeepMemberWiseCopy (source, PropertyValue);
         }
         else
         {
diff --git a/Terminal.Gui/Configuration/ConfigurationManager.cs b/Terminal.Gui/Configuration/ConfigurationManager.cs
index 1731c9556c..f72cdd775a 100644
--- a/Terminal.Gui/Configuration/ConfigurationManager.cs
+++ b/Terminal.Gui/Configuration/ConfigurationManager.cs
@@ -2,6 +2,7 @@
 global using CM = Terminal.Gui.ConfigurationManager;
 using System.Collections;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using System.Reflection;
 using System.Text.Encodings.Web;
 using System.Text.Json;
@@ -33,19 +34,19 @@ namespace Terminal.Gui;
 ///     Settings are applied using the following precedence (higher precedence settings overwrite lower precedence
 ///     settings):
 ///     <para>
-///         1. Application configuration found in the users's home directory (<c>~/.tui/appname.config.json</c>) --
+///         1. Application configuration found in the users' home directory (<c>~/.tui/appname.config.json</c>) --
 ///         Highest precedence
 ///     </para>
 ///     <para>
 ///         2. Application configuration found in the directory the app was launched from (
 ///         <c>./.tui/appname.config.json</c>).
 ///     </para>
-///     <para>3. Application configuration found in the applications's resources (<c>Resources/config.json</c>).</para>
+///     <para>3. Application configuration found in the applications' resources (<c>Resources/config.json</c>).</para>
 ///     <para>4. Global configuration found in the user's home directory (<c>~/.tui/config.json</c>).</para>
 ///     <para>5. Global configuration found in the directory the app was launched from (<c>./.tui/config.json</c>).</para>
 ///     <para>
 ///         6. Global configuration in <c>Terminal.Gui.dll</c>'s resources (<c>Terminal.Gui.Resources.config.json</c>) --
-///         Lowest Precidence.
+///         Lowest Precedence.
 ///     </para>
 /// </summary>
 public static class ConfigurationManager
@@ -82,10 +83,10 @@ public enum ConfigLocations
     ///     <see cref="ConfigurationManager"/> to get and set the property's value.
     /// </summary>
     /// <remarks>Is <see langword="null"/> until <see cref="Initialize"/> is called.</remarks>
-    [System.Diagnostics.CodeAnalysis.SuppressMessage ("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
+    [SuppressMessage ("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
     internal static Dictionary<string, ConfigProperty>? _allConfigProperties;
 
-    [System.Diagnostics.CodeAnalysis.SuppressMessage ("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
+    [SuppressMessage ("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
     internal static readonly JsonSerializerOptions _serializerOptions = new ()
     {
         ReadCommentHandling = JsonCommentHandling.Skip,
@@ -106,10 +107,10 @@ public enum ConfigLocations
         Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
     };
 
-    [System.Diagnostics.CodeAnalysis.SuppressMessage ("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
+    [SuppressMessage ("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
     internal static StringBuilder _jsonErrors = new ();
 
-    [System.Diagnostics.CodeAnalysis.SuppressMessage ("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
+    [SuppressMessage ("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
     private static readonly string _configFilename = "config.json";
 
     /// <summary>The backing property for <see cref="Settings"/>.</summary>
@@ -284,7 +285,7 @@ public static void Load (bool reset = false)
     public static void OnApplied ()
     {
         Debug.WriteLine ("ConfigurationManager.OnApplied()");
-        Applied?.Invoke (null, new ConfigurationManagerEventArgs ());
+        Applied?.Invoke (null, new ());
 
         // TODO: Refactor ConfigurationManager to not use an event handler for this.
         // Instead, have it call a method on any class appropriately attributed
@@ -298,7 +299,7 @@ public static void OnApplied ()
     public static void OnUpdated ()
     {
         Debug.WriteLine (@"ConfigurationManager.OnApplied()");
-        Updated?.Invoke (null, new ConfigurationManagerEventArgs ());
+        Updated?.Invoke (null, new ());
     }
 
     /// <summary>Prints any Json deserialization errors that occurred during deserialization to the console.</summary>
@@ -330,9 +331,9 @@ public static void Reset ()
 
         ClearJsonErrors ();
 
-        Settings = new SettingsScope ();
+        Settings = new ();
         ThemeManager.Reset ();
-        AppSettings = new AppScope ();
+        AppSettings = new ();
 
         // To enable some unit tests, we only load from resources if the flag is set
         if (Locations.HasFlag (ConfigLocations.DefaultOnly))
@@ -359,18 +360,15 @@ internal static void AddJsonError (string error)
 
     /// <summary>
     ///     System.Text.Json does not support copying a deserialized object to an existing instance. To work around this,
-    ///     we implement a 'deep, memberwise copy' method.
+    ///     we implement a 'deep, member-wise copy' method.
     /// </summary>
     /// <remarks>TOOD: When System.Text.Json implements `PopulateObject` revisit https://github.com/dotnet/corefx/issues/37627</remarks>
     /// <param name="source"></param>
     /// <param name="destination"></param>
     /// <returns><paramref name="destination"/> updated from <paramref name="source"/></returns>
-    internal static object? DeepMemberwiseCopy (object? source, object? destination)
+    internal static object? DeepMemberWiseCopy (object? source, object? destination)
     {
-        if (destination is null)
-        {
-            throw new ArgumentNullException (nameof (destination));
-        }
+        ArgumentNullException.ThrowIfNull (destination);
 
         if (source is null)
         {
@@ -410,7 +408,7 @@ internal static void AddJsonError (string error)
                 if (((IDictionary)destination).Contains (srcKey))
                 {
                     ((IDictionary)destination) [srcKey] =
-                        DeepMemberwiseCopy (((IDictionary)source) [srcKey], ((IDictionary)destination) [srcKey]);
+                        DeepMemberWiseCopy (((IDictionary)source) [srcKey], ((IDictionary)destination) [srcKey]);
                 }
                 else
                 {
@@ -442,7 +440,7 @@ where destProp.CanWrite
                     if (destVal is { })
                     {
                         // Recurse
-                        destProp.SetValue (destination, DeepMemberwiseCopy (sourceVal, destVal));
+                        destProp.SetValue (destination, DeepMemberWiseCopy (sourceVal, destVal));
                     }
                     else
                     {
@@ -482,7 +480,7 @@ internal static void GetHardCodedDefaults ()
             throw new InvalidOperationException ("Initialize must be called first.");
         }
 
-        Settings = new SettingsScope ();
+        Settings = new ();
         ThemeManager.GetHardCodedDefaults ();
         AppSettings?.RetrieveValues ();
 
@@ -498,7 +496,7 @@ internal static void GetHardCodedDefaults ()
     /// </summary>
     internal static void Initialize ()
     {
-        _allConfigProperties = new Dictionary<string, ConfigProperty> ();
+        _allConfigProperties = new ();
         _settings = null;
 
         Dictionary<string, Type> classesWithConfigProps = new (StringComparer.InvariantCultureIgnoreCase);
@@ -553,18 +551,18 @@ from p in enumerable
                                                scp.OmitClassName
                                                    ? ConfigProperty.GetJsonPropertyName (p)
                                                    : $"{p.DeclaringType?.Name}.{p.Name}",
-                                               new ConfigProperty { PropertyInfo = p, PropertyValue = null }
+                                               new() { PropertyInfo = p, PropertyValue = null }
                                               );
                 }
                 else
                 {
-                    throw new Exception (
-                                         $"Property {
-                                             p.Name
-                                         } in class {
-                                             p.DeclaringType?.Name
-                                         } is not static. All SerializableConfigurationProperty properties must be static."
-                                        );
+                    throw new (
+                               $"Property {
+                                   p.Name
+                               } in class {
+                                   p.DeclaringType?.Name
+                               } is not static. All SerializableConfigurationProperty properties must be static."
+                              );
                 }
             }
         }
@@ -580,7 +578,7 @@ from p in enumerable
 
         //_allConfigProperties.ToList ().ForEach (x => Debug.WriteLine ($"  Property: {x.Key}"));
 
-        AppSettings = new AppScope ();
+        AppSettings = new ();
     }
 
     /// <summary>Creates a JSON document with the configuration specified.</summary>
diff --git a/UnitTests/Configuration/ConfigurationMangerTests.cs b/UnitTests/Configuration/ConfigurationMangerTests.cs
index d2c96b341d..6d32738470 100644
--- a/UnitTests/Configuration/ConfigurationMangerTests.cs
+++ b/UnitTests/Configuration/ConfigurationMangerTests.cs
@@ -1,6 +1,7 @@
 using System.Reflection;
 using System.Text.Json;
 using static Terminal.Gui.ConfigurationManager;
+#pragma warning disable IDE1006
 
 namespace Terminal.Gui.ConfigurationTests;
 
@@ -45,65 +46,65 @@ void ConfigurationManager_Applied (object sender, ConfigurationManagerEventArgs
     }
 
     [Fact]
-    public void DeepMemberwiseCopyTest ()
+    public void DeepMemberWiseCopyTest ()
     {
         // Value types
         var stringDest = "Destination";
         var stringSrc = "Source";
-        object stringCopy = DeepMemberwiseCopy (stringSrc, stringDest);
+        object stringCopy = DeepMemberWiseCopy (stringSrc, stringDest);
         Assert.Equal (stringSrc, stringCopy);
 
         stringDest = "Destination";
         stringSrc = "Destination";
-        stringCopy = DeepMemberwiseCopy (stringSrc, stringDest);
+        stringCopy = DeepMemberWiseCopy (stringSrc, stringDest);
         Assert.Equal (stringSrc, stringCopy);
 
         stringDest = "Destination";
         stringSrc = null;
-        stringCopy = DeepMemberwiseCopy (stringSrc, stringDest);
+        stringCopy = DeepMemberWiseCopy (stringSrc, stringDest);
         Assert.Equal (stringSrc, stringCopy);
 
         stringDest = "Destination";
         stringSrc = string.Empty;
-        stringCopy = DeepMemberwiseCopy (stringSrc, stringDest);
+        stringCopy = DeepMemberWiseCopy (stringSrc, stringDest);
         Assert.Equal (stringSrc, stringCopy);
 
         var boolDest = true;
         var boolSrc = false;
-        object boolCopy = DeepMemberwiseCopy (boolSrc, boolDest);
+        object boolCopy = DeepMemberWiseCopy (boolSrc, boolDest);
         Assert.Equal (boolSrc, boolCopy);
 
         boolDest = false;
         boolSrc = true;
-        boolCopy = DeepMemberwiseCopy (boolSrc, boolDest);
+        boolCopy = DeepMemberWiseCopy (boolSrc, boolDest);
         Assert.Equal (boolSrc, boolCopy);
 
         boolDest = true;
         boolSrc = true;
-        boolCopy = DeepMemberwiseCopy (boolSrc, boolDest);
+        boolCopy = DeepMemberWiseCopy (boolSrc, boolDest);
         Assert.Equal (boolSrc, boolCopy);
 
         boolDest = false;
         boolSrc = false;
-        boolCopy = DeepMemberwiseCopy (boolSrc, boolDest);
+        boolCopy = DeepMemberWiseCopy (boolSrc, boolDest);
         Assert.Equal (boolSrc, boolCopy);
 
         // Structs
         var attrDest = new Attribute (Color.Black);
         var attrSrc = new Attribute (Color.White);
-        object attrCopy = DeepMemberwiseCopy (attrSrc, attrDest);
+        object attrCopy = DeepMemberWiseCopy (attrSrc, attrDest);
         Assert.Equal (attrSrc, attrCopy);
 
         // Classes
         var colorschemeDest = new ColorScheme { Disabled = new Attribute (Color.Black) };
         var colorschemeSrc = new ColorScheme { Disabled = new Attribute (Color.White) };
-        object colorschemeCopy = DeepMemberwiseCopy (colorschemeSrc, colorschemeDest);
+        object colorschemeCopy = DeepMemberWiseCopy (colorschemeSrc, colorschemeDest);
         Assert.Equal (colorschemeSrc, colorschemeCopy);
 
         // Dictionaries
         Dictionary<string, Attribute> dictDest = new () { { "Disabled", new Attribute (Color.Black) } };
         Dictionary<string, Attribute> dictSrc = new () { { "Disabled", new Attribute (Color.White) } };
-        Dictionary<string, Attribute> dictCopy = (Dictionary<string, Attribute>)DeepMemberwiseCopy (dictSrc, dictDest);
+        Dictionary<string, Attribute> dictCopy = (Dictionary<string, Attribute>)DeepMemberWiseCopy (dictSrc, dictDest);
         Assert.Equal (dictSrc, dictCopy);
 
         dictDest = new Dictionary<string, Attribute> { { "Disabled", new Attribute (Color.Black) } };
@@ -112,7 +113,7 @@ public void DeepMemberwiseCopyTest ()
         {
             { "Disabled", new Attribute (Color.White) }, { "Normal", new Attribute (Color.Blue) }
         };
-        dictCopy = (Dictionary<string, Attribute>)DeepMemberwiseCopy (dictSrc, dictDest);
+        dictCopy = (Dictionary<string, Attribute>)DeepMemberWiseCopy (dictSrc, dictDest);
         Assert.Equal (dictSrc, dictCopy);
 
         // src adds an item
@@ -122,7 +123,7 @@ public void DeepMemberwiseCopyTest ()
         {
             { "Disabled", new Attribute (Color.White) }, { "Normal", new Attribute (Color.Blue) }
         };
-        dictCopy = (Dictionary<string, Attribute>)DeepMemberwiseCopy (dictSrc, dictDest);
+        dictCopy = (Dictionary<string, Attribute>)DeepMemberWiseCopy (dictSrc, dictDest);
         Assert.Equal (2, dictCopy.Count);
         Assert.Equal (dictSrc ["Disabled"], dictCopy ["Disabled"]);
         Assert.Equal (dictSrc ["Normal"], dictCopy ["Normal"]);
@@ -133,7 +134,7 @@ public void DeepMemberwiseCopyTest ()
             { "Disabled", new Attribute (Color.Black) }, { "Normal", new Attribute (Color.White) }
         };
         dictSrc = new Dictionary<string, Attribute> { { "Disabled", new Attribute (Color.White) } };
-        dictCopy = (Dictionary<string, Attribute>)DeepMemberwiseCopy (dictSrc, dictDest);
+        dictCopy = (Dictionary<string, Attribute>)DeepMemberWiseCopy (dictSrc, dictDest);
         Assert.Equal (2, dictCopy.Count);
         Assert.Equal (dictSrc ["Disabled"], dictCopy ["Disabled"]);
         Assert.Equal (dictDest ["Normal"], dictCopy ["Normal"]);
@@ -379,7 +380,7 @@ public void TestConfigProperties ()
 
         Assert.NotEmpty (Settings);
 
-        // test that all ConfigProperites have our attribute
+        // test that all ConfigProperties have our attribute
         Assert.All (
                     Settings,
                     item => Assert.NotEmpty (
@@ -411,7 +412,7 @@ public void TestConfigProperties ()
     [Fact]
     public void TestConfigPropertyOmitClassName ()
     {
-        // Color.ColorShemes is serialzied as "ColorSchemes", not "Colors.ColorSchemes"
+        // Color.ColorSchemes is serialized as "ColorSchemes", not "Colors.ColorSchemes"
         PropertyInfo pi = typeof (Colors).GetProperty ("ColorSchemes");
         var scp = (SerializableConfigurationProperty)pi.GetCustomAttribute (typeof (SerializableConfigurationProperty));
         Assert.True (scp.Scope == typeof (ThemeScope));
@@ -624,7 +625,7 @@ public void TestConfigurationManagerInvalidJsonThrows ()
         jsonException = Assert.Throws<JsonException> (() => Settings.Update (json, "test"));
         Assert.Equal ("Both Foreground and Background colors must be provided.", jsonException.Message);
 
-        // Unknown proeprty
+        // Unknown property
         json = @"
 			{
 				""Unknown"" : ""Not known""