first draft

Author: mongoKart

source/whats-new.txt

@@ -49,6 +49,7 @@ The 3.0 driver release includes the following new features:
   `mongocsharpdriver <https://www.nuget.org/packages/mongocsharpdriver/#readme-body-tab>`__ NuGet package,
   which implements the v1.x driver API in driver versions 2.x. This package will no
   longer receive updates.
+
 - Adds the ``MongoClientSettings.TranslationOptions`` connection option, which specifies
   options for translating LINQ queries to the Query API. See :ref:`csharp-connection-options`
   for more information.
@@ -57,7 +58,14 @@ The 3.0 driver release includes the following new features:
   This type is available in .NET 5 and later.
   To learn more about the ``Half`` type, see the
   `Half Struct <https://learn.microsoft.com/en-us/dotnet/api/system.half?view=net-8.0>`__
-  API reference page on MSDN. 
+  API reference page on MSDN.
+
+- The ``IMongoClient`` interface inherits the ``IDisposable`` interface. As a result, the
+  ``MongoClient`` class and other classes that implement the ``IMongoClient`` interface
+  contain a ``Dispose()`` method. To learn more about this interface and use of the
+  ``Dispose()`` method, see
+  `Dispose Pattern <https://learn.microsoft.com/en-us/dotnet/standard/design-guidelines/dispose-pattern>`__
+  on MSDN.
 
 .. _csharp-version-2.28: