DOCSP-37127: serverMonitoringMode option (#535)

* DOCSP-37127: serverMonitoringMode option

* what's new

* data type

* wording

Author: norareidy

source/fundamentals/connection/connection-options.txt

@@ -260,6 +260,15 @@ parameters of the connection URI to specify the behavior of the client.
 
        | **Default**: ``true``
 
+   * - **serverMonitoringMode**
+     - string
+     - Specifies which server monitoring protocol the driver uses. When set to
+       ``auto``, the monitoring mode is determined by the environment in which
+       the driver is running. The driver uses ``poll`` mode in function-as-a-service
+       (FaaS) environments and ``stream`` mode in other environments.
+
+       | **Default**: ``auto``
+
    * - **uuidRepresentation**
      - string
      - Specifies the UUID representation to use for read and write

source/whats-new.txt

@@ -65,6 +65,16 @@ Behavioral Changes in 5.1
   the same ``mongos`` server for operation retry attempts if other ``mongos`` servers are
   available.  
 
+.. _java-new-features-5.1:
+
+New Features in 5.1
+~~~~~~~~~~~~~~~~~~~
+
+The 5.1 driver release includes the following new features:
+
+- Introduces the ``serverMonitoringMode`` connection URI option. For more information about
+  this option, see the :ref:`connection-options` guide.
+
 .. _version-5.0:
 
 What's New in 5.0