DOCSP-23150 4.7 Release Notes (#332)

Co-authored-by: kyuan-mongodb <[email protected]>

Author: biniona-mongodb

source/whats-new.txt

@@ -12,6 +12,7 @@ What's New
 
 Learn what's new in:
 
+* :ref:`Version 4.7 <version-4.7>`
 * :ref:`Version 4.6 <version-4.6>`
 * :ref:`Version 4.5 <version-4.5>`
 * :ref:`Version 4.4 <version-4.4>`
@@ -22,6 +23,25 @@ Learn what's new in:
 * :ref:`Version 3.7 <version-3.7>`
 * :ref:`Version 3.6 <version-3.6>`
 
+.. _version-4.7:
+
+What's New in 4.7
+-----------------
+
+New features of the 4.7 {+driver-short+} release include:
+
+- The ``MongoClient.connect()`` method is now optional when connecting to your MongoDB instance
+- Ability to  compress messages with the ``Zstandard`` :ref:`compression algorithm <node-network-compression>`
+- Added support for the ``maxConnecting`` connection option
+- Ability for change stream documents to show your documents before and after an update
+- Added support for new change stream fields related to Cluster to Cluster Replication
+- The ``estimatedDocumentCount()`` method now uses the ``$count`` database command
+- Improved connecting to MongoDB in the AWS Lambda Init phase
+
+.. important:: Deprecation Notice
+
+    The ``ResumeOptions`` interface is deprecated. Use the
+    ``ChangeStreamCursorOptions`` interface instead.
 
 .. _version-4.6: