DOCSP-44667: bson vector subtype (#607)

* DOCSP-44667: bson vector subtype

* todo

Author: rustagir

source/whats-new.txt

@@ -35,10 +35,17 @@ Learn what's new in:
 What's New in 5.3
 -----------------
 
-The 5.3 {+driver-short+} release introduces the following improvements, features,
-and fixes:
+The 5.3 driver release includes the following changes, fixes,
+and features:
+
+.. sharedinclude:: dbx/jvm/v5.3-wn-items.rst
+
+   .. replacement:: vector-type-example-link
+
+      To learn about how to use this type when using the Atlas
+      Vector Search feature, see the TODO add link :ref:`` guide.
 
-- Client bulk write API that allows you to perform write operations on multiple
+- Adds a client bulk write API that allows you to perform write operations on multiple
   databases and collections at once. To learn more about this feature, see the
   :ref:`java-sync-client-bulk-write` section of the Bulk Operations guide.