DOCSP-41360: v5.1.2 patch release

source/whats-new.txt

@@ -19,7 +19,8 @@ What's New
 
 Learn what's new in:
 
-* :ref:`Version 5.2 <version-5.2>`
+* :ref:`Version 5.2 <java-version-5.2>`
+* :ref:`Version 5.1.2 <java-version-5.1.2>`
 * :ref:`Version 5.1.1 <java-version-5.1.1>`
 * :ref:`Version 5.1 <version-5.1>`
 * :ref:`Version 5.0 <version-5.0>`
@@ -38,7 +39,7 @@ Learn what's new in:
 * :ref:`Version 4.1 <version-4.1>`
 * :ref:`Version 4.0 <version-4.0>`
 
-.. _version-5.2:
+.. _java-version-5.2:
 
 What's New in 5.2
 -----------------
@@ -56,13 +57,33 @@ New features of the 5.2 driver release include:
 
      // Connection URI without delimiting forward-slash
      String uri = "mongodb://example.com?w=majority";
-
+
+.. _java-version-5.1.2:
+
+What's New in 5.1.2
+-------------------
+
+The 5.1.2 driver patch release includes the following changes:
+
+- Fixes an issue that prevents the driver from encoding and
+  decoding concrete classes that extend generic base classes, in cases that you
+  specify the base class as the generic type of the ``MongoCollection`` instance.
+
+- Fixes an issue related to how domain names are validated when you use proxy
+  functionality, allowing you to use domain names with more than
+  six characters in the top-level domain.
+
+- You can validate signatures of the driver artifacts published on
+  GitHub.
+
+.. TODO DOCSP-39555 To learn how to validate these signatures, see the :ref:`` guide.
+
 .. _java-version-5.1.1:
 
 What's New in 5.1.1
 -------------------
 
-The 5.1.1 driver patch includes the following changes:
+The 5.1.1 driver patch release includes the following changes:
 
 - When using the ``MONGODB-OIDC`` authentication mechanism, you must not
   include comma characters in the ``authMechanismProperties`` connection