release notes

Author: mayaraman19

source/release-notes.txt

@@ -14,11 +14,12 @@ release notes.
 Current Stable Release
 ~~~~~~~~~~~~~~~~~~~~~~
 
-- :ref:`c2c-release-notes-1.11`
+- :ref:`c2c-release-notes-1.12`
 
 Previous Releases
 ~~~~~~~~~~~~~~~~~
 
+- :ref:`c2c-release-notes-1.11`
 - :ref:`c2c-release-notes-1.10`
 - :ref:`c2c-release-notes-1.9`
 - :ref:`c2c-release-notes-1.8`
@@ -37,6 +38,7 @@ Previous Releases
 .. toctree::
    :titlesonly: 
 
+   1.12 </release-notes/1.12>
    1.11 </release-notes/1.11>
    1.10 </release-notes/1.10>
    1.9 </release-notes/1.9>

source/release-notes/1.12.txt

@@ -0,0 +1,38 @@
+.. _c2c-release-notes-1.12:
+
+================================
+Release Notes for mongosync 1.12
+================================
+
+.. default-domain:: mongodb
+
+.. contents:: On this page
+   :local:
+   :backlinks: none
+   :depth: 2
+   :class: singlecol
+
+This page describes changes and new features introduced in  
+{+c2c-full-product-name+} 1.12.
+
+.. _1.12.0-c2c-release-notes:
+
+1.12.0 Release
+--------------
+
+``enableUserWriteBlocking`` parameters
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The ``enableUserWriteBlocking`` parameter in the 
+:ref:`/start <c2c-api-start>` API now accepts the following string options:
+
+- ``"sourceAndDestination"`` for dual write-blocking
+- ``"none"`` for no write-blocking
+
+See :ref:`c2c-api-start-params`. 
+
+Live Upgrades
+~~~~~~~~~~~~~
+
+:ref:`Live upgrades <c2c-versioning-live-upgrade>` 
+to version 1.12 are not supported.