diff --git a/doc/changelog.rst b/doc/changelog.rst
index e34f826be8..8d904466c1 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -1,30 +1,93 @@
 Changelog
 =========
 
-Changes in Version 3.12.0
--------------------------
+Changes in Version 3.12.0b0
+---------------------------
 
-.. warning:: Support for Python 2.7, 3.4 and 3.5 is deprecated. Those Python
-    versions will not be supported by PyMongo 4.
+.. warning:: PyMongo 3.12.0 deprecates support for Python 2.7, 3.4 and 3.5.
+   These Python versions will not be supported by PyMongo 4.
 
 - PyMongoCrypt 1.1.0 or later is now required for client side field level
   encryption support.
-- Added :attr:`pymongo.mongo_client.MongoClient.topology_description`.
-
 
 Notable improvements
 ....................
 
 - Support for MongoDB Versioned API, see :class:`~pymongo.server_api.ServerApi`.
+- Added :attr:`pymongo.mongo_client.MongoClient.topology_description`.
+- Added hash support to :class:`~pymongo.mongo_client.MongoClient`,
+  :class:`~pymongo.database.Database` and
+  :class:`~pymongo.collection.Collection` (`PYTHON-2466`_).
+- Improved the error message returned by
+  :meth:`~pymongo.collection.Collection.insert_many` when supplied with an
+  argument of incorrect type (`PYTHON-1690`_).
+
+Bug fixes
+.........
+
+- Fixed a bug that could cause the driver to deadlock during automatic
+  client side field level encryption (`PYTHON-2472`_).
+
+Deprecations
+............
+
+- Deprecated support for Python 2.7, 3.4 and 3.5.
+
+.. _PYTHON-2466: https://jira.mongodb.org/browse/PYTHON-2466
+.. _PYTHON-1690: https://jira.mongodb.org/browse/PYTHON-1690
+.. _PYTHON-2472: https://jira.mongodb.org/browse/PYTHON-2472
 
 Issues Resolved
 ...............
 
-See the `PyMongo 3.12 release notes in JIRA`_ for the list of resolved issues
+See the `PyMongo 3.12.0 release notes in JIRA`_ for the list of resolved issues
 in this release.
 
-.. _PyMongo 3.12 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=29594
+.. _PyMongo 3.12.0 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=29594
+
+
+Changes in Version 3.11.3
+-------------------------
+
+Issues Resolved
+...............
 
+Version 3.11.3 fixes a bug that prevented PyMongo from retrying writes after
+a ``writeConcernError`` on MongoDB 4.4+ (`PYTHON-2452`_)
+
+See the `PyMongo 3.11.3 release notes in JIRA`_ for the list of resolved issues
+in this release.
+
+.. _PYTHON-2452: https://jira.mongodb.org/browse/PYTHON-2452
+.. _PyMongo 3.11.3 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=30355
+
+Changes in Version 3.11.2
+-------------------------
+
+Issues Resolved
+...............
+
+Version 3.11.2 includes a number of bugfixes. Highlights include:
+
+- Fixed a memory leak caused by failing SDAM monitor checks on Python 3 (`PYTHON-2433`_).
+- Fixed a regression that changed the string representation of
+  :exc:`~pymongo.errors.BulkWriteError` (`PYTHON-2438`_).
+- Fixed a bug that made it impossible to use
+  :meth:`bson.codec_options.CodecOptions.with_options` and
+  :meth:`~bson.json_util.JSONOptions.with_options` on some early versions of
+  Python 3.4 and Python 3.5 due to a bug in the standard library implementation
+  of :meth:`collections.namedtuple._asdict` (`PYTHON-2440`_).
+- Fixed a bug that resulted in a :exc:`TypeError` exception when a PyOpenSSL
+  socket was configured with a timeout of ``None`` (`PYTHON-2443`_).
+
+See the `PyMongo 3.11.2 release notes in JIRA`_ for the list of resolved issues
+in this release.
+
+.. _PYTHON-2433: https://jira.mongodb.org/browse/PYTHON-2433
+.. _PYTHON-2438: https://jira.mongodb.org/browse/PYTHON-2438
+.. _PYTHON-2440: https://jira.mongodb.org/browse/PYTHON-2440
+.. _PYTHON-2443: https://jira.mongodb.org/browse/PYTHON-2443
+.. _PyMongo 3.11.2 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=30315
 
 Changes in Version 3.11.1
 -------------------------
@@ -60,6 +123,7 @@ in this release.
 
 .. _PyMongo 3.11.1 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=29997
 
+
 Changes in Version 3.11.0
 -------------------------
 
diff --git a/doc/installation.rst b/doc/installation.rst
index 974eb4afef..096c9b5bf8 100644
--- a/doc/installation.rst
+++ b/doc/installation.rst
@@ -278,4 +278,4 @@ but can be found on the
 `GitHub tags page <https://github.com/mongodb/mongo-python-driver/tags>`_.
 They can be installed by passing the full URL for the tag to pip::
 
-  $ python -m pip install https://github.com/mongodb/mongo-python-driver/archive/3.11.0rc0.tar.gz
+  $ python -m pip install https://github.com/mongodb/mongo-python-driver/archive/3.12.0b0.tar.gz
diff --git a/pymongo/__init__.py b/pymongo/__init__.py
index 71e5da6947..e1fe385662 100644
--- a/pymongo/__init__.py
+++ b/pymongo/__init__.py
@@ -74,7 +74,7 @@
 ALL = 2
 """Profile all operations."""
 
-version_tuple = (3, 12, 0, 'dev0')
+version_tuple = (3, 12, 0, 'b0')
 
 def get_version_string():
     if isinstance(version_tuple[-1], str):
diff --git a/setup.py b/setup.py
index 24eb3a139b..3006e520f2 100755
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@
     except ImportError:
         _HAVE_SPHINX = False
 
-version = "3.12.0.dev0"
+version = "3.12.0b0"
 
 f = open("README.rst")
 try: