chore: Prep for release 2.1.0

CHANGELOG.rst

@@ -2,6 +2,22 @@
 Changelog
 *********
 
+2.1.0 -- 2021-07-15
+===================
+
+Deprecation Announcement
+------------------------
+The AWS DynamoDB Encryption Client for Python is discontinuing support for Python 2.
+Future major versions of this library will drop support for Python 2 and begin to
+adopt changes that are known to break Python 2.
+
+Support for Python 3.4 will be removed at the same time. Moving forward, we will
+support Python 3.5+.
+
+Security updates will still be available for the DynamoDB Encryption Client 2.x
+line for the next 12 months, in accordance with our `Support Policy <https://github.com/aws/aws-dynamodb-encryption-python/blob/master/SUPPORT_POLICY.rst>`__.
+
+
 2.0.0 -- 2021-02-04
 ===================
 

README.rst

@@ -49,6 +49,12 @@ Required Prerequisites
 
 * Python 2.7 or 3.4+
 
+  **NOTE: 2.x is the last major version of this library that will
+  support Python 2. Future major versions will begin to adopt changes
+  known to break Python 2. Python 3.4 support will also be removed
+  in future major versions; Python 3.5+ will be required.**
+
+
 Installation
 ============
 

SUPPORT_POLICY.rst

@@ -27,7 +27,11 @@ This table describes the current support status of each major version of the AWS
       - 2022-07-08
     * - 2.x
       - Generally Available
+      - Maintenance
+      - 2021-07-13
+    * - 3.x
       -
-      -
+      - Generally Available
+      - 2021-07-13
 
 .. _AWS SDKs and Tools Maintenance Policy: https://docs.aws.amazon.com/sdkref/latest/guide/maint-policy.html#version-life-cycle

src/dynamodb_encryption_sdk/identifiers.py

@@ -14,7 +14,7 @@
 from enum import Enum
 
 __all__ = ("LOGGER_NAME", "CryptoAction", "EncryptionKeyType", "KeyEncodingType")
-__version__ = "2.0.0"
+__version__ = "2.1.0"
 
 LOGGER_NAME = "dynamodb_encryption_sdk"
 USER_AGENT_SUFFIX = "DynamodbEncryptionSdkPython/{}".format(__version__)