Update Changelog with recent improvements and fixes

Added new improvements and bug fixes to the changelog.

Author: saimonation

docs/source/UserGuides/Miscellaneous/Changelog.rst

@@ -1,6 +1,15 @@
 Changelog
 =========
 
+Improvements
+^^^^^^^^^^^^
+* Added support for CTERA Portal main database backups to S3
+* Added support for creating Archive cloud folders
+* Added support for creating native format (Fusion Direct) cloud folders
+
+Related issues and pull requests on GitHub: `#354 <https://github.com/ctera/ctera-python-sdk/pull/354>`_,
+`#355 <https://github.com/ctera/ctera-python-sdk/pull/355>`_
+
 2.20.34
 -------
 
@@ -11,6 +20,8 @@ Bug Fixes
 * Consolidated ``handle`` and ``handle_many``, as well as ``download`` and
   ``download_many``, to dynamically determine whether the target is a file or folder.
 
+Related issues and pull requests on GitHub: `#348 <https://github.com/ctera/ctera-python-sdk/pull/348>`_
+
 2.20.33
 -------