diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a655c5..21c93f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.20.0](https://github.com/fabiocaccamo/python-benedict/releases/tag/0.20.0) - 2020-09-20
+-   Added `BaseDict` as base class to keep pointer to the initial input dict. #32
+-   Added automatic `benedict` casting to all methods that return dict instances.
+-   Updated `flatten` method, now a `KeyError` is raised in case of existing key.
+
 ## [0.19.0](https://github.com/fabiocaccamo/python-benedict/releases/tag/0.19.0) - 2020-09-11
 -   Added `plist` format support.
 -   Enforced `IODict` initial check when using filepath or data-string.
diff --git a/benedict/metadata.py b/benedict/metadata.py
index 397fb5d..1a1bb49 100644
--- a/benedict/metadata.py
+++ b/benedict/metadata.py
@@ -2,8 +2,8 @@
 
 __author__ = 'Fabio Caccamo'
 __copyright__ = 'Copyright (c) 2019-2020 Fabio Caccamo'
-__description__ = 'python-benedict is a dict subclass with keylist/keypath support, I/O shortcuts (Base64, CSV, JSON, TOML, XML, YAML, pickle, query-string) and many utilities... for humans, obviously.'
+__description__ = 'python-benedict is a dict subclass with keylist/keypath support, I/O shortcuts (base64, csv, json, pickle, plist, query-string, toml, xml, yaml) and many utilities... for humans, obviously.'
 __email__ = 'fabio.caccamo@gmail.com'
 __license__ = 'MIT'
 __title__ = 'benedict'
-__version__ = '0.19.0'
+__version__ = '0.20.0'