Update Readme

CHANGELOG.md

@@ -6,7 +6,25 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## Unreleased
 
-## [1.1.0] - 2021-04-01
+## [2.0.0] - 2021-04-02
+
+### Removed
+
+* 2.0 and upwards don't support Elixir 1.10 anymore. Use version 1.x for Elixir 1.10 support.
+
+### Added
+
+* Date and DateTime support (#17)
+
+### Chores
+
+* yaml_elixir upgraded to 2.6.0
+* excoveralls upgraded to 0.14.0
+* ex_doc upgraded to 0.24.1
+* credo upgraded to 1.5.5
+* dialyxir upgraded to 1.1.0
+
+## [1.1.0] - 2021-04-02
 
 ### Added