updated changelog

Author: Oscar Otero

CHANGELOG.md

@@ -5,11 +5,20 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/) 
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## 2.1.0 - 2018-06-12
-
+## [3.0.0] - Unreleased
 ### Added
+- Support for ES6 modules.
+- The long functions (gettext, ngettext, etc) supports arguments to format the result (before, only short functions __, n__, etc had this)
+- You can use objects to format the text by search and replace. For example: `t.gettext('Hello _world', {_world: 'World'})`
+
+### Removed
+- Support for AMD.
+- Sprintf dependency by default. Now the library has a (very) limited sprintf implementation but open to extend and improved.
 
+## 2.1.0 - 2018-06-12
+### Added
 - Allow to include the plural function in the translations to prevent CSP errors [#4]
 
-[#4]: https://github.com/oscarotero/gettext-translator/issues/4
+[#4]: https://github.com/php-gettext/gettext-translator/issues/4
 
+[3.0.0]: https://github.com/php-gettext/gettext-translator/compare/v2.1.0...HEAD