Update CHANGELOG

CHANGELOG.md

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 # Changelog
+
 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).
 
 ## [Unreleased]
 
+## [2.2.0] - 2021-12-23
+
+### Added
+
+- Browser event is dispatched if form is submitted
+- Compatibility for Livewire v2 (together with v1)
+
+### Changed
+
+- Default classes are now configurable
+- Updated documentation
+
+### Removed
+
+- Unnecessary `optional()` helpers are removed
+
 ## [2.1.0] - 2021-07-08
+
 ### Added
+
 - Added Form generation commands
 - Added possibility to pass custom rule namespace instead of object.
 
 ## [2.0.3] - 2021-03-16
+
 ### Added
+
 - GDPR component
 - Spacer field
 
 ## [2.0.2] - 2021-02-04
+
 ### Added
+
 - Flash data and functions
 
 ## [2.0.1] - 2021-01-25
+
 ### Added
+
 - beforeSave() in the submit logic
 
 ## [2.0.0] - 2020-10-14
+
 - Release the refactored version
 
 ## [1.0.0] - 2020-08-18
+
 - Initial release