Update CHANGELOG.md

CHANGELOG.md

@@ -5,6 +5,20 @@ 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).
 
+## [1.9.0] - 2021-05-26
+
+### Added
+
+- Added `prioritize_nova_locale` configuration option
+- Added `display_type` configuration option (that currently allows `row` and `column` options)
+- Added `$options = []` as second argument of `->translatable()`
+
+### Changed
+
+- Fixed missing `mergeConfigFrom`
+- Fixed issue with `rulesFor` and `nova-flexible-content` (thanks to [@trippo](https://github.com/trippo))
+- Updated packages
+
 ## [1.8.4] - 2021-05-17
 
 ### Changed