Update CHANGELOG.md

Author: driesvints

CHANGELOG.md

@@ -1,8 +1,19 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/echo/compare/v1.5.4...master)
+## [Unreleased](https://github.com/laravel/echo/compare/v1.6.0...master)
 
 
+## [v1.6.0 (2019-09-24)](https://github.com/laravel/echo/compare/v1.5.4...v1.6.0)
+
+### Added
+- Add `stopWhisper` method to channel ([#243](https://github.com/laravel/echo/pull/243))
+- Add option `this.options.withoutInterceptors` ([#248](https://github.com/laravel/echo/pull/248))
+- Add support for custom connectors ([#247](https://github.com/laravel/echo/pull/247))
+
+### Fixed
+- Check for `querySelector` ([#251](https://github.com/laravel/echo/pull/251))
+
+
 ## [v1.5.4 (2019-06-14)](https://github.com/laravel/echo/compare/v1.5.3...v1.5.4)
 
 ### Fixed