* Fixed issue [#890](https://github.com/jakubpawlowicz/clean-css/issues/890) - adds toggle to disable empty tokens removal.
* Fixed issue [#886](https://github.com/jakubpawlowicz/clean-css/issues/886) - better multi pseudo class / element merging.
-[4.0.10 / 2017-xx-xx](https://github.com/jakubpawlowicz/clean-css/compare/v4.0.9...4.0)
+[4.0.10 / 2017-03-22](https://github.com/jakubpawlowicz/clean-css/compare/v4.0.9...v4.0.10)
==================
* Fixed issue [#917](https://github.com/jakubpawlowicz/clean-css/issues/917) - prevents grid area unquoting.