# Changes in PHPUnit 6.3 All notable changes of the PHPUnit 6.3 release series are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles. ## [6.3.1] - 2017-09-24 ### Fixed * Fixed [#2769](https://github.com/sebastianbergmann/phpunit/issues/2769): Usage of `setUseErrorHandler()` produces `Undefined variable` error ## [6.3.0] - 2017-08-04 ### Added * Implemented [#2722](https://github.com/sebastianbergmann/phpunit/pull/2722): `@requires OSFAMILY` annotation * Implemented [#2723](https://github.com/sebastianbergmann/phpunit/pull/2723): Provide a way to force set an environment variable from XML configuration file ### Changed * Implemented [#2751](https://github.com/sebastianbergmann/phpunit/pull/2751): Use `fopen()` instead of `is_readable()` to check if a file is readable (workaround for Windows and network shares) [6.3.1]: https://github.com/sebastianbergmann/phpunit/compare/6.3.0...6.3.1 [6.3.0]: https://github.com/sebastianbergmann/phpunit/compare/6.2...6.3.0