Hi, PHP 5.5.23RC1 is available for testing. You can download it from https://downloads.php.net/~jpauli/ The Windows binaries are available at http://windows.php.net/qa/ This release contains a number of bugfixes. For the list of bugfixes that you can target in your testing, please refer to the NEWS file: https://github.com/php/php-src/blob/php-5.5.23RC1/NEWS Please test it carefully, and report any bugs in the bug system. The stable release is planned for March 19th, if no critical issues will be discovered in the RC. Thank you for your support. Julien Pauli & David Soria Parra