On the main PHP.net site they've posted the announcement today about the release of the latest version in the PHP 7.1.x series: PHP 7.1.1:
The PHP development team announces the immediate availability of PHP 7.1.1. Several bugs have been fixed. All PHP 7.1 users are encouraged to upgrade to this version.
Updated in this release are bugs in the language core, the CLI handling, namespacing with DOM and a few various security-related issues. You can find out about the rest of the changes and links to their respective bugs in the Changelog. As always, you can download this latest version from the main downloads page or windows.php.net for the Windows binaries.