Change effective on 17 August 2018
The following new runtime versions are now available for PHP applications:
The following PHP extensions have been added or updated:
ext-event, version 2.4.1
ext-mongodb, version 1.5.2
ext-redis, version 4.1.1
composer.phar in the root directory of the project will no longer be used for installation of dependencies; the system provided version of Composer (see above) is now always used.