February 2018 PHP runtimes and extensions update

Change effective on 13 February 2018

The following new runtime versions are now available for PHP applications:

  • PHP 7.1.14
  • PHP 7.2.2

The following PHP extensions have been added or updated:

  • ext-blackfire, version 1.18.2
  • ext-mongodb, version 1.4.0
  • ext-sodium (bundled with PHP 7.2, available on heroku-16)

The newrelic extension now uses abstract sockets to communicate with the New Relic daemon process for better performance.

The version of Composer that is used during builds and available at runtime is now 1.6.3.