PHP 5.5.25, PHP 5.6.9, Composer and extensions updates

Change effective on 18 May 2015

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

  • PHP 5.5.25
  • PHP 5.6.9

The following extensions for PHP on Heroku have been updated today:

  • blackfire is now available in version 0.23.0
  • mongo is now available in version 1.6.8
  • newrelic is now available in version 4.21.0.97

Composer has been updated to version 1.0.0-alpha10.