May 2019 PHP updates

Change effective on 09 May 2019

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

  • PHP 7.1.29
  • PHP 7.2.18
  • PHP 7.3.5

The following extensions have been updated:

  • ext-event, version 2.5.0
  • ext-imagick, version 3.4.4
  • ext-rdkafka, version 3.1.0

The libcassandra library used by the ext-cassandra extensions has been updated to version 2.12.0 (heroku-16 and heroku-18 stacks only).

The version of Composer used during builds has been updated to 1.8.5.