Updated PHP extensions (including New Relic for PHP 7); PCRE JIT defaults to off
Change effective on 21 March 2016
The following updated extensions are now available for PHP applications on Heroku:
- 
ext-event/2.0.1 - 
ext-mongo/1.6.13(for PHP 5 only) - 
ext-mongodb/1.1.5 - 
ext-oauth/2.0.1(for PHP 7 only) - 
ext-newrelic/6.1.0.157 - 
ext-blackfire/1.10.0 
The PHP 7 pcre.jit INI setting now defaults to 0.