Release 8.x-2.0-beta1 This is the first stable version of the 8.x-2.x branch. It includes: - the mongodb module to support package submodules and custom development - the mongodb_storage to support D8 Key-Value storage - the mongodb_watchdog as a PSR-3 logger and log report UI - Drush commands It requires. - MongoDB 3.0 to 3.6. MongoDB 4.0 suffers from ssue #2984212. - PHP 7.0.x or 7.1.x - PHP extension "mongodb", not "mongo". - Drush 8.x to use the optional commands. Drush 9 is not supported. - PHP library mongodb/mongodb version 1.2.0 to 1.4.x. - see https://docs.mongodb.com/php-library/current/ Installation using drupal-composer/drupal-project is recommended.