Require a specific version of Drupal 8 core in a module

Fri, Sep 7, 2018

In your module’s composer.json file:

In your .info.yml file:

dependencies:
 - system (>=8.6)

References

• https://www.drupal.org/project/php/issues/2714169
• https://drupal.stackexchange.com/questions/234343/how-to-restrict-a-module-to-a-specific-core-version