Zymphonies has contributed so many projects to drupal.org and we keep continuing with the latest versions. The Drupal core version 8 series has reached end-of-life. This means that all releases of Drupal 8 core and Drupal contributed project releases that are compatible with only Drupal 8 will be marked unsupported as they no longer have security team support.
Drupal 8.0.0 was first released on Nov-9, 2015. The last version was released on Nov-17, 2021.
All the Drupal 8 site owners must upgrade to Drupal 9 to receive security updates and bug fixes. The Drupal Association will also disable testing with unsupported versions of Drupal.
Security issues that only affect Drupal 8 (and not Drupal 9 or Drupal 7) will be made public and sites are at risk of having these issues exploited if they do not upgrade.