This is a minor version (feature release) of Drupal 9 and is ready for use on production sites. Learn more about Drupal 9 and the Drupal core release cycle. This minor release provides new improvements and functionality without breaking backward compatibility (BC) for public APIs. Note that there may be changes in internal APIs and experimental modules that require updates to contributed and custom modules and themes per Drupal core's backwards compatibility and experimental module policies. Drupal 9.2.x contains new features, and should be the target for new site development.

Chaos tool suite (ctools) module provides a number of APIs and extensions for Drupal, its 8.x-3.x branch is a start from scratch to evaluate the features of ctools that didn't make it into Drupal Core 8.0.x and port them. The module doesn't sufficiently handle block access control on its EntityView plugin. This is a followup to more fully implement the fixes from