Dharmendra Singh of To The New has published a blog post detailing the process of creating custom validation constraints in Drupal 10. The post outlines the transition from form-based validation to utilizing Drupal's core validation API, enabling validation directly on entity fields. Singh provides a three-step method for defining, creating, and setting custom constraints aimed at enhancing the security and performance of Drupal websites. The piece serves as a resource for Drupal developers seeking to implement more efficient validation methods beyond traditional form-based techniques, reinforcing the importance of adapting to evolving digital standards.