Summary:
- The article discusses a feature called NotificationQueue and Custom Dispatch Source Coalescing in Apple's iOS and macOS frameworks.
- NotificationQueue is a mechanism that allows developers to manage and control the delivery of notifications to the user, ensuring they are not overwhelmed with too many notifications at once.
- Custom Dispatch Source Coalescing is a technique that allows developers to optimize the performance of their applications by combining multiple small tasks into a single, more efficient operation.