Google's Android 17 beta introduces DeliQueue, a revamped task processing system that reduces dropped frames by up to 8% for smoother scrolling and animations.
© E. Vartanyan
In the beta version of Android 17, Google has implemented one of the most significant technical changes in recent years, directly impacting interface smoothness. Engineers have overhauled the system task processing mechanism to ensure scrolling, animations, and system responsiveness remain stable even under heavy multitasking.
As reported by Android Authority, key changes affect the MessageQueue subsystem, which handles the message queue for interface rendering. Previously, threads could block this queue, forcing other processes to wait for access. Under high loads, this led to dropped frames and noticeable stutters.
Replacing the old mechanism is a new structure called DeliQueue. It eliminates global locks and uses local memory access management, allowing threads to work in parallel. Google compares this principle to a deli counter: service order is determined not by a strict queue but by the readiness of specific orders, reducing overall wait times.
Internal tests show that DeliQueue has reduced dropped frames by about 4% in third-party apps and nearly 8% in the system interface and launcher. A slight improvement in app launch speeds is also expected. Developers can already check their apps for compatibility, while users can evaluate the changes by installing the Android 17 beta on compatible Pixel devices.