Youzan Coder

Dec 3, 2021 · Mobile Development

Adaptive‑Sync and ProMotion Variable Refresh Rate Techniques on macOS, iPad Pro, and iPhone 13 Pro

Apple’s WWDC21‑introduced Adaptive‑Sync on macOS and ProMotion on iPad Pro and iPhone 13 Pro enable variable‑refresh‑rate displays, and developers can use Metal and CADisplayLink APIs to dynamically pace frames, query hardware limits, and adjust rates based on GPU load for smoother motion.