MIUI 12 is set to launch on April 27 alongside the Mi 10 Lite 5G in China, and Xiaomi has started teasing features bit by bit. After confirming features like Dark Mode 2.0 and smart wallpaper dimming, it has now teased custom third party style for the ‘Always On Display’ feature.

source https://gadgets.ndtv.com/mobiles/news/miui-12-teasers-always-on-display-camera-app-layout-customisation-support-teased-2216752