from what i have read on this site: https://www.gizchina.com/2021/04/06/miui-12-5-stable-version-to-be-released-in-full-on-april-30/
"As for the new MIUI, the MIUI 12.5 stable version will be released in full on April 30, 2021. The first batch of compatible models includes Mi 11, Mi 10, Mi 10...