After weeks of waiting, the stable MIUI 12 update is finally seeding to the Poco X2 in India. The Redmi K30-based phone is getting the OTA with build number "MIUI 12.0.1.0 QGHINXM" and an 813 MB file size.
https://www.notebookcheck.net/The-Poco-X2-finally-gets-the-stable-MIUI-12-update-in-India.484419.0.html