After sending out the global beta stable MIUI 12 update to the Redmi Note 9 last week, Xiaomi has now blessed the European model of the phone with a similar update. The update bears the build number "MIUI 12.0.1.0 QJOEUXM" and is a 538 MB download.
https://www.notebookcheck.net/Stable-MIUI-12-update-graces-the-Redmi-Note-9-in-Europe.484076.0.html
Oh yes, MIUI - the best thing about it is when you completely wipe it and install LineageOS ;D