The first stable MIUI 12 update has landed on the Mi Note 10 and Mi Note 10 Pro in Europe. The update, which is rolling out now as an OTA, upgrades the two devices from V11.1.2.0.QFDEUXM. The whereabouts of MIUI 12 for more editions of the Redmi Note 7 and Redmi Note 7S has been offered too.
https://www.notebookcheck.net/Stable-MIUI-12-update-lands-on-the-Mi-Note-10-and-Mi-Note-10-Pro-in-Europe-as-update-whereabouts-offered-for-more-Redmi-Note-7-and-Redmi-Note-7S-handsets.489551.0.html