Xiaomi is now rolling out the very first MIUI 12.5 Enhanced update to owners of the European model of its flagship phone, the Mi 11 Ultra. This is a Mi Pilot release, however, and is not currently available to the public, although a wide rollout should follow over the coming weeks.
https://www.notebookcheck.net/Early-MIUI-12-5-Enhanced-Edition-arrives-for-the-Mi-11-Ultra-in-Europe.568910.0.html