Xiaomi has started rolling out the MIUI 12.5 update for the Redmi Note 7 with the China ROM. Apparently, the firmware is in a stable beta form, so there will be a testing phase before a wider rollout commences. The Redmi Note 7 was released in February 2019 and has been a massive sales hit for Xiaomi.
https://www.notebookcheck.net/MIUI-12-5-starts-making-its-way-to-Redmi-Note-7-owners-with-the-China-ROM-model.550198.0.html