The Redmi Note 7 continues to languish on Android 9.0 Pie, despite Xiaomi having recently upgraded the Redmi Note 7 Pro to Android 10. However, rumour has it that some "good news" is on its way, with there being a possibility that the Redmi Note 7 may receive Android 10 before Xiaomi upgrades it to MIUI 12.
https://www.notebookcheck.net/The-Xiaomi-Redmi-Note-7-may-receive-Android-10-before-the-arrival-of-MIUI-12.470185.0.html