It became known that Xiaomi quietly began testing the new MIUI 13 firmware based on the not yet released
Xiaomi is reported to have released a minorMIUI update with index 13.1. Interestingly, before that everyone was waiting for version 13.5. There was no official announcement of the firmware - just Xiaomi 12 and Xiaomi 12 Pro smartphones received the latest version of the shell.
What innovations are implemented in MIUI 13.1 is not yet clear. There is also an opinion that MIUI 13.1 will not be released for all smartphones. It is obvious that the flagships will receive the firmware, but it is not clear whether MIUI 13.1 will be released for other models.