Hi,
I have a MiNote10, always running with Miui12 with root, but I have installed the Miui12.3 and had to wipe data.
Now I install MIUI 12.3 20.11.12 and I follow the procedure:
first Magisk v11 and then Magisk v21.1
It works worse, produces a lot of lags and hangs.
I have to do a Factory Reset