How can it be stable then?OK, I managed to flash xiaomi.eu_multi_MI10Pro_V12.0.1.0.QJACNXM_v12-10.zip , rooting the device using the Chinese TWRP solved it.
BUT - There is a big issue with this ROM:
The camera app is not the Mi 10 Pro camera! No 108MP mode, no 5X, no macro etc...