The Xiaomi Mi A3 has received another update, this time on Xiaomi's EEA branch. V12.0.5.0.RFQEUXM is another security patch update for the Android One handset, but it addresses 38 high or critical CVEs that Google has identified. V12.0.5.0.RFQEUXM is rolling out now as an OTA download.
https://www.notebookcheck.net/The-Xiaomi-Mi-A3-receives-March-2021-security-update-in-Europe-with-38-high-or-critical-CVEs-addressed.528371.0.html