The Xiaomi Mi A3 has received another software update, following the release of V12.0.4.0.RFQMIXM last month. V12.0.6.0.RFQMIXM brings the Mi A3 onto the February security patch, which addresses 23 high or critical CVEs.
https://www.notebookcheck.net/The-Xiaomi-Mi-A3-receives-its-February-2021-security-patch-with-fixes-for-23-high-or-critical-CVEs.523498.0.html