Android 12: Beta 4 version is the most stable
Usually the beta versions of an operating system are not fixed, but the beta 4 of Android 12 seems to have no problems. Several sources, in fact, recommend that early adopters take the step of installing on their smartphone.
According to Google, this version of Android 12 is the one that guarantees the stability of the platform, and it is estimated that another beta version will follow and then the final, commercial version that can be installed on all devices will become available.

In addition to the Pixel smartphones that will be able to get the new Over The Air operating system, this update will also be able to receive some models from ASUS, OnePlus, Oppo, realme, Sharp, Tecno, TCL, Vivo, Xiaomi and ZTE. By following the link: https://developer.android.com/about/versions/12/devices, you can see more detailed information about which models can receive the upgrade to Android 12.
In any case, interested parties should be aware that this is not about the final version, but about the more stable beta, but most sources agree that its stability guarantees good operation.
Video from YouTube channel 9to5Google