** Possible problem with Big Sur 11.3 Public Beta 4 **
11.3 Beta 4 released to the public a day or two ago has been very problematic on my Z490 Vision D:
- Unable to perform in-place update through System Preferences --> Software Update.
- Consequently, downloaded full installer using GibMacOS, but installation process hanged repeatedly during early stage of phase 1 install.
- Ran the full installer on Apple MacBook Pro 13" to perform a clean install on an external SATA SSD. Installation on MacBook Pro was successful.
- After transferring SATA SSD to Z490 Vision D, "welcome" wizard came up and I specified country, account name, etc., but system crashed before the wizard could complete.
- Rebooting the system brought me to the Login screen and I could log in, but system repeatedly crashed after a few minutes.
Finally, decided to do a clean install of 11.3 Beta 3, and it's been running perfectly. If you plan to install Beta 4, please make a full bootable backup first. Might be an even better idea to erase the backup disk before starting the backup. This allows Carbon Copy Cloner to use APFS Replicator, which is the only way macOS system can be backed up (along with all user folders).