With the introduction of package management you can now upgrade your system in place using the pkgman command. The update process is straightforward, requires an internet connection, and requires a single reboot. pkgman will handle obtaining the latest updates and applying them to your system.
Bleeding edge
Warning: Bleeding edge updates may occasionally fail if major ABI updates have taken place since the last update was performed. While problems are rare, having backups is recommended before updating.
Update process
To update your system to packages in the repositories, there are a few simple steps to perform.