Silverblue is an operating system for your desktop built on Fedora. Its excellent for daily use development and container-based workflows. It offers numerous advantages such as being able to roll back in case of any problems. If you want to update to Fedora 33 on your Silverblue system this article tells you how. It not only shows you what to do but also how to revert things if something unforeseen happens.
Prior to actually doing the rebase to Fedora 33 you should apply any pending updates. Enter the following in the terminal.
or install updates through GNOME Software and reboot.
The GNOME Software shows you that there is new version of Fedora available on the Updates screen.
First thing you need to do is to download the new image so click on the Download button. This will take some time and after its done you will see that the update is ready to install.