Comment # 1 on bug 1191685 from Michael Andres

(In reply to Zago from comment #0)
> Updating from   openSUSE Tumbleweed  20211005-0 to 20211012-0 add
> microos_desktop_common by default without any user intervention.
> 
> This problem not bring any crash, but I don't understand why is
> microos_desktop_common useful in a normal TW desktop user case.

@Zago, according to your output:

> The following pattern is going to be upgraded:
>   microos_desktop_common
> 
> The following product is going to be upgraded:
>   openSUSE Tumbleweed  20211005-0 -> 20211012-0

You had the microos_desktop_cpmmon pattern installed and so it was updated.
It's not a new one.

You can check your /var/log/zypp/history file and search for
microos_desktop_common. This may reveal when it was initially installed.