Hi,
since I can not use MATE Desktop now
I am considering to rollback.

It is not a question of packages like
guix package --rollback

but a question of MATE Desktop

is this the right command to rollback one Generation of the system,

because MATE is updated by the

"$ sudo guix system reconfigure /etc/config.scm" ?

sudo guix system roll-back

AFAIU this command rolls back "guix pull" and the guix system wide updates.


Kind regards

Gottfried