$ sudo apt install gnome-software=3.30.6-2ubuntu2 gnome-software-common=3.30.6-2ubuntu2 gnome-software-plugin-flatpak=3.30.6-2ubuntu2 gnome-software-plugin-snap=3.30.6-2ubuntu2
[sudo] password for fenris:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
ubuntu-software
The following packages will be DOWNGRADED:
gnome-software gnome-software-common gnome-software-plugin-flatpak gnome-software-plugin-snap
0 upgraded, 0 newly installed, 4 downgraded, 1 to remove and 0 not upgraded.
Need to get 3,058 kB of archives.
After this operation, 5,278 kB disk space will be freed.
Do you want to continue? [Y/n]
$ sudo apt install gnome-software= 3.30.6- 2ubuntu2 gnome-software- common= 3.30.6- 2ubuntu2 gnome-software- plugin- flatpak= 3.30.6- 2ubuntu2 gnome-software- plugin- snap=3. 30.6-2ubuntu2 common gnome-software- plugin- flatpak gnome-software- plugin- snap
[sudo] password for fenris:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
ubuntu-software
The following packages will be DOWNGRADED:
gnome-software gnome-software-
0 upgraded, 0 newly installed, 4 downgraded, 1 to remove and 0 not upgraded.
Need to get 3,058 kB of archives.
After this operation, 5,278 kB disk space will be freed.
Do you want to continue? [Y/n]