This looks like something specific to the snap package.

Snap versions:

client: 1.2.16

app: 1.2.7

The snap package also has to be installed with the --classic flag e.g. snap install screen --classic

Installing the .deb package 1.2.7 works as expected.

```

$ cat /etc/lsb-release

DISTRIB_ID=Ubuntu

DISTRIB_RELEASE=20.04

DISTRIB_CODENAME=focal

DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS"

```