Core 20 base snap20260901

It supplies the shared libraries and dependencies that snap applications use to run, giving packages a consistent runtime environment. Its runtime is based on Ubuntu 20.04 LTS, also known as Focal Fossa. A snap package built for the core20 environment can rely on this Ubuntu foundation for its execution needs.

Snapd installs the base automatically when a snap package declares that it requires it. Only one base snap of each type is installed, and manually removing it may affect system stability. Rather than serving as an everyday application, Core 20 base snap operates as a supporting system component for dependent snaps. Developers select it in a snap configuration by setting base to core20 in snapcraft.yaml.

Canonical publishes Core 20 base snap as freeware for users and developers working with snap packages that depend on the Ubuntu 20.04 LTS runtime. It runs on Linux with snapd and supports amd64, arm64, armhf, ppc64el, riscv64, and s390x systems. The current version is 20260901, and it is presented under the System Tools category.