Ubuntu 20.04 LTS (Focal Fossa) was released on April 23, 2020, and it will be supported for five years. It comes with a lot of new packages and major software upgrades, including the latest versions of OpenJDK, GCC, Python, Ruby, and PHP. This tutorial explains how to upgrade to Ubuntu 20.04 LTS from Ubuntu 18.04 or Ubuntu 19.10.

Source: LXer – How to Upgrade to Ubuntu 20.04