These steps are specifically for building a release version of Audacity 2.4.2 (available now) on Ubuntu 20.04. For simplicity, the steps are deliberately kept to a minimum without any additional options. Prerequisites: Repository sources (sources.list) must include source code sources. For MP3 / FFmpeg support, “non-free” repositories may need to be enabled. Root access is required for installation (usually via “sudo”). Cmake version 3.15 or later. An Internet connection. Required d…