Canonical says LTS are for polish and non-LTS are new features: https://www.ubuntu.com/about/release-cycle https://www.ubuntu.com/about/release-cycle > Interim

Canonical says LTS are for polish and non-LTS are new features: https://www.ubuntu.com/about/release-cycle https://www.ubuntu.com/about/release-cycle > Interim releases will introduce new capabilities from Canonical and upstream open source projects, they serve as a proving ground for these new capabilities.