On Kubuntu, Project Neon is available as PPAs which offers frequently updated development snapshots of KDE Frameworks. Packages will be installed to /opt/project-neon5 and will not contaminate your normal environment.
sudo apt-add-repository ppa:neon/kf5 sudo apt-get update sudo apt-get install project-neon5-session project-neon5-utils project-neon5-konsole
Releases of KDE Frameworks 5 and Plasma 5 are being packaged in the next PPA.
sudo apt-add-repository ppa:kubuntu-ppa/next sudo apt-add-repository ppa:ci-train-ppa-service/landing-005 sudo apt-get update sudo apt-get install kubuntu-plasma5-desktop