KDE Plasma Workspaces 4 to KDE Plasma 5.2 - Arch Linux
This guide was written on January 29, 2014. Things may change in the future!
System needs to be up to date:
This will pull in a lot of Frameworks5 stuff. Also, some applications like konsole are already ported to Plasma 5.
Reboot to make sure you run the latest software.
Check if fonts in Konsole are ugly/wrong. If so, (re-)set font in konsole settings.