document KDE5 upgrade
Some parts of the mixed KDE4/KDE5 setup on 42.1 became obsolete and should be replaced by KDE5 components.
For a smooth upgrade the old components are still available but not recommended.
The upgrade process should be documented in the release notes:
#1 Updated by lnussel about 6 years ago
- Status changed from New to Closed
- % Done changed from 0 to 100