From santa's email on this
We have been working the last few days on some upgrades for backports. They are available for testing in the backports-landing PPA:
https://launchpad.net/~kubuntu-ppa/+archive/ubuntu/backports-landing
The updates provided are the following:
For ZESTY (17.04, latest stable version):
- Frameworks 5.33
- Plasma 5.9.5
- digikam 5.5
- konversation 1.7
- krita 1.3.1
- krusader 2.6.0
- labplot 2.4.0
- yakuake 3.0.4
For XENIAL (16.04, current LTS version)
- Frameworks 5.33
- Plasma 5.8.6
We would like to move them to our official backports PPA in the next few days:
https://launchpad.net/~kubuntu-ppa/+archive/ubuntu/backports
Regards.