Frameworks releases are a mixture of bugfixes, new features, and general improvements to the KDE base libraries.

As such, keen adopters who might like to install this backport can check the changelog to what has been fixed/changed/enhanced.

To upgrade:

Add the following repository to your software sources list:

ppa:kubuntu-ppa/backports

or if it is already added, the updates should become available via your preferred update method.

The PPA can be added manually in the Konsole terminal with the command:

sudo add-apt-repository ppa:kubuntu-ppa/backports

and packages then updated with

sudo apt update
sudo apt full-upgrade