The developers of KDE announced the release of KDE Frameworks 5.9.0.
KDE Frameworks are 60 addon libraries to Qt which provide a wide variety of commonly needed functionality in mature, peer reviewed & well tested libraries with friendly licensing terms.
This release is part of a series of planned monthly releases making improvements available to developers in a quick and predictable manner.
Installing binary packages; using packages for your favorite distribution is the recommended way to get access to KDE Frameworks. Binary package distro install instructions here.