When libkipi is installed there is no method to build kipi-plugins automatically either via a dependency or USE flag. Without kipi-plugins, libkipi brings next to no functionality for applications such as Gwenview. Reproducible: Always Steps to Reproduce: 1.emerge -pv kde-base/libkipi 2.Notice lack of kipi-plugins 3.
kipi-plugins correctly depends on libkipi, emerge kipi-plugins if you want the functionality... there's no bug