This is needed to use QDoc and the CI is dropping Qt5. Currently KF5KExiv2 is still used by: * ~~kdegraphics-thumbnailers~~ https://invent.kde.org/graphics/kdegraphics-thumbnailers/-/merge_requests/20 * kgeotag * ~~libkipi~~ (archived) These need to be ported before libkexiv2 becomes Qt6 only.