GTK and the associated development files. For 4.x use the "gtk4" branch. The Fortran Package Manager fpm. If you want to build and install the whole project (library, tools, examples...), you also ...

Earlier this year Ubuntu announced plans to replace document viewer app Evince with Papers, a modern GTK4/libadwaita fork 1 of the former, in Ubuntu 25.04—today, the swap was made official. Ubuntu ...