Version 3.42.0 is available upstream. Please consider updating!
It seems that version 3.42.0 is available upstream, while the latest version in the Gentoo tree is 3.40.0. You think this warning is false? Read more about it here.
libdazzle is a collection of fancy features for GLib and Gtk+ that aren't quite
ready or generic enough for use inside those libraries. This is often a proving
ground for new widget prototypes. Applications such as Builder tend to drive
development of this project.