It seems that Librem 5 developers will now get sufficient time to ship their phone with GNOME 3.32. In a blog post, the project urged the app developers to “use libhandy 0.0.4 and up, use GTK+ 3.24.1 and up and target GNOME 3.32!”
Source: Linux Smartphone Librem 5 Will Ship With GNOME 3.32