libnautilus-extension broke API/ABI without changing pkg-config name
libnautilus-extension
now pulls in gtk4 instead of gtk3. Clearly this is an API & ABI break; the pkg-config name should be different, maybe libnautilus-extension-4.0
. This bug made the gnome-terminal build fail in https://bugzilla.redhat.com/show_bug.cgi?id=2045449 .