gnome-shell-dbg 3.18.2-0ubuntu1 (arm64 binary) in ubuntu xenial

 The GNOME Shell provides core interface functions like switching
 windows, launching applications or see your notifications. It takes
 advantage of the capabilities of modern graphics hardware and
 introduces innovative user interface concepts to provide a
 delightful and easy to use experience. GNOME Shell is the defining
 technology of the GNOME 3 user experience.
 .
 This package contains detached debugging symbols.