libstartup-notification0 0.12-6build2 (arm64 binary) in ubuntu mantic

 startup-notification is a library which allows programs to give the user
 visual feedback that they are being launched; this is typically implemented
 using a busy cursor. This library is currently used by GNOME programs, but
 is part of the freedesktop.org suite of cross-desktop libraries.
 .
 This package contains the shared library.