Binary package “libgtk4-layer-shell0” in ubuntu oracular

wayland layer shell protocol library (GTK4) -- shared library

 A library for using the Layer Shell Wayland protocol with GTK4. With this
 library you can build desktop shell components such as panels, notifications
 and wallpapers. It's compatible with C, C++ and any language that supports
 GObject introspection files (Python, Vala, etc).
 .
 This package contains the shared libraries.