ruby-webkit2-gtk 3.2.1-5build2 (amd64 binary) in ubuntu bionic

 WebKitGTK+ is the GNOME platform port of the WebKit rendering engine.
 Offering WebKit’s full functionality through a set of GObject-based APIs,
 it is suitable for projects requiring any kind of web integration, from
 hybrid HTML/CSS applications to full-fledged web browsers, like Epiphany
 and Midori.
 .
 This package contains libraries for using WebKitGTK+ with GTK+ 3 and the Ruby
 language.