Binary package “libwxgtk-webview3.2-dev” in ubuntu mantic

wxWidgets Cross-platform C++ GUI toolkit (GTK 3 webview library development)

 wxWidgets (formerly known as wxWindows) is a class library for C++ providing
 GUI components and other facilities on several popular platforms (and some
 unpopular ones as well).
 .
 This package provides files needed to compile wxWidgets programs using the
 wxWebView class.