gtk5 modpack installer
Copy mpgui_gtk4.c as mpgui_gtk5.c and do the build system integration to start development towards gtk5 modpack installer - at first fixing anything deprecated in latest gtk4 versions.
Copy mpgui_gtk4.c as mpgui_gtk5.c and do the build system integration to start development towards gtk5 modpack installer - at first fixing anything deprecated in latest gtk4 versions.