You can now build GTK4 as a Meson subproject for your own application! This is not only useful for Windows builds, but also for many Linux distributions that do not yet package a recent enough version of GTK4 and/or its dependencies. Here’s a look at how to do this, along with the few, easy steps needed to build both GtkSourceView 5.0 and GTK4’s GStreamer media backend with Visual Studio.