As a senior C++ developer with GTK experience, you are hired by Inkscape to perform essential steps in the complex GUI migration from GTK3 to GTK4. You must manage your time and resources effectively to ensure smooth sailing of the migration process, while facing unexpected obstacles, conflicts, and crises that may arise along the way. Utilize your expert knowledge to oversee the migration, ensure the C++ bindings are adequate, and collaborate with the Inkscape expert to drive the migration to completion within the tight 16-week schedule. Will you go above and beyond to save the codebase from disaster?