GTK4 Migration Management

Take on the role of the project manager tasked with overseeing the crucial migration of Inkscape's GUI framework to the newer and more actively developed GTK4. You'll have to carefully organize and delegate tasks to the hired senior C++ developer with GTK experience and Inkscape expert, while also consulting with multiple senior developers for guidance. Speed is of the essence as all other work that touches the user interface during the migration time will face conflicts. Can you help drive the successful completion of the migration?