What are some common challenges full stack WordPress developers face when working on custom plugin or theme development?

Full Stack WordPress Developers often encounter challenges such as ensuring compatibility between custom plugins/themes and core WordPress updates, managing site performance while adding new features, and maintaining security best practices throughout the codebase. Balancing client requirements with technical limitations of the WordPress ecosystem can also be demanding. Additionally, developers frequently collaborate with designers, content creators, and other developers, making clear communication and documentation essential for smooth project delivery.