- Strapi 5 introduces a new response format that simplifies frontend development. - The design system has been overhauled to address past limitations and align with industry best practices. - Patch-package is no longer recommended for modifying the admin panel due to changes in build tooling. - Lifecycles have become more complex in Strapi 5, especially when dealing with advanced features like Draft & Publish, internationalization, or other features that add complexity. - The new Plugin SDK and Document System provide powerful tools for plugin development and data management.