The backend interface (Atum) is a significant upgrade from previous versions. It is fully responsive and focuses on accessibility (WCAG 2.1 compliance), making it much easier to manage sites on mobile devices.
When you download and install j4.zip , you are getting the "Core" installation. j4.zip
It introduced features like support for prepared SQL statements to prevent injection attacks and improved cryptographic security for password hashing. The backend interface (Atum) is a significant upgrade
One of its standout features is the new Workflow system. It allows site administrators to define custom stages for content (e.g., Draft, In Review, Published), which is essential for multi-user editorial teams. j4.zip
It uses Bootstrap 5 , making it highly compatible with modern frontend frameworks and responsive design trends.