1.4

• Security Checks: Ensured all input data is sanitized and validated.
• Custom Fields Improvements: Enhanced the display of custom fields.
• Shortcode Handling: Enhanced shortcode functionality.
• Internationalization: Added localization functions for translation readiness.
• CSS Styling: Added a function to enqueue CSS for better presentation.
• Documentation: Improved inline documentation and provided a structure for external documentation.
• OOP Approach: Used a class to structure the plugin, promoting better organization and maintainability.
• Error Handling and Debugging: Included some basic error handling, with suggestions for further improvements.

1.3

• Minor CSS fixes.