1. The multi-site mode is introduced for the first time, supporting the opening of different sites in the same space. All sites are managed in one backend (note, this is not a site group)
2. Support mobile phone access to automatically switch to mobile mode (if your site style is different from the mobile phone style, you can easily implement it as long as you name it according to a certain folder)
3. Pseudo-static is more humane
4. Built-in SEO function, which can be set globally and for a single theme, a single category, or a single project.
5. Powerful customization function, supporting: members, projects, member groups, categories, global, etc., all can be customized. Uses a full set of field managers
6. Attachment management supports customized categories and customized directories
7. The plug-in function is introduced. This function is still very good in version 3.0, but it has been greatly improved in version 4.0. Tutorial documents will be slowly put online.
8. Various configurations can be XML-based, such as theme attributes and attachment types, which can be added in XML extensions.