The "add" and "change" functions in 1.0 wouldn't work with some
standards-compliant browsers. This has been fixed, along with some
problems with the "Image Upload" function. This is a recommended
upgrade for all users.
A built-in search engine, two-level menus, support for antique browsers, and many other minor changes. However, the code also requires current versions of PHP (>=4.1.x with 'superglobals') and MySQL (>=3.23.23).