First, we are really pleased to let you test a beta release of the coming jSeblod CCK 1.5.
The version is incomplete, some features are not fully implemented or missing in this package, but you will certainly see lot of new things and maybe some surprising ones.
You can also have a look at the Overview and Changelog of the stable CCK 1.5 release.

Powerfull Templates, Content Types, Custom Fields (35 Field Types) with Admin & Site Submission and/or Registration Features.
Fully integrated to Joomla Content Manager, Category Manager, User Manager and all other components, without any hack !
Advanced Media Manager, Content Edition Kit, SubCategories, Tags, True Preview, and much more...

Much more details from the Changelog :

+ Joomla User Registration (admin/site) added / allow multi-registration forms in one website
+ Joomla Categories Submission (admin/site) added
+ SubCategories added (integrated to Joomla Category Manager)
+ Existing Joomla Plugin Buttons available as Content Field

+ Box CEK mode added on Article, Category, User Managers
+ Advanced CEK Mode configuration added
+ Fullscreen button added on CEK

+ True Preview added on Article Manager

+ Site Url Views added on Content Templates
+ Site Views view added from Content Templates >> List any Site Views
+ Multiple parameters + ColorPicker in Form Templates

+ Content Fields creation/edition added on Content Types
+ Emails Fields assignment added on Content Types

+ Alias Field Type added on Content Fields
+ Captcha Image Field Type added on Content Fields
+ External Article Field Type added on Content Fields
+ External Subcatagories Field Type added on Content Fields
+ Field X Field Type added on Content Fields
+ Folder Field Type added on Content Fields
+ Joomla Plugin Button Field Type added on Content Fields
+ Joomla User Field Type added on Content Fields
+ Password Field Type added on Content Fields
+ Select Numeric Field Type added on Content Fields
+ Email Field Type improved >> SendEmail events, Include Fields’ value
^ Image Field Type replaced >> Advanced Media Manager
^ Joomla Article Field Type renamed to Joomla Content Field Type
^ Wysiwyg Editor improved >> Joomla Editor, on Form or on Box
# Multiples fix, improvements, or attributes added on Content Field Types

+ Extended Toolbar admin module included
+ Extended Login site module included
+ Toggle CEK admin module included
+ jSeblod Tags plugin button added

Do not update a previous release of the CCK with this one, but install it with the Joomla Installer on your dev/test website.

Enjoy jSeblod CCK, and feel free to help us in order to make it better everydays. Thanks a lot for you support.