did you open task explorer ? http://code.google.com/p/cubeon/wiki/GS_Task_Explorer
To task that you dont create from cubeon you need to query and from query results view you can sync with task explorer.(http://code.google.com/p/cubeon/wiki/GS_Local_Query)
>>Yes, it's empty. Even if I create tasks in my trac repo from NetBeans, they don't appear in there. I don't have a need for tasks >>that are not in trac.Can you send me screenshot if it not there suerly it is BUG and need to fix
>>That would be great if it was the interface for trac - I can see that it's easy to query tasks by priority, state etc. The equivalent >>trac query creator gives me an empty box to type a query in. I took a guess at 'status!=closed', and I've now got a list of tasks >>(and synced with the explorer), so that's good - where can I find a field list? It would be helpful if there were some predefined >>queries.If you use latest version of cubeon it support Custom fields and Query designer like trac web interface has