>>there is no way to add new Category filter. Clicking on Add button brings up Category search form with disabled search box
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>When you click Add, you obtain a form. That form includes a pick list control to select the category. Simply click on the pick list, search/select the category, and then Save on that form.
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>>On unrelated note, New message form ignores ID of a person message directed to
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>The concept of using the user primary key in the product is disappearing. So, that field should be read only and the pick list can be used to search/select the user.

But to enter a simple 1 was so - fast ....