I can only edit fields in a product line item when using the Default Public View of Opportunity Product Inline Edit View. If I create an unmanaged Public View with some extra columns - I can not edit any fields on the line item without opening it.
There appears to be no option to set a default view in both Opportunity Products and Quote Products. At the moment I am just testing this in the Sandbox, but see the same thing in the production environment.
How do I edit fields directly in Product Line Items using a public view that I have created? Or how would I edit the default public view?