>>If you apply hotfix in development, you will also need to send runtimes with the hotfix. The reason for hotfix is the lately found problem with PictureVal and confirmations that latest hotfix (for SP2) fixed the problem.
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>So if I don't use PictureVal I and my customers don't need the hotfix?

Probably not - there is also a fix for report bug with groupings - that was the reason we installed hotfix at my work place.

Take a look at the latest thread Thread ID: 1465805 and a link to another thread regarding PictureVal property (irrelevant for your case - may be relevant for Jos).