Hi Radu,
I appreciate your clear description of the problem and explanation of what you are trying to achieve.
I admit I have not added a page to the demo app to test use of multiple components at the one time. So it is no surprise there is a defect there.
I am looking at it now and should have a fix in the next week. Please let me know if there are any deadlines impacting you that could be helped by having a fix sooner.
I should be able to identify the issue without this, but it would help if you could let me know whether you are using the UploadBlock or the AutoUploadBlock. Also posting the full configuration you are using would also ensure I don't miss anything. But again, if my testing is good enough, I should find it regardless.
Thanks Radu!
Kind regards,
Stuart