With Affinity it's simply not working.
I sent a negative feedback to their site and they answered back in 5 minutes.
A "Thank you!!!" with 10 exclamative points and font size 72.
If they want to convince web designers to pay 600 USD for an IXXO licence (no comment) maybe they should consider that it doesn't seem a serious approach.
We released the new version for Joomla 2.5 and there should be no issues.