It could be so that here in Germany one AdServer (Flashtalking.net) will be forcing us to build Banners(creatives) in their AdBuilder. My biggest nightmare.
Why? We don't get too animate as good as possible in Hype.
To ad: Google Web Designer was in 2015 also a horrible problem to animate Banners(creatives).
Have a call later today. Let's see what they want.
Hmmm, Flashtalking used to accept ads made with Hype... I have an old contact from ~2015 that I'll reach out to and see if they can shed more light on this decision and/or if there's a way for them to continue to accept Hype-produced ads.