First disappointment: Rival challenge is tied to the event. Is this because fewer people are bothering with the events and this is their way of trying to coerce us into participating? (Fails with me, by the way.)
Second disappointment: Collect all button now hidden on PC unless you switch to full screen mode, which you have to do manually on each city you visit. Do they really not want us to spend that 5 Diamonds?!? That's okay, though, it's the final incentive I need to turn my cities into full WW Diamond farms with no other buildings but GBs to throw FP on so I can collect all my WWs every day. That way I can collect without spending that 5 Diamonds, and won't have to worry about the annoying collection popups. One already converted, the rest will follow...except one to use all the Diamonds on. Haven't decided which one yet. Guarantees I will never spend money on FoE again. (Haven't for a while, anyway.)