I've been spending most of my time in cap for now so I haven't experienced the game fully yet- I will need to wait until the weekend as I'm too busy during the weekdays sadly. Having said that I hate 2 things so far and they're entirely to do with walking: 1) why oh why can't we walk more than one dog at once?! I know there's the potential issues with animation but they could have bypassed the leash for group walks or something. 2) your dog will still want to go on a walk even if you are outside with it somewhere e.g. I had my sim take her dog to the spice festival and he was sad because he wanted to go for a walk. Why?? Not sure if that's a big or if it's a thing but it is a bit annoying
Otherwise I'm having fun so far, I can't wait to explore the game more in depth soon