Just returned from 5 nights at the Grand Cal. I really enjoyed the resort this time, maybe even more so than previous trips. Cast members greeted me at the car when I took an Uber back from dinner one night, the pianist was almost always out playing, and turndown service is apparently back or here for the first time (not sure which). Several times I grabbed food from Downtown Disney and ate in the public spaces or on my balcony.
I really like the room decorations and shower. My balcony looked right at a tree, but I could see the pool through it. I was in room 3222, which is not too far from the lobby but also isolated enough to be quiet. I thought it was good overall, but last visit I had a room right off the 5th floor of the lobby, and I think I preferred that. Security lines were never long, even at the morning rush. The only place which felt crowded was the Craftsman Grill, both the bar and quick service areas. I don't eat there very often, so it didn't really affect me.