Fantasy Springs construction is moving ahead at Tokyo DisneySea. Here is more information on Fantasy Springs.
Here is some concept art on how the project will look once completed:
Here is a video I found from the Sheraton Club taking a look at the site.
For comparison here is a picture I took in April 2018 from the same lounge –
Here is a video I took from my room which was off to the right more in the picture above –