Still bad weather for photos, but:
Here we can see a second crane being attached directly to the concrete at the top of the building. I presume that this is what they will use to lower down the other crane, as well as finish the other parts of the roof. You can also see that Millennium now has its own Spider installed:
The boom on the new crane can been seen here, folded up against the mast like part:
We should be seeing glass on the atrium next week: