In theory, Universal will close the attraction in January. It is known in the park that Universal has already purchased the park. It is a matter of time that is been announced. It probably will happen before the end of the year as they are preparing the ground with news about the sale.
Boulva's hiring has also been leaked. He works at Disneyland Paris. Before that leak, a Disneyland Paris insider from OutsidEarsDLP confirmed that Universal is hiring park staff. They are now officially making references like that Harry Potter one as well.
It is coming