I would say they're receiving the attention of a phase-in species, even if the results aren't bearing fruit yet; quite a few major bear habitats have been renovated in the last ten years to improve the standard of care for polar bears considerably, often adding more space in general, more solid land, often including more grass and less rockwork, as well as multiple exhibits to separate bears, and dens for breeding opportunities. I would note in both local opportunities, some other bear species were dropped to focus on improving care for polar bears.
The real question is whether or not the AZA will see a return on this investment; it's a far bigger risk than they usually take these days, as they haven't discussed phasing in anything else that would fit these exhibits. (They prefer sloth and andean bears, which require forest habitats.)