The Google Knowledge Graph carousel, which launched about 10 months ago, is now showing up more and has a slightly updated style.
Here is an image that shows the new updated design for the carousel (click on it to enlarge):
Here is the old version:
Two things here:
(1) The carousel is showing up more often these days and will likely continue to show up even more often in the future.
(2) The design has been updated, which shouldn't surprise anyone.