Google is testing a new local knowledge panel UI:

The main differences of the tested KP from the regular KP are:
White header instead of blue;
New image slider UI;
Open/Close status displayed in the header.

Here is what the current blue knowledge panel looks like:

This tested UI somewhat resembles the new hotel knowledge panel test that I reported on 2 weeks ago.

Google also has been testing white local finder UI for a couple of weeks, but I’m not sure whether the 2 tests are related:

Google is testing white local finder UI pic.twitter.com/jZlyHi0h5P

— Sergey Alakov (@sergey_alakov) January 10, 2018