There continue to be walls that cannot be used as cover. Some were reported during TU12 PTS: https://forums.ubisoft.com/showthrea...used-for-cover
This is another instance:
https://i.imgur.com/k5ylj6Q.jpg
https://i.imgur.com/cjud5BH.jpg
It's particularly annoying as it's the only large piece of cover at one end of a long corridor.

