Hi Isomorphic,
please see this sample in 11.1p (v11.1p_2018-08-23) and 12.0p (v12.0p_2018-08-23).
In both versions, the background coloring does not work.
Also, in 11.1p the left and right border is missing:
11.1p:
12.0p:
Best regards
Blama