Times it broke for me.
Highlight does not even exist in any of those parts or it’s ancestors, the entire game was also highlighted:
Highlight exists in model, but it’s not enabled and the colors and transparency are wrong (but always the same when wrong). In the video, I toggle the Enabled property:
https://gyazo.com/e803da4e5860db388118a54665c40e73
None of these inconsistencies occur in a running game, however.