Display issue after moving control points

Rhino Rhino for Windows
1

Hi,
Does this happen to you? why is it like this?

Thanks!

http://www.screencast.com/t/kBtTsRs1Y

Sample file Test.3dm (35.3 KB)

2

Looks like a bug to me.

http://mcneel.myjetbrains.com/youtrack/issue/RH-24558