Link lines glitch for collapsed parent tasks

I created three milestones, one per task, with each task containing a number of sub-tasks.
When viewing expanded it’s good. When viewing collapsed, the third milestone has orphaned predecessor link lines on the Gantt view. Not sure why it shows these when the first and second do not. It’s possible I misconfigured something, but I believe this to be a rendering issue:

May I ask you to share a sample project please?

Sure. Here’s the project with as much content removed as possible and the issue still shows.
Bad_Association_Lines.gan (9.6 KB)

Weird overreach of lines

Thanks, I have filed a new bug report: