Issues, Workarounds & Localization

I filed a bug report about this 19 days ago and still no reply so I'm posting on the forums.

Description:
When clicking a specific area of a group of tabbed windows the tab that was visible at the time is cleared and can only be restored by closing that tab and reopening it.

Reproduction Steps:
When a window is loading if you place the cursor near the top of the window (approx. where the horizontal ruler top border line is) it will turn into the resize window cursor. Then you click and the window is cleared (once the window is loaded it seems the bug goes away). As you can see in the after screenshot I was able to clear all my active windows by forcing a tab to reload then clicking once my cursor turned to the resize cursor and was in the correct position.

Here are some screenshots:
Before.
After.

And of course the blacked out parts aren't part of the bug. That's just me being paranoid.