I also confirm this bug. Other ways to reproduce this bug and a video are included in duplicate bug 235900 .
Also a important note which could explain why some people gets this bug while other people don't : This bug is not reproducible with all screen resolutions. Ex. It's not possible to reproduce it with 1680x1050, but it can be reproduced with 1280x1024.
I also confirm this bug. Other ways to reproduce this bug and a video are included in duplicate bug 235900 .
Also a important note which could explain why some people gets this bug while other people don't : This bug is not reproducible with all screen resolutions. Ex. It's not possible to reproduce it with 1680x1050, but it can be reproduced with 1280x1024.