A screenshot is of no use. What would help is a link to your site and a reasonable description of the problem.
I uploaded the screenshot cause I revert the change.
The situation is this :
My blog address is http://www.nehemoth.com the menu layout is as below
http://img251.imageshack.us/img251/1064/menul.png
when I did the upgrade the menu look as below
http://img119.imageshack.us/img119/4189/menulayout.png
Thank you for the answer
I forgot to tell ya that What I want to know that if this is an expected behaviour or a real error?
That’s completely dependant upon the theme. You have quite a few CSS errors on that site which could contribute to the problem.
Thank you.
I will check those errors.
I have a pretty good idea from where they came