Every time I upgrade I find the same problem. When creating a node the text fields (Title, path alias, Body) take the whole page, sending the sidebar offscreen and messing with the layout of the site, showing a scroll bar on the bottom.
So I spent an hour again to understand how I fixed this problem in the last version and I finally found that the difference is in the drupal.css
The original (4.5.2) drupal.css has: .node-form .form-text { display: block; width: 95%; } .node-form textarea { display: block; width: 95%; }
While my version (that doesn't mess up the layout, at least in firefox) has: .node-form .form-text { display: block; } .node-form textarea { display: block; width: 80%; }
Maybe you should look into this.
-HRose / Abalieno