After updating to the last version 1.4.1 I have an error with a display page, the sidebar and the main page have a conflicts, and the main page are displayed after the sidebar …
Does safari have some kind of “safe start”, e.g. startup with a clean slate, no extensions, etc…? Or perhaps try with a new, clean profile. If the problem still persists, the template might not be compatible with safari, else the problem is somewhere in your extensions, cookies, profile.