Apple just released updates to the iPhone and iPad OS that “fixes” the PDF bug that let jailbreakme.com work.
The updates fix a security vulnerability that was associated with viewing malicious PDF files. It doesn’t appear that there are any fixes to any other issues (i.e., the proximity sensor glitch), but the fix to the PDF exploit insures that the iOS platform remains secure.
Like that wording? Jailbreaking is legal now but Apple still considers it malicious. I suppose they would since it lets you run apps on the iPhone that Steve didn’t approve.
If your iOS 4.01 iPhone or 3.2.1 iPad are jailbroken you don’t want this update just now.