Saurik just released a new update Winterboard So the version that comes 0.9.3210-1 and finally adds support for IOS4. There is a changelog Newspaper But we can finally confirm that the application works with the new IOS4 ! but beware, It seems that this first version is unstable. For some users , it , After installation application, the computer no longer recognizes the device. If you try to install it , let us know through comments if it works or not.