New iPhone SDK with iPad support coming today, 100% compatibility with iPhone apps

Another year, another iPhone OS upgrade to get excited about. They’re not saying much about it just yet, but Apple has just announced that the new iPhone SDK (complete with support for the just announced iPad tablet) will be available today.

As partially predicted by the rumor mill, iPhone applications will run on the iPad. They won’t, however, run in little floating windows, as early faked leaks assumed. Instead, they will run in “blackboxed” mode at their standard resolution, or in a simulated fullscreen mode by doubling the pixels. Everything developers (and users) have come to know and love from the iPhone — from multi-touch gestures to accelerometer support — are fully supported in the iPad.

Developers (or anyone just dying to play with the included iPad simulator) can look for it in the usual spot (