TiPb is getting reports that Apple's iPhone Developer Connection site is down for update, although it looks like some are logging in fine, and others get the update warning at first, but can log in fine later.

Whether this is just some form of maintenance, or something is actually being changed, is uncertain. We haven't seen iPhone 3.1 Beta 4 yet, even though Beta 3 was released two weeks and a day ago, and the site hasn't been taken offline for previous betas, so the obvious guess may not be so obvious after all...

More if/as this develops. (Pun only partially intended.)