Apple has another go at iOS4.2 launch

Apple has seeded a second gold master of its mobile operating system iOS4.2 to developers reinvigorating expectation that a public release is once again imminent.

The latest GM, build number 8C134, is tagged 4.2.1 but it's not clear if the extra digit will make it onto the final update.

Developers are being told not to re-submit Apps built under 4.2.0 leading us to believe that the latest tweaks to the iDevice OS are minor, and that Apple will roll out the real deal within days, if not hours.

Apple is remaining tight-lipped about the content of the point release, but as we reported earlier, the initial developer release had a major bug which caused the iPad to unexpectedly drop Wi-fi connections.

The refresh brings the iPad into line with the iPhone and iPod Touch and adds new wireless media streaming and printing functionality to the whole family as well as the usual security and performance improvements.

We are also told that users of older iPhones will finally get a fix for the sluggish performance which was forced upon them with the release of iOS4.