Oh, Android 4.3, why must you tease us so? The new version of Jelly Bean's been making cameos all over the place for a couple months now, so it was only a matter of time until we'd see a build available for download. A working TWRP backup of Android 4.3 just popped up on XDA Developers and Google+ user Jeff Williams recently purchased a Nexus 4 running the new version of Jelly Bean. Some industrious folks over at Android Police were then able to extract a system dump from Jeff's phone (minus radio and bootloader) and confirm that the build is legitimate. Meanwhile, our friend Paul O'Brien of MoDaCo fame is currently testing the TWRP backup. We'll keep you updated as we find out more, but one thing's abundantly clear: it won't be long before Android 4.3 becomes official.