As every week James? Yes, a new release of the 10.8.4 Beta Build is out of the headquarter of Cupertino and ready for test. I hope the 10.9 is released soon, then we have a lot more things to test 😉

OS X 10.8.4 Beta Build 12E55 Combo Update (SHA1 abd35c0bfc70979e63779c2ff950b9a7ed6a3102)
OS X 10.8.4 Beta Build 12E55 Delta Update (SHA1 cae8683afda8038d85e6058e0839e7a3eb670264)