It's being hard to track everything that's happening, but I've published a rewrite of this article to cover it.
http://tidbits.com/article/17655
In short, the first update broke file sharing, so Apple updated that one silently. The 1003 build is what you want; if you have 1002, file sharing authentication may be broken. The automatic update is giving people 1003, but if you already installed the update once, you'll need to do so again to get it.
http://tidbits.com/article/17655
In short, the first update broke file sharing, so Apple updated that one silently. The 1003 build is what you want; if you have 1002, file sharing authentication may be broken. The automatic update is giving people 1003, but if you already installed the update once, you'll need to do so again to get it.