OSNews has collected some tidbits Wine developers discovered about OS X 10.5. Apple may be working on its own, new, OS-native Win32 compatibility layer, and keeping it quiet for now. Out-of-the-box support for running Windows apps would be a killer feature in OS X, and the prospect should certainly scare VMWare, Parallels, and Innotek’s VirtualBox. If it’s true, we probably won’t hear about it officially until Apple unveils a finished, polished product.

It’s almost pointless to mention the other company that should be scared by this prospect.

Update (2007-12-02): Looks like this was one of the rumors around WWDC 2007.