Don't hold your breath for the ZFS filesystem to appear in any future Snow Leopard updates. A message yesterday on the project's homepage very clearly acknowledges that development has stopped completely.
The conversation about Snow Leopard's compatibility with older hardware has been dominated by complaints that it won't support PowerPC—something we've all known for months. But Snow Leopard will have some mixed implications for more recent hardware, too.
As unlikely as the rumor is that OS X 10.6 is going to debut at WWDC next week, both Ars Technica and TUAW have independently verified from their sources that the next version of the OS could be coming as soon as Macworld 2009. Ars also says that the code name is Snow Leopard, which on the surface latches on weirdly…