You can now read about What's New.
Quite a few ZFS changes including Flash Archive support integrated into installer, cache devices, and a bunch of new properties that breakdown space usage by child dataset, snapshot, etc.
Thursday, 8 October 2009
Watch this page Solaris 10 Kernel PatchID Sequence - Patch Corner. It is regularly updated with the Solaris 10 kernel patch IDs as well as the sustaining patch IDs. Solaris 10 Updates 8 and 9 have just been added.