Amid all of the new features highlighted Monday in Snow Leopard, iPhone 3.0 and Safari 4.0 were a few unpublicized retractions: Safari 4.0 has lost its "tabs on top" and returned to the old conventional tabs of the previous 3.0 version, while all mention of full ZFS support in Snow Leopard Server has been scrubbed.

Apple backtracks on Safari 4.0 tabs on top, ZFS