This OS X installer contains the following version:
Driver - ArcSAS-V2.0.3-10.6.20120628 (for Mountain Lion)
Driver - ArcSAS-V2.0.3-10.6.10.7.20120625 (for Lion and Snow Leopard)
Driver - ArcSAS-V2.0.3-.10.4.10.5.20120626 (for Leopard and Tiger)
CLI - V1.10.0.20120815

This driver version has supported CLI and API code.