Fresh off the heels of 1.2.1, the latest version of OpenMx 1.2, 1.2.2 is available for download. 1.2.2 contains a bug fix related to PPML transformations in OpenMX. For more information on OpenMx 1.2 features, see here . Use the installation command in an R terminal source('http://openmx.psyc.virginia.edu/getOpenMx.R'). The complete change log since the 1.2.1 release is below.
Release 1.2.2-1986 (March 22, 2012)
* setting default value for mxOption("UsePPML") to "No" until
the feature is adequately tested. Added test enforcing default
value to test suite.