The latest version of OpenMx 1.2 is available for download. OpenMx 1.2.1 contains a bug fix and several improved error messages described below. For more information on OpenMx 1.2 features, see here. Use the installation command in an R terminal source('https://openmx.ssri.psu.edu/getOpenMx.R').
bug fix for interaction of matrix transpose and square bracket substitutions
renaming mxLISRELObjective() to imxLISRELObjective(), LISREL objective function is not yet implemented.
improved error messages when a free parameter has multiple lbounds/ubounds
improved error messages when passing strings into mxModel()