March 28, 2019. Release 18.0.0. Contains a few new modeling capabilities and documentation changes summarized in the Revision History. A major change in the code structure and build process: the free GNU gfortran may be used to re-compile the source code on Linux and MacOS. The WARP3D distribution contains the now free files needed from the Intel MKL library (including the Pardiso solver). Intel Fortran can still be used on Windows, Linux, MacOS to gain improved performance. Intel fortran remains required for Windows at present.
September 2018. Release 17.9.1. This release has the major new capability to compute J-integral values in the presence of complex residual strain-stress fields. Numerous other smaller improvements have been included. See Revision History for the complete list including updates to the manual.