Solaris 11 with Sun Studio 12: the libraries built under Solaris 10 using Sun Studio 11 have been verified as compatible. The following Solaris 10 ports can be used on Solaris 11: ultrasparc32_10_11, ultrasparc64_10_11, x86_solaris10_11, and x64_solaris10_11.

Microsoft Visual Studio 2012: the two ports (x86_.net2012_11.0 and x64_.net2012_11.0) have been incorporated into this release.

Red Hat 6: the ports built using Red Hat 5 (x86_rhel5.0_4.1 and x64_rhel5.0_4.1) have been verified as compatible with Red Hat 6.