This release added a stable port for SPARC 32/64-bit and build support for Solaris/SunPro. Meta Assembly Format was introduced for call kernels with support for Microsoft, GNU, Apple, and Sun syntax.
Bugs with Win64/x64 (critical), CygWin/x86, AMD64 System-V, and Haiku were fixed. The API was updated for ellipsis calls and bugfixes for PowerPC. A new build system, zero-configure, and hybrid {BSD,GNU,SUN} makefiles were added. Build support was added for mingw32-w64 and MINIX. Experimental support for passing structs and invoke syscalls was added. There were many minor improvements for build systems and test suites.