Release Notes: This release added support for lazy sequences, a seamless integration of lazy evaluation with list manipulation. Threads are supported on the Windows native build. There were various bugfixes and performance improvements.
Release Notes: Various minor feature enhancements and bugfixes were made in this release. New features include Unicode case-mapping support, a utility for atomic execution, a convenient benchmarking utility, and a public API for C code generation routines. The Windows binary installer now comes as an MS installer file, generated by WiX.