Release Notes: This release increases the project's portability. There are new command-line options. Deprecated keywords were removed. The UNPACK pragma was added. Support for large files was added. The documentation was improved. There were minor API changes. .NET interoperability was improved. There is initial support for arrows syntax and the x86-64 (AMD 64bit) platform. The configure script is now built with autoreconf. GHC now requires the ALEX lexical analyser to compile.