Release Notes: This release hits a major milestone: hex now parses all of xii.tex. There have been many improvements towards that goal, including a (partial) register implementation. Hex also compiles on newer GHC (7.4.1) now.
Release Notes: The most important change is that hex now performs basic math typesetting. Also in this release are improved macro expansion and bugfixes.
Release Notes: This release adds support for multiple fonts and \if handling.
Release Notes: Support for \input, \message, and TeX paragraph breaking. Improvements to the build and test system.
Release Notes: Namespace support and character categories.