## MLton 20241230+git20251029+dfsg-5

# Release20041109

This is an archived public release of MLton, version 20041109.

## Changes since the last public release

- New platforms:

  - x86: FreeBSD 5.x, OpenBSD

  - PowerPC: Darwin (MacOSX)

- Support for the ML Basis system, a new mechanism supporting programming in the very large, separate delivery of library sources, and more.

- Support for dynamic libraries.

- Support for ConcurrentML (CML).

- New structures: `Int2`, `Int3`, …​, `Int31` and `Word2`, `Word3`, …​, `Word31`.

- Front-end bug fixes and improvements.

- A new form of profiling with `-profile count`, which can be used to test code coverage.

- A bytecode generator, available via `-codegen bytecode`.

- Representation improvements:

  - Tuples and datatypes are packed to decrease space usage.

  - Ref cells may be unboxed into their containing object.

  - Arrays of tuples may represent the tuples unboxed.

For a complete list of changes and bug fixes since 20040227, see the `changelog`.

## Also see

- Bugs20041109