---
layout: post
title: Released Cyclone Scheme 0.4
excerpt: Support is now available for bignums and integer overflow.
---

- Added a new bignum type to support exact integers of practically unlimited size.
- As part of the bignum changes, modified the code for exact integer arithmetic to detect overflow.
- Added documentation for the [C API](http://justinethier.github.io/cyclone/c-api/modules.html).