# Changelog for math-programming-glpk
## [0.4.0] -- 5 July 2020
### Changed
- Updated to the `math-programming-0.4.0` API.
### Fixed
- How variable bounds are set.
Free variables were being constrained to equal zero; they are now
correctly set as free variables.
### Added
- The `writeFormulation` function.
This replaces the `writeFormulation` class method.
### Removed
- The `writeFormulation` class method.
This is consistent with the `math-programming-0.4.0` API.
## [0.3.0] -- 18 June 2020
Initial release.