# Version [0.1.2.0](https://github.com/distrap/gcodehs/compare/0.1.2.0...0.1.1.0) (2020-06-17) * Changelog started. Previous release was `0.1.1.0`. * Major rework, only core functionality and types unchanged * Little changes to parser and pretty printer, APIs unchaged * Additions * Canonical representation `Data.GCode.Canon` * Interepreters for both `GCode` and canonical representation * Line output * Tests * Helpers and monad for generating GCode * Pipes now exposed from library via `Data.GCode.Pipes` * `Data.GCode.RS274.Types` module with command decriptions --- `gcodehs` uses [PVP Versioning][1]. [1]: https://pvp.haskell.org