- Update Onix 3 to Revision 8 and Code List issue 54
- Python 3.6 and 3.7 compatibility
- Update Onix 3 to Revision 6 and Code List issue 45
- Update Onix 3 to Code List issue 34
- Remove build artifacts from source distribution
- Fix issue with windows console output encoding
- Update windows build to pyinstaller 3.1
- Update ONIX 3.0 Schemas to Revision 3
- Add support for RELAX NG and custom schema validations
- Added validator name to short message output
- Fix ExtentType in custom validation profile
- Fix false alarm with multiple Price elements in custom profile
- Inital support for custom validation profiles
- Custom Google Play Books onix 3.0 validation profile
- Added Python 3.5 testing / support
- Update to ONIX to Code List Issue 32 / 2016-01-24
- More extensive documentation
- Added CLI-support for fast directory traversal validation
- Secured XML-Parsing via defusedxml
- Catch basic XML syntax errors
- Windows standalone binary builds
- First release on PyPI.