# Changelog
All notable changes to the PDFO project will be documented in this file.

## [0.9] - 2020-04-17
Pre-release of PDFO.

## [1.0] - 2020-05-01
### Added
- Python: Bounds, LinearConstraint and NonlinearConstraint more flexible with None and [].

### Changed
- General: Licence modification, from GNU GPLv3+ to GNU LGPLv3+.
- General: All constraint violation are computed as absolute distances (in 1-norm).
- Python: Make PDFO available on PyPI.
- Python: Test files for PDFO have been added as a subpackage of pdfo.

### Removed
- Python: NumPy set_printoptions.

### Fixed
- Python: ufunc as nonlinear constraint function, defined as a dictionary.