# Releases

## chessIO 0.5.0.0

- Split SAN parsing code into a separate module.
- Adapt to VisualStream change in Megaparsec >= 9.
- Use Maybe to indicate that bestmove in UCI can be empty.
- instance Storable QuadBitboard

## chessIO 0.4.0.0

- Support for letting UCI engines ponder.
- Avoid a branch to further speed up move generation.