- Fix #32 : Never ignore the value passed to _serialize. Notably, this fixes the serialization of lists of unions, such as
List(Union([Int(), String()]))
- On serialization, :class:`marshmallow_union.ExceptionGroup` is raised if all candidate fields fail. #24
- Override the underscore-prefixed methods instead of the plain ones #22
- Use Towncrier for changelog. #18
- First release on PyPI.