User changes
- Python 3.10 officially supported, with wheels.
- Support subtraction on histograms #636
- Integer histograms are now signed #636
Bug fixes
- Support custom setters on AxesTuple subclasses. #627
- Faster picking if slices are not also used #645 or if they are #648 (1000x or more in some cases)
- Throw an error when an AxesTuple setter is the wrong length (inspired by zip strict in Python 3.10) #627
- Fix error thrown on comparison with axis and non-axis object #631
- Static typing no longer thinks
storage=
is required #604