Version 1.2.0

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

Developer changes

• Support NumPy 1.21 for static type checking #625
• Use newer Boost 1.77 and Boost.Histogram 1.77+1 #594
• Provide nox support #647