Added
Users can now freeze model components when they load them.
A new `ScalesLogger` callback is available to log per-element scaling factors.
A new, general `Loss` base class. The existing `Loss` class has now been renamed to `PropertyLoss`, and inherits from the new base class.
Changed
Fix a bug in the `analysis.parity_plot` function.
Fixed a bug in the `OffsetLogger` callback.