* A class method to construct a `FluidPropertyDiagram` from the `to_json` data export is available.
3.1
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* The `draw_isolines` method is now compatible with matplotlib darkmode style.
3.0
----------------------
* You can export the underlying data of your diagram using the `to_json` method.
2.0
-------------------------
* The API changed in a way, that you have to create the figure and axes externally using matplotlib. These are then passed to the `draw_isolines` method. See the README or in the examples for the new API version.
1.6
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* Remove upper Python version limit.
1.5
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* Update documentation on pressure units. * Improve error message for not available units.