- (Fixed) Incorrect visualisation with PlantUML due to a backward incompatible change in their viewer.
1.6.7
------------------
- (Fixed) Minimal version of Python, and related installation instructions.
1.6.6
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- (Fixed) Backward incompatible change in ``ruamel.yaml``.
1.6.5
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- (Fixed) Dropped support for Python 3.5 and 3.6 since they are no longer supported by ``ruamel.yaml`` used internally.
1.6.4
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- (Fixed) Invalid output of ``export_to_plantuml`` if ``statechart_preamble`` is enabled, with plantuml-1.2022.12 (`119 <https://github.com/AlexandreDecan/sismic/issues/119>`__).
1.6.3
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- (Fixed) ``Statechart.remove_state`` no longer resets all initial states and all history states (`110 <https://github.com/AlexandreDecan/sismic/pull/110>`__, Rigó Ernő).