- (Fixed) Backward incompatible change in ``ruamel.yaml``.
1.6.5
------------------
- (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).
1.6.2
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- (Added) Support for Python 3.9. - (Fixed) Remove deprecated import from ``collections`` (`101 <https://github.com/AlexandreDecan/sismic/pull/101>`__). - (Fixed) Remove deprecated ``threading.isAlive`` used in ``sismic.runner.AsyncRunner``.
1.6.1
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- (Fixed) Remove dependency to ``typing`` since it is no longer required for Python 3.5 and prevents the installation of Sismic.