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2.3.0b1

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@SGeeversAtVortech SGeeversAtVortech released this 04 Oct 22:45
· 322 commits to master since this release

This marks the feature freeze of the 2.3 branch. Below is a short overview of what has changes with respect to 2.2:

  • Semi-bugs/features:
    • scale_by_problem_size for path goals now only uses number of active time steps.
    • Much improved scaling of initial derivatives.
    • Improve branch allocation of ControlTreeMixin.
    • Fix inconsistencies in internal API w.r.t. what methods can return symbolic values.
  • Improved checks:
    • Sanity checks on goals, e.g. function ranges. Some models may fail the checks now, but if they do the goal in question did not make much sense anyway.
  • New features:
    • Vector goals (mostly a performance improvement)
    • Optional more generic/optimal way of translating goals from current priority to the next. See keep_soft_constraints option added in commit f6eb00d.
    • Can now provide a custom (initial) seed to SimulationProblem.
    • Allow extra variables to appear in path expressions
  • New examples, in particular showing the use (and strength) of using HomotopyMixin for channel flow.
  • Many, many small optimizations and refactorings for performance reasons. Especially useful for large models with many variables.