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Dymos 1.15.1

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@robfalck robfalck released this 12 Mar 21:25
· 1 commit to master since this release
1.15.1
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Release Notes for Dymos 1.15.1

March 12, 2026

This is a minor update with some changes to support OpenMDAO's connection graph refactor,
as well as some other bug fixes.

Backwards Incompatible API Changes & Deprecations

None

Enhancements

  • Birkhoff will attempt to build a guess of state rates in set_state_vals if given enough information (states and times).

Bug Fixes

  • Fixed a bug where dymos ignored the units assigned in link_phases. #1224
  • Birkhoff will at least report error during grid refinement now. #1218
  • set_state_vals can be called with (num_state_input_nodes,) + shape set of state values. #1218
  • set_control_vals can be called with (num_control_input_nodes,) + shape set of control values. #1218
  • Birkhoff state defects are now not linear if initial and final state values are not design variables. #1218

Miscellaneous

  • dymos now uses the same INF_BOUND sentinel value as OpenMDAO. #1225
  • Use OpenMDAO pixi environment in dymos testing. #1220
  • Workflow issue #1221
  • Changes needed to work with OpenMDAO connection graph refactor #1222
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