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Added release notes for 3.31.0 #3138

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merged 3 commits into from Mar 15, 2024
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@robfalck robfalck commented Mar 6, 2024

Summary

Added release notes for upcoming 3.31.0 release.

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@robfalck robfalck marked this pull request as draft March 6, 2024 13:41
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coveralls commented Mar 6, 2024

Coverage Status

coverage: 89.788% (-0.1%) from 89.907%
when pulling ff19683 on robfalck:rel_notes_3_31_0
into 4572c1f on OpenMDAO:master.


- Renamed `list_problem_vars` to `list_driver_vars` [#3132](https://github.com/OpenMDAO/OpenMDAO/pull/3132)

## Backwards Incompatible API Changes
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@swryan swryan Mar 7, 2024

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Per @naylor-b, after PR #3113, the jacobian as returned by compute_totals is now keyed with the 'user facing' names given to the design variabless and responses, rather than the absolute names that were used previously.

This should be noted as a backwards incompatible API change.

@robfalck robfalck marked this pull request as ready for review March 14, 2024 16:13
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see comment regarding PR #3113

- Renamed `list_problem_vars` to `list_driver_vars` [#3132](https://github.com/OpenMDAO/OpenMDAO/pull/3132)

## Backwards Incompatible API Changes

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The automatic determination of derivative 'mode' is now done separately for the driver vs. a direct call to compute_totals or check_totals with a set of 'of' and 'wrt' variables that differ from the driver responses and design variables. This can modify the keys in the dict return value of check_totals, where for example the dict used to contain a 'J_fwd' key because it ran in fwd mode, it might now contain a 'J_rev' key instead because the best derivative mode was determined to be 'rev' based on the relative sizes of the 'of' and 'wrt' variables passed to check_totals.

@swryan swryan merged commit c852e1f into OpenMDAO:master Mar 15, 2024
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4 participants