.. _0.25.1_notes:

============================
SimPEG v0.25.1 Release Notes
============================

February 12th, 2026

.. contents:: Highlights
    :depth: 3

Updates
=======

In this patch release we included a few bugfixes:

- allow complex mu for forward time-domain em1d by `@jcapriot <https://github.com/jcapriot>`__ in
  https://github.com/simpeg/simpeg/pull/1739
- Relaxes LogisticSigmoidMap bound restrictions by `@jcapriot <https://github.com/jcapriot>`__ in
  https://github.com/simpeg/simpeg/pull/1741
- Temporary patch GMMs to be compatible with sklearn 1.8.0 by
  `@santisoler <https://github.com/santisoler>`__ in https://github.com/simpeg/simpeg/pull/1742
- Fix bug in apparent conductivity by `@dccowan <https://github.com/dccowan>`__ in
  https://github.com/simpeg/simpeg/pull/1736
- Fix bug in IP effects on EM1D simulations by `@GrindingTheophile <https://github.com/GrindingTheophile>`__ in
  https://github.com/simpeg/simpeg/pull/1729
- Hide ``BreakingChangeWarning`` from ``get_indices_block`` by
  `@santisoler <https://github.com/santisoler>`__ in https://github.com/simpeg/simpeg/pull/1746
- Fix bug in VRM effects on EM1D simulations by `@santisoler <https://github.com/santisoler>`__ in
  https://github.com/simpeg/simpeg/pull/1748
- Fix for issue #1712 by `@TomSHudsonFST <https://github.com/TomSHudsonFST>`__ in
  https://github.com/simpeg/simpeg/pull/1738

And some improvements to the documentation:

- Fix argument name in ``UpdateSensitivityWeights`` docs by `@santisoler <https://github.com/santisoler>`__
  in https://github.com/simpeg/simpeg/pull/1737
- Improve docs of GMM classes by `@santisoler <https://github.com/santisoler>`__ in
  https://github.com/simpeg/simpeg/pull/1743
- Improve docs of ``Survey.drape_electrodes_on_topography`` by
  `@santisoler <https://github.com/santisoler>`__ in https://github.com/simpeg/simpeg/pull/1749


Contributors
============

This is a combination of contributors and reviewers who have made contributions
towards this release (in no particular order):

* `@dccowan <https://github.com/dccowan>`__
* `@GrindingTheophile <https://github.com/GrindingTheophile>`__
* `@jcapriot <https://github.com/jcapriot>`__
* `@santisoler <https://github.com/santisoler>`__
* `@TomSHudsonFST <https://github.com/TomSHudsonFST>`__

We would like to highlight the work made by new contributors:

- `@GrindingTheophile <https://github.com/GrindingTheophile>`__ made their first contribution in
  https://github.com/simpeg/simpeg/pull/1729
- `@TomSHudsonFST <https://github.com/TomSHudsonFST>`__ made their first contribution in
  https://github.com/simpeg/simpeg/pull/1738


Pull Requests
=============

- Fix argument name in ``UpdateSensitivityWeights`` docs by `@santisoler <https://github.com/santisoler>`__
  in https://github.com/simpeg/simpeg/pull/1737
- allow complex mu for forward time-domain em1d by `@jcapriot <https://github.com/jcapriot>`__ in
  https://github.com/simpeg/simpeg/pull/1739
- Relaxes LogisticSigmoidMap bound restrictions by `@jcapriot <https://github.com/jcapriot>`__ in
  https://github.com/simpeg/simpeg/pull/1741
- Temporary patch GMMs to be compatible with sklearn 1.8.0 by
  `@santisoler <https://github.com/santisoler>`__ in https://github.com/simpeg/simpeg/pull/1742
- Fix bug in apparent conductivity by `@dccowan <https://github.com/dccowan>`__ in
  https://github.com/simpeg/simpeg/pull/1736
- Improve docs of GMM classes by `@santisoler <https://github.com/santisoler>`__ in
  https://github.com/simpeg/simpeg/pull/1743
- Fix bug in IP effects on EM1D simulations by `@GrindingTheophile <https://github.com/GrindingTheophile>`__ in
  https://github.com/simpeg/simpeg/pull/1729
- Hide ``BreakingChangeWarning`` from ``get_indices_block`` by
  `@santisoler <https://github.com/santisoler>`__ in https://github.com/simpeg/simpeg/pull/1746
- Fix bug in VRM effects on EM1D simulations by `@santisoler <https://github.com/santisoler>`__ in
  https://github.com/simpeg/simpeg/pull/1748
- Fix for issue #1712 by `@TomSHudsonFST <https://github.com/TomSHudsonFST>`__ in
  https://github.com/simpeg/simpeg/pull/1738
- Improve docs of ``Survey.drape_electrodes_on_topography`` by
  `@santisoler <https://github.com/santisoler>`__ in https://github.com/simpeg/simpeg/pull/1749