Remember to list any API changes below in `doc/source/api_changes.txt`.

Version 0.17
------------

* Update RELEASE.txt regarding Azure Pipelines after making changes to
  scikit-image-wheels repo.
* Finalize ``skimage.future.graph`` API.
* Finalize ``skimage.future.manual_segmentation`` API.

Version 0.20
------------

* In ``skimage/feature/peak.py``, remove the `indices` argument and
  the decorator `remove_arg`.
* In ``skimage.measure._find_contours.py``, remove the `deprecate_kwarg`
  decorator from `find_contours`.
* In ``skimage/feature/corner.py``, change `order` default to 'rc' in
  `structure_tensor`.
* In ``skimage/feature/corner.py``, remove the `structure_tensor_eigvals`
  function.
* Remove deprecated qt plugins, i.e. `qt_plugin.py`, `qt_plugin.ini` and
  `skivi.py` in `skimage/io/_plugins`.
* Remove enrirely the folder skimage/scripts containing skivi app.
  Remove `scripts` related lines in MANIFEST.in, .codecov.yml, appveyor.yml,
  setup.py
* Remove viewer app in `skimage/viewer` and remove `./viewer_examples/`.
  Remove `viewer_examples` occurences in `tools/check_sdist.py`

Version 1.0
-----------

* consider removing the argument `coordinates` in
  `skimage.segmentation.active_contour`, which has not effect.
* In ``skimage/morphology/misc.py`` remove the deprecated parameter
  ``in_place`` in remove_small_holes(), remove_small_objects() and
  clear_border(), and update the tests.
* Remove the deprecation warning for `input` kwarg of the `label`
  function in `skimage/measure/_label.py`
* Change the warning about poorly conditioned data to a ValueError within
  `skimage.measure.CircleModel.estimate` and update the tests in `test_circle_model_insufficient_data` accordingly.

Other (2022)
------------
* Remove pillow version related warning for CVE when pillow > 8.1.2 in
  `skimage/io/_plugins/pil_plugin.py` and `skimage/io/collection.py`.

Other (2023)
------------
* When ``scipy`` is set to >= 1.6.0, remove legacy (i.e. non-zoom) code paths in
  ``skimage.transform.resize``.
* When ``scipy`` is set to >= 1.6.0, remove SciPy version checks from
  ``skimage._shared.utils._fix_ndimage_mode``

Other
-----
* Check whether imread wheels are available, then re-enable testing imread
  on macOS. See https://github.com/scikit-image/scikit-image/pull/3898
* When sphinx-gallery>=0.9.0, remove the thumbnail_size in
  doc/source/conf.py as the default value will be comparable (#4801).
* When ``scipy`` is set to >= 1.8.0, remove conditional import of QhullError in
  ``skimage/morphology/convex_hull.py``.
