v0.15.0
=======

A couple minor features added, but mostly addressed outdated docs,
vulnerabilities, and bug fixes.

Updates / New Features
----------------------

Features & Code Updates

* Moved OTF perturber computation to perturb method for OTF perturbers.

* Added and tested ``one_step`` perturber factory

Documentation

* Updated a few links from ``GitLab`` to ``GitHub``.

* Updated Design Principles link to new URL.

Dependencies

* Reduced minimum version of ``scikit-image`` to ``0.20``.

Fixes
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* Added numerous missing guarded imports for ``pybsm`` and ``opencv``.