Add deprecation of multistate in whatsnew.rst
@@ -19,6 +19,7 @@ The full release history can be viewed `at the GitHub yank releases page <https:
* Suppress some verbose outputs
* If an asymptotically optimal stage is present in a SAMS simulation, the initial stage is discarded to equilibration and automatic equilibration detection is applied to the asymptotically optimal weight adjustment region only.
* Jupyter notebook reports now show SAMS weight convergence if present
+- The ``yank.multistate`` package was deprecated. In the future, this package will be available in OpenMMTools (`#1146 <https://github.com/choderalab/yank/pull/1146>`_).
0.23.7 Bugfix release
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