DOC add missing bugfix to what's new
@@ -212,6 +212,10 @@ Bug fixes
left `coef_` as a list, rather than an ndarray.
:issue:`8160` by :user:`CJ Carey <perimosocordiae>`.
+ - Fix a bug in cases where `numpy.cumsum` may be numerically unstable,
+ raising an exception if instability is identified. :issue:`7376` and
+ :issue:`7331` by `Joel Nothman`_ and :user:`yangarbiter`.
+
API changes summary
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