# hist2d no longer forces axes limits

Previously, [.Axes.hist2d]{.title-ref} would force the axes x and y
limits to the extents of the histogrammed data, ignoring any other
artists. [.Axes.hist2d]{.title-ref} now behaves similarly to
\`.Axes.imshow\`: axes limits are updated to fit the data, but
autoscaling is not otherwise disabled.