Is it expected for bookings and shipments history to get purged when outside the history start date?

Summary:

Once a weekly period is past the history start in plan options, the values for bookings and shipments history no longer show. For example, we had shipments history showing in the plan for item X in January 2021. Now that period is outside of the 108 Historical Buckets (in weeks) we have defined for the plan's forecast profile and the history does not show.

Is this expected behavior? Although these periods aren't being considered by the forecast engine, it is still beneficial for these values to stay in the plan so planners can reference them.

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