Currently, the schedule filter present above your unscheduled work resets itself every time the page is refreshed.
That causes extra work if there are parking lots or other schedules that you do not wish to ever display -- eg long term prioritized work, or schedule templates. The user has to always re-filter the page in order to work.
Thank you for the idea. Given the low volume of support for this idea, we do not have plans to make updates in this area at this time.