I have a feature request for the advanced search / filters:
"start time" = today should also include the "overdue" items (like in Focus area "Today"). Currently I have no possibility to search for tasks with start date before today. Maybe allowing negative numbers in "days from now" option would be sufficient (e.g. -5 shows all tasks with start date in the last 5 days).
Why I need this? Because I use tags to separate work from private tasks, and would like to have a filter showing me all tasks planned for today (or leftover tasks from yesterday), separated by "work" and "private". These would then go in two different "box widgets" in android, and everything is neatly separated.