Iff a task is spread over multiple days, it allocates the time and/or points evenly across days, rather than frontloading into available time. This is frustrating when overlaying projects, as it's hard to prevent people from shown as over capacity.

For example, if a day can have 4 points, and a task has 6, it would make sense for 4 points to be allocated the first day (if available) and 2 the second. Then, an additional task on the second day would fill in the available time.