While using the calendar date range in a filter, you should be able to type in the to and from date. The old style filters allowed that option. We recently switched to the "new" style (I say "new" ...
cjakerle​ I spoke with our PM team. The new filters do not support manual input for calendar at this time. We will be addressing feedback on the new filters in the upcoming releases. In Q4 we are focusing on the list filters, and the calendar issues are preliminary planned to be worked on in Q1.