Found that the calendar does not use privacy settings. It still shows birthday details on a person that is living and set to private.
This works fine for me. If I pick a day, I see only births >110 years ago and all deaths.
Fixed in SVN
This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 100 days (the time period specified by
the administrator of this Tracker).