Be sure to read the announcement for version 2.21:
http://ballroomdj.org/forum/viewtopic.php?f=7&t=115
first.
Release notes for 2.21.1:
http://ballroomdj.org/forum/viewtopic.php?f=7&t=116
This release fixes some Mac OS X issues.
Bug Fixes:
- Mac OS X: Fixed fullscreen issues (raffle game, player marquee).
- Fixed date sort to be descending.