The upcoming release of Mac OS 10.10.3 contains changes that will make Reason 7 stop working on some Mac systems. In response, we have released a free update to fix the situation. This update also comes with a few other fixes and improvements and is an essential update for all Reason 7 owners on Mac OS X.
To download, go here: http://www.propellerheads.se/download/reason71
Changes in this update: