This is a Message Board Post that is gatewayed to this mailing list. Author: rworthington Surnames: Classification: queries Message Board URL: http://boards.rootsweb.com/topics.software.ftmmac/150.2/mb.ashx Message Board Post: Richard, Is Mountain Lion officially available? If not, they you MAY have issues until the developers have the final version and are able to release any updates as required. The is the normal practice of the folks at Ancestry.com. At least the way it has been in the past and I don't expect them to change now. The official requirements Knowledge Base stops at OS X 10.7. Russ Important Note: The author of this message may not be subscribed to this list. If you would like to reply to them, please click on the Message Board URL link above and respond on the board.