FlightGear/CVS snapshot package as of Sep-07-2009 has been released. The changes from the last snapshot (as of Jul-08-2009) are:

New Features

• JSBSim updates as of 2009/09/05
• Shader effects
• Generic input device support (Advanced Input subsystem) for Linux and Mac OS X
[...]

According to Ashley Hinton's report, FlightGear works on Mac OS X 10.6 (Snow Leopard). Now you can update Mac OS to 10.6 with no problem in terms of running FlightGear on your mac. :-)

Thanks Ashley for your report!

I've released FlightGear 1.9.1-r232, the latest package for FlightGear 1.9.1 (update for GUI Launcher and add-ons, not for simulator itself). I recommend all Mac FG users update the package.

This update contains the following bug-fixes and improvement to the GUI Launcher and add-ons:

Bug fixes from 1.9.1:

• Only mpserver02 was used regardless of a given server name
• Some options did not applied and their default values were used instead
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