The Apple Remote Desktop 3.61 "Build 360A16" beta is required for compatibility with Macs running the upcoming OS X 10.8 Mountain Lion and boasts the same features seen when it was originally released alongside the first developer preview of the new operating system.
Fixed from previous betas are screen control issues with NVIDIA graphics cards and OS X Mountain Lion, as well as reliability improvements when copying a duplicate item to and from a client. Certain tasks are now functional in the new build like "copy to computer," "create client installer," "upgrade client" and "chat," among others.
From the release notes:
Support for IPv6
Apple Remote Desktop supports the IPv6 protocol. You can add computers using an IPv6 address as well as view IPv6 addresses when performing a Get Info on the computer.
New Reporting Attributes
Apple Remote Desktop 3.6 can now report on several new attributes and settings about your Mac and the devices connected to it. Information about the following new items can be viewed when generating a System Overview Report:
? Displays with Thunderbolt
Known issues for the latest beta include a non-functioning "Share Screen" feature for Mountain Lion clients and the appearance of graphical artifacts during multi-observe window cube rotations.