Native Instruments has conducted initial compatibility tests with pre-release versions of Mac OS X 10.7, and has found an issue that causes the 64-bit versions of NI applications to crash both when used stand-alone and as a plug-in.*
The cause of this issue has been successfully determined, and updates for the affected products are currently in development, with their respective release planned for September or earlier. In the meantime, users should utilize the 32-bit versions of the respective NI applications**, or consider to refrain from updating to Mac OS X 10.7 for the time being.
Native Instruments has observed no additional compatibility issues under Mac OS X 10.7 yet, but will conduct further systematic tests once it has access to the final release version of the operating system. Eventual new information will be provided on this page as it becomes available.
** You can refer to this Knowledge Base article for more information on how to switch between 32-bit and 64-bit application modes under Mac OS X