http://blogs.adobe.com/creativecloud/an-update-creative-cloud-and-support-for-mac-os-x/
We’re hard at work on the next major release of Creative Cloud, and wanted to share some information on updated operating system requirements for members using Mac OS X.
In order to take advantage of the latest operating system features and technologies, the next major release of Creative Cloud will require Mac OS X 10.9 or higher.
If you’re running an older version of Mac OS X, such as 10.7 or 10.8, you can continue to run and install current and previous versions of the Creative Cloud applications, but will not be able to install or run the next major release of the Creative Cloud desktop applications until you upgrade to a supported version of OS X. Apple provides a free update to the latest version of OS X (10.10).
Creative Cloud Desktop, which manages application installs, will continue to be supported on OS X 10.7 and above.
In addition, the next major release of Lightroom will be supported on OS X 10.8 and above.
Focusing our efforts on more modern versions of Mac OS X allows us to concentrate on developing the features and functionality most requested by members.
