AMD has released the new AMD Catalyst 13.30 RC3 Linux video driver for the Linux platforms, featuring only support for a couple of new pieces of hardware.
Unlike other AMD Catalyst updates that have been released recently, the latest one doesn't have any specific fixes or changes, not to mention any new features.
AMD Catalyst 13.30 RC3 Linux video driver features official support for AMD A10-7850K Desktop APU with AMD Radeon R7 Series graphics and AMD A10-7700K Desktop APU with AMD Radeon R5 Series graphics.
Remember that this is a development version and it should NOT be installed on production machines. It is intended for testing purposes only.