Camera RAW version and Photoshop DNG Compatability

Camera Raw 2.4 and later: The DNG file will be readable by Camera Raw 2.4 (Photoshop CS) and later, and Lightroom 1.0 and later

Camera Raw 4.1 and later: The DNG file will be readable by Camera Raw 4.1 (Photoshop CS3) and later, and Lightroom 1.1 and later. The DNG file will often be readable by earlier versions, depending on the camera model.

Camera Raw 4.6 and later: The DNG file will be readable by Camera Raw 4.6 (Photoshop CS3) and later, and Lightroom 2.1 and later. The DNG file will often be readable by earlier versions, depending on the camera model.

Camera Raw 5.4 and later: The DNG file will be readable by Camera Raw 5.4 (Photoshop CS4) and later, and Lightroom 2.4 and later. The DNG file will often be readable by earlier versions, depending on the camera model.

Camera Raw 6.6 and later: The DNG file will be readable by Camera Raw 6.6 (Photoshop CS5) and later, and Lightroom 3.6 and later. The DNG file will often be readable by earlier versions, depending on the camera model.

Camera Raw 7.1 and later: The DNG file will be readable by Camera Raw 7.1 (Photoshop CS6) and later, and Lightroom 4.1 and later. The DNG file will often be readable by earlier versions, depending on the camera model.

Running DNG Converter on older Mac OSs:

The last version of DNG converter that is compatible with Mac OS X 10.9 is DNG Converter 9.6.1 .  Newer versions of DNG converter require OS X 10.10 or newer