Adobe has released Camera Raw version 5.2 for CS4, with additional camera support (including the Canon 5D Mark II) and several updates to the ACR processing toolset. ACR 5.2 is not compatible with Photoshop versions earlier than CS4.

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DNG Converter has also been updated to 5.2. Lightroom will be updated to version 2.2 in December to coincide with the new additions.