ssprengel wrote:
How are you checking the output-file’s colorspace? If you are using Photoshop, perhaps you have Adobe RGB set as the working colorspace and then don’t have warn-mismatched-profiles enabled, and so PS is converting from the file’s embedded colorspace to the working colorspace without your knowledge.
Right, the item to check is that the policy is NOT set to Convert but rather Preserve.
The OP may want to view this: