Another quick note just in case anyone is searching for PNG EXIF information in DigiKam. I’ve just found that officially, PNG does not support EXIF data, google it. (Another waste of time). I’ve found that most of the time, it seems to work. I’m not sure if this is just an internal DigiKam thing, since sometimes, no matter what I do, the EXIF data does not get saved in the PNG.
So…, once again I am back to just keeping the RAW’s and making jpegs, just to keep the EXIF info intact. What a pain.