How the metadata change by Lightroom and another application?

I often get the message "the metadata for this photo has been changed by Lightroom and another application. Lightroom import settings from disk or replace drive with the catalog settings? "on the images in my catalog. I only use Lightroom to organize, add keywords, basic settings, etc.. On occasions, I take a picture in Photoshop to work more, it is exported in a TIFF or PSD file and the original stays in the catalog LR blank any other thing I could do to the image.

I have two choices with this message: settings to use Lightroom, OR crush them to disk. The first time it has scared me, as I had no idea where these changes were and why the disk file was something different that lightroom catalog. I have all my metadata stored in XMP files. But I took the chance and said: replace the LR settings and didn't change anything on the sliders or the displayed image. I then tried a little saying 'Keep the LR settings', and again, I didn't see any visible signs of changes. This leads me to believe that they are NOT changed but things LR, they are somehow. But I do not see it, I want it to go away unless there really changes happening outside of LR (as if I went to the bridge or something...)

Any ideas why this message? I just discovered approximately 100 images in a collection of images, I sent to the Agency in stock three years ago and have not done something with them outside LR since.

Thanks for any help you can give.

Users have complained for years about the fake notifications of metadata has changed.  If you are convinced that you do not change the file itself outside LR, then choosing settings Overwrite will rewrite the metadata in the file with the metadata for catalogue and (usually) to make the fake notification disappear.

Unfortunately, LR does not tell you the metadata fields have been changed, so that users are left flying blind.  In my opinion, Rob Cole had a plugin that will tell you the metadata for the differences between the catalog and the disk file, but its Web site has been down for a couple of weeks now.

ManiacJoe: My guess is that Photoshop updates some fields of EXIF data in the raw, for example the "edited with the software" file field. Given that Lightroom has probably already established in this field, it gives you a warning that something has changed.

Interesting hypothesis.  I just tested with LR 5.7.1, Photoshop CC 2014, OS X 10.10 and could not reproduce the problem.  I have exported a TIFF file to a raw file that is catalogued in the same folder as the raw, TIFF edition and changed some of its metadata in Photoshop, and saved.  LR didn't report a notification of change-a metadata.

In general, I'd be surprised if you changed x.tif in PS, it would change all the metadata in x.cr2 or x.xmp (moderately).

Tags: Photoshop Lightroom

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