Lightroom Classic: Watermark omitted from embedded thumbnails of exported JPEGs

  • 3
  • Problem
  • Updated 2 months ago
  • Solved
  • (Edited)
When you export a JPEG with a watermark, the thumbnail embedded in the JPEG doesn't contain the watermark. This causes the Windows 8.1 File Explorer to show thumbnails of the exported pics without a watermark, confusing users who are checking to ensure their pics were properly marked. (It appears that the OS X 10.10 Finder doesn't use the embedded thumbnails, so watermarks show up in Finder thumbnails.)To reproduce, export a JPEG with a watermark, using these export options: Image Format: JPEG, Quality: 60, Include: All Metadata, Watermark with PNG watermark. Open Windows 8.1 File Explorer on the containing folder and do View > Extra Large Icons to view the folder's files as thumbnails. Note that the thumbnail of the exported pic doesn't show a watermark. Use Exiftool to extract the embedded thumbnail:
exiftool -b -thumbnailimage myfile.jpg > thumbnail.jpg
The extracted "thumbnail.jpg" is missing the watermark. Setting Limit File Size To: 100,000K (100 MB) avoids embedding a thumbnail and thus avoids this problem. (Julie Kmoch pointed out that setting a limit uses a different code path in LR.)See this thread for a user's report: Some but not all of the problems reported in this thread are possibly caused by this bug: on LR CC 2015.1 / Windows 8.1.
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John R. Ellis, Champion

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Posted 4 years ago

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Melissa Rios, Lightroom Support Product Manager

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Official Response
Hi all,

This issue should be fixed in today's Lightroom Classic CC 7.2 version. Please update your application and let us know if you still see this issue!

Lightroom Classic CC 7.2 is now available!