Lightroom: Bug in metadata handling when files edited externally.

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  • Updated 8 years ago
Lightroom is losing metadata in the CATALOG when file edited externally, BEFORE presenting the metadata conflict flag.

I've been able to reproduce this error many times, and yet it often works correctly too. - Don't yet know how to reproduce problem behavior consistently, or get it to work correctly consistently.

To reproduce: add a rating to a tif file in Lightroom, then re-save the tif using an external program (e.g. NX2).

- What should happen: Lightroom sees changed tif and presents a metadata conflict flag, but does not alter the rating assigned by the user (stored in the catalog) - presumably it shouldn't alter any metadata until the user chooses how to handle metadata conflict.
- What happens sometimes: exactly what should happen (see above).
- What happens other times: Lightroom tosses the rating assigned by the user, then presents the metadata conflict flag - at that point, its too late: metadata has already been forever lost.

This seems to me reminiscent of the orientation bug: Simply saving a NEF in another program results in Lightroom changing the orientation in the catalog, which has not been fixed @v3.5RC.

Lightroom version: 3.5 RC [769362]
Operating system: Windows 7 Ultimate Edition
Version: 6.1 [7601]
Application architecture: x64
System architecture: x64
Physical processor count: 4
Processor speed: 3.4 GHz
Built-in memory: 7934.1 MB
Real memory available to Lightroom: 7934.1 MB
Real memory used by Lightroom: 1579.4 MB (19.9%)
Virtual memory used by Lightroom: 1714.9 MB
Memory cache size: 1287.4 MB
System DPI setting: 96 DPI
Desktop composition enabled: Yes
Displays: 1) 1920x1200, 2) 1920x1200
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Rob Cole

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Posted 8 years ago

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Benjamin Warde, Employee

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Hi Rob,

Are you able to reproduce this problem if all of the applications involved are Adobe products? For example, if you are able to reproduce the problem when saving the TIF in Photoshop, as opposed to NX2?

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Rob Cole

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I haven't been able to reproduce the issue with Photoshop.