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daniellei4510
Community Expert
daniellei4510Community Expert
Community Expert
October 10, 2026
Open for Voting

P: LrC 15.6 Preview does not render for images with specific Content Credentials

Lightroom previews won’t stop “Loading.” And these are minimal-size previews, which I created when this problem started with 1:1 previews after I removed all the files from Lightroom and re-imported them. And, when I attempt to build 1:1 previews, even if I only select one, the progress bar doesn’t move at all or gets stuck. This issue just started up a day or two ago.

 

    Pinned Reply By Sameer K

    Hey all! Thanks for bringing this up, and special kudos to @johnrellis for helping speed this up, and supplying speicfic steps and details.

    I can recreate this consistently, and have shared this with the team for review.


    Thanks!
    Sameer K
    (Type '@' and type my name to mention me when you reply)

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    johnrellis
    johnrellis
    Legend
    October 11, 2026

    Some initial troubleshooting steps:

     

    1. Make a new empty test catalog and import just a few photos. Does the problem occur on that new catalog? 

     

    2. If the problem doesn’t occur with the new catalog, that suggests the problem is with your main catalog. Try deleting its preview cache, as described here;

    https://helpx.adobe.com/ca/lightroom-classic/desktop/kb/lightroom-gives-error-preview-cache.html

     

    3. If this doesn’t help, please do the LR menu command Help > System Info, click the Copy button in the upper right corner, and paste into your reply here, so we can see exactly which versions of hardware and software LR thinks you're running and important LR options that are set.

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    daniellei4510
    Community Expert
    daniellei4510Community ExpertAuthor
    Community Expert
    October 12, 2026

    Thanks. I’ll try the text catalog. I’ve already tried deleting the preview cache and that didn’t help. Here’s the System Info:

    Lightroom Classic version: 15.6 [ 202609251514-f839cde9 ]
    License: Creative Cloud
    Language setting: en-US
    Operating system: Mac OS 27
    Version: 27.2.0 [26B5101f]
    Application architecture: arm64
    Logical processor count: 8
    Processor speed: NA
    SqLite Version: 3.45.1
    Adobe GSDK Version: 1.4.0.213

    Built-in memory: 8,192.0 MB
    Dedicated GPU memory used by Lightroom: 116.3MB / 5,461.3MB (2%)
    Real memory available to Lightroom: 8,192.0 MB
    Real memory used by Lightroom: 403.0 MB (4.9%)
    Virtual memory used by Lightroom: 481,500.9 MB
    Memory cache size: 278.3MB
    Internal Camera Raw version: 18.7 [ 2743 ]
    Maximum thread count used by Camera Raw: 5
    Camera Raw SIMD optimization: SSE2
    Camera Raw virtual memory: 758MB / 4095MB (18%)
    Camera Raw real memory: 765MB / 8192MB (9%)

    Cache1: 
    NT- RAM:0.0MB, VRAM:0.0MB, Combined:0.0MB

    Cache2: 
    m:278.3MB, n:0.0MB

    U-main: 174.0MB

    Standard Preview Size: 2048 pixels
    Displays: 1) 4480x2520, 2) 1920x1080

    Graphics Processor Info: 
    Metal: Apple M3
    Init State: GPU for Image Processing supported by default
    User Preference: Auto
    Enable HDR in Library: OFF
    GPU for Preview Generation: Auto (S3_5)

    Application folder: /Applications/Adobe Lightroom Classic
    Library Path: /Volumes/Photos/Nudes and Portraits and AI/Nudes and Portraits and AI-v13-3.lrcat
    Settings Folder: /Users/danielleighton/Library/Application Support/Adobe/Lightroom

    Installed Plugins: 
    1) AdobeStock
    2) Aperture/iPhoto Importer Plug-in
    3) Flickr
    4) ON1 NoNoise AI 2024
    5) Topaz Photo AI

    Config.lua flags: 


     

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    Califdan2
    Califdan2
    Inspiring
    October 10, 2026

    What module are you in?   This screen shot is showing you a preview (the image) so it is probably the full size image that is being loaded for use in the develop module.  Or, if you are in the Loupe view it may be trying to build a larger preview required to display the image in a larger screen space.  

     

    Verify that the image is not marked as missing.  

     

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    daniellei4510
    Community Expert
    daniellei4510Community ExpertAuthor
    Community Expert
    October 12, 2026

    No, not marked as missing. Even after deleting the preview cache and bringing everything back in, the issue persists.

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