When HDR is enabled for Library Module, display is pixelated

[tmpotter55]

O/S: macOS 14.5 (23F79)

13.5 Release

Build [202408062022-6258095b]

I've enabled HDR in the Library module. When viewing photos in the Library module, though, they are pixelated (maybe 1:4?), as if there were no 1:1 previews built? In the Develop module, the resolution is fine, and if I disable HDR in Library mode, the Library Module displays 1:1 as expected. Re-enabling HDR mode returns the Library view to the pixelated image. There is no "Loading..." indicator, and I've waited quite a while, so I don't think it is a matter of the screen just not being loaded yet. 

I tried building 1:1 previews with HDR enabled, but LR claims that they are already built. This seems pretty universal for images in my library.

[Moved from ‘Bugs’ to ‘Discussions’ by moderator, according to forum rules. A ‘bug’ is not just another word for any problem with software!]

[JohanElzenga]

What happens if you first discard the 1:1 previews and then rebuild them? Did you make any edits in the develop module? If you just enable HDR view and made no edits, then there may be no reason for Lightroom to rebuild existing 1:1 previews.

[tmpotter55]

No difference -- it's as if Library Module is just choosing not to load the 1:1 preview if HDR is enabled. I was not sure if there was a mode for limiting Library to lower resolution previews for HDR mode (for perf?) but I've not  seen that anywhere.

[JohanElzenga]

Well, I just tried on my MacBook Pro M1 Max and I cannot reproduce what you see. If I enable HDR previews in Library in the preferences and use HDR on an image, then the preview in the Library module (thumbnail, or loupe view, or 1:1 zoomed in) looks just as spectacular in Library as it does in Develop and just as sharp.

[tmpotter55]

Oh, hey! that was a great hint, actually. It turns out that my problem is when I'm viewing a non-HDR image -- if I mark it as HDR in the Develop Panel, and then go back to Library it shows up 1:1 just like I'd expect. Then I go back to Develop to disable HDR, and when I go back to Preview, it is pixelated.

[JohanElzenga]

I would have to check that again (and my computer is turned off right now), but I don't think I saw that either. I turned off HDR again after testing it, and I did not notice anything unusual with the preview in the Library.

[tmpotter55]

The issue was when:

  * Library HDR  was turned on, and

  * the _image_ did not have HDR enabled in the Develop panel (attempting to attach an image of the "button")

thanks,

--tmp