Thomas_L's profile

12 Messages

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164 Points

Mon, Dec 28, 2020 5:02 PM

Closed

Under consideration

Lightroom Classic: - creating slideshow extremely slow

If I import  450 jpeg files (10-20 MB) and then create slideshow it takes about 3-4 minutes until the slideshow starts. If I then export these fotos as DNGs (10-20 MB) the creation of the same slideshow takes 2 seconds. In the former version of Lightroom Classic I had no problems with the creation of a slideshow (regardless the format jpeg, raw, DNG). I think a bug has entered the new version of Lightroom Classic.

This conversation has been merged. Please refer the main conversation:

Lightroom Classic: Revert Slideshow Module to previous method of generating previews

Adobe Administrator

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10.9K Messages

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143.5K Points

1 y ago

I've replicated your results and have a suspicion on the reason but I've forwarded to the Developers for comment. Please stand by. 

12 Messages

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164 Points

Thanks a lot for your support

12 Messages

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164 Points

@Rikk Hi Rikk, did you already get some response from the developers?

Adobe Administrator

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10.9K Messages

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143.5K Points

I pinged them again and they responded with more information. 

The current behavior is as designed. The preview generation now happens every time, though it should be quick if all previews are already present. A DNG contains a rendered preview that is leveraged in the Slideshow creation.  That is what makes it faster.  

We are looking to add some sort of option for users to be able to control this better in the future

Adobe Photography Products

Quality Engineering - Customer Advocacy