P: Bring back the ability of Enhance to run in the background. (LrC)

@Dance-dance-dance; "Just wasted two days trying to figure out (unsuccessfully) on the June 2025 Denoise. I have work I need to finish - please re-instate the option for the old Denoise"

Please describe in a little more detail the problems you're having. Is that you couldn't figure out how to apply Denoise to a large batch of photos?  Or something else?

@Lukáš33618853kv1y, "1. I make on the 1st image changes, incl. DENOISE.

2. After that I can change amount of DENOISE from e.g. 50 to 40/60/doesn´t matter

3. Copy all settings

4. Paste all settings to other pics

5. All pasted pics are on thumbnails all violet (don´t know why) and on full view they are like 5 images on one. Immediately there´s a blue pop-up message that some AI denoise changes have to be recalculated, and I have to click one by one picture (not all of them) to make this DENOISE procedure once again.

6. And if I do some changes on pic, there´s this yellow ALL button to do this, SURPRISE!!!, once again.

This sounds like a bug or a problem with the GPU. You've posted in a feature-suggestion thread. I recommend you start a new thread and include all this detail of your problem, along with full-resolution screenshots (not phone pics) of what you see. Also, do the LR menu command Help > System Info and copy/paste the entire contents in that post so we can see exactly which versions of hardware and software LR thinks you're running and important LR options that are set. Either we can resolve the issue or get an actionable bug report posted for Adobe.

Just wasted two days trying to figure out (unsuccessfully) on the June 2025 Denoise. I have work I need to finish - please re-instate the option for the old Denoise

The other issue I have is following:

1. I make on the 1st image changes, incl. DENOISE.

2. After that I can change amount of DENOISE from e.g. 50 to 40/60/doesn´t matter

3. Copy all settings

4. Paste all settings to other pics

BUT

5. All pasted pics are on thumbnails all violet (don´t know why) and on full view they are like 5 images on one. Immediately there´s a blue pop-up message that some AI denoise changes have to be recalculated, and I have to click one by one picture (not all of them) to make this DENOISE procedure once again.

6. And if I do some changes on pic, there´s this yellow ALL button to do this, SURPRISE!!!, once again.

Thank you.

@Cosmic Gens Photography: "when I do this new trick to bulk enhance, the AI glitches and some photos have a pink filter like layer and I need to update the AI system but it does it individually instead of bulk updating."

That sounds like a bug. Please start a new thread describing the precise steps you're taking and what you observe. Full-resolution screenshots (not phone pics) always help. Also, do the LR menu command Help > System Info and copy/paste the entire contents in that post so we can see exactly which versions of hardware and software LR thinks you're running and important LR options that are set.

@ronb2, right, as I wrote before, "But as you observe, you can easily store the DNG files on another drive."

One thing to note is that the new denoise data is significantly smaller than the old DNG representation. In my testing, it's as much as 88% smaller:

https://community.adobe.com/t5/lightroom-classic-ideas/p-bring-back-the-ability-of-enhance-to-create...

 

The space savings varies greatly depending on the amount of incompressible detail (e.g. bare tree branches) in the photos being denoised (not very much on ISO); if lots of photos have lots of incompressible detail, the savings will be much less.

By @johnrellis 

It's not about the "space savings" -- I have more than a hundred terabytes on my home servers and I'm honestly doubtful of any substantial savings over time for what I shoot -- its about the fact that this data is not mobile and wastes space on my internal drive, which is only a handful of terabytes by comparison. 

I'm really disappointed in this update on the whole and if there's not a revision in this functionality I think I'll have to leave Lightroom for another solution.

@D.L. Dietz; "But what DOES have me very perturbed is the fact that my Lightroom catalog increased in size nearly 5x. ... Is there anyway to keep this from happening"

By catalog size, are you referring to the size of the entire catalog folder or the <catalog>.lrcat file in particular? (There's different answers for each.)

Before the update, Enhance for bulk AI Denoise was great! Now not having the chance to Enhance in bulk is such a hassle. Enhancing individually or copying the Detail settings and pasting to the rest is annoying. 

The problem I'm encountering now is that when I do this new trick to bulk enhance, the AI glitches and some photos have a pink filter like layer and I need to update the AI system but it does it individually instead of bulk updating. Taking up a lot of time. It would be amazing to return the bulk Enhance, please don't fix something that was never broken. 

@Stephanie29773921g7ce: "i can no longer enhance batches of photos, but instead must enhance 1 at a time"

See here for how to denoise a batch of photos at once:

https://community.adobe.com/t5/lightroom-classic-ideas/p-bring-back-the-ability-of-enhance-to-create-a-dng-in-the-background-lrc/idc-p/15394147#M24533