Blurring Issue?

Report · Oct 30, 2025

Hi,

Ever since I updated to 15.0 yesterday on my windows 11, I cannot see what/how much blur I am putting on my photos in Lightroom. I'm having to export before I can tell then blindly adjust. Is there anything that can be done about this? It's driving me nuts and waisting a ton of precious time...

Report · Oct 30, 2025

Hi @ManyHatsatWork, welcome to the community!
I gave this a try on my end but wasn’t able to reproduce the issue. Just to clarify, when you apply Lens Blur, does the photo not update at all with the changes? Does this only happen with that specific tool and with a particular image?
If you can, please share a few more details, like a screenshot or a screen recording showing your workflow and where the issue comes up. That would really help us take a closer look.
Thanks so much!
Alek

*(If you mention me with an @, like @Aleke, I’ll get a notification and can respond faster.)*

Report · Oct 31, 2025

Hello, @Aleke, thank you for your response.

I've only noticed the issue when I'm trying to use the blur backround presets or manually doing them in the lens blur panel. In lightroom, the photos (any photo) appears to have no blur no matter what I do but if I export and view in Window's preview the photo has blur and very often too much so I have to blindly adjust and reexport before I can make another adjustment. Any ideas?

I have attached two minor examples here; one how it appears in lightroom and one of the exported version.

Thanks!

Report · Oct 31, 2025

Here's my Lens Blur isssue - copied from Lightroom Queen Forum :-

Re-editing some old "Favourite" photos to show on my wife's Photo frame. Working on a .jpg previously edited with Lens Blur included successfully. Removed some distractions to improve the composition. Updated AI Edit Status button and background blur was gone. Fiddled around in the Lens Blur panel trying various things even trying a reset on a virtual copy. Background not blurring and Visualise checkbox not showing the depth mask. Lens blur has always been somewhat slow on my PC which is reasonably specd.

So tried exporting the photo without edits to Photoshop Beta (latest update) and opened in ACR filter. Lens Blur worked perfectly and much more quickly than in LRc. Visualisation showed depth mask. So, cannot be a resources or hardware issue in LRc as now I am working with both LRc and Photoshop open at the same time running a dual display so can flip easily from one to the other.

Can anyone confirm if they are experiencing this behaviour in LRc 15.0?

Thanks, Barry

Attached screen shot shows no blur in background or Visualisation depth map

Report · Nov 02, 2025

I have the same problem, but it does not always appear and restarting LRC (15) seems to clear the problem for a while until a fresh restart is needed. I am on a Mac Tahoe 16.0.1. LRC 15.0.

Report · Nov 09, 2025

the same problem for me.

Itsn ot working at all.

Report · Nov 02, 2025

@Aleke

I am having the same issue after updating. Never had the problem before the update. I will be working on photos and all of a sudden the amount of blur I am applying, isn't showing in real time. I have to close the program and restart to fix. Work on a few more photos and have to close and restart the program again. I am working on Mac Sequoia 15.6.1. It is quite random. I am working on Raw files, not .jpg.

Report · Nov 11, 2025

No LR does not react at all. After restarting the program all is well again. I made two screenshots to illustrate the issue, one with blur set to 100% and Focus range set to zero and one with blur set to 100% and Focus range set to full. As you can see, none of these settings made any difference. After restarting, however, the last setting was applied.

Report · Nov 11, 2025

Hey all! @lagedor222, @stephanie_1314, @benjaminh35426781, @Barryvcns & @ManyHatsatWork.

Before you exit Lightroom Classic > go to Lightroom Classic /edit > Preferences > Performance > Optimize Catalog... & proceed with restarting Lightroom Classic.

Let me know if the issue exists after restarting Photoshop.

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

Report · Nov 11, 2025

@Sameer

No, it didn't fix the problem.

Report · Nov 12, 2025

This didnt fix the issue for me @Sameer K

I can use it on 1 photo after the program starts and then anythingh after it doesnt work - i have to restart LR again.

Report · Nov 12, 2025

@two miles5336627, @stephanie_1314 - Please share the system info from Lightroom Help > System info > Copy & paste into a text document > upload & attach here.

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

Report · Nov 13, 2025

@Sameer K here you go

Lightroom Classic version: 15.0.1 [ 202511041508-dddee541 ]

License: Creative Cloud

Language setting: en

Operating system: Windows 11 - Home Premium Edition

Version: 11.0.26200

Application architecture: x64

System architecture: x64

Logical processor count: 16

Processor speed: 3.6GHz

SqLite Version: 3.36.0

Adobe GSDK Version: 1.4.0.171

CPU Utilisation: 30.0%

Power Source: Plugged In

Built-in memory: 65460.9 MB

Dedicated GPU memory used by Lightroom: 13222.7MB / 12012.0MB (110%)

Real memory available to Lightroom: 65460.9 MB

Real memory used by Lightroom: 14524.1 MB (22.1%)

Virtual memory used by Lightroom: 25791.9 MB

GDI objects count: 934

USER objects count: 3451

Process handles count: 3827

Memory cache size: 12120.5MB

Internal Camera Raw version: 18.0 [ 2389 ]

Maximum thread count used by Camera Raw: 5

Camera Raw SIMD optimization: SSE2,AVX,AVX2

Camera Raw virtual memory: 4506MB / 32730MB (13%)

Camera Raw real memory: 4694MB / 65460MB (7%)

Cache1:

Final1- RAM:165.0MB, VRAM:0.0MB, _DSC8090.NEF

Final2- RAM:2388.0MB, VRAM:5580.0MB, _DSC8089.NEF

Final3- RAM:165.0MB, VRAM:0.0MB, _DSC8091.NEF

NT- RAM:2718.0MB, VRAM:5580.0MB, Combined:8298.0MB

Cache2:

m:12120.5MB, n:495.4MB

U-main: 111.0MB

System DPI setting: 216 DPI (high DPI mode)

Desktop composition enabled: Yes

Standard Preview Size: 3840 pixels

Displays: 1) 3840x2160

Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No

Graphics Processor Info:

DirectX: NVIDIA GeForce RTX 4070 (32.0.15.8157)

Init State: GPU for Export supported by default

User Preference: GPU for Image Processing Enabled

Enable HDR in Library: ON

GPU for Preview Generation: Auto (S5_11)

Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic

Library Path: C:\Users\benat\Pictures\Lightroom\Lightroom Catalog-2-v13-3.lrcat

Settings Folder: C:\Users\benat\AppData\Roaming\Adobe\Lightroom

Installed Plugins:

1) AdobeStock

2) Flickr

Config.lua flags:

Adapter #1: Vendor : 10de

Device : 2786

Subsystem : 13cd196e

Revision : a1

Video Memory : 12012

Adapter #2: Vendor : 1414

Device : 8c

Subsystem : 0

Revision : 0

Video Memory : 0

AudioDeviceIOBlockSize: 1024

AudioDeviceName: System Default - Panasonic-TV (NVIDIA High Definition Audio)

AudioDeviceNumberOfChannels: 2

AudioDeviceSampleRate: 48000

Build: LR5x26

Direct2DEnabled: false

GL_ACCUM_ALPHA_BITS: 16

GL_ACCUM_BLUE_BITS: 16

GL_ACCUM_GREEN_BITS: 16

GL_ACCUM_RED_BITS: 16

GL_ALPHA_BITS: 0

GL_BLUE_BITS: 8

GL_DEPTH_BITS: 24

GL_GREEN_BITS: 8

GL_MAX_3D_TEXTURE_SIZE: 16384

GL_MAX_TEXTURE_SIZE: 32768

GL_MAX_TEXTURE_UNITS: 4

GL_MAX_VIEWPORT_DIMS: 32768,32768

GL_RED_BITS: 8

GL_RENDERER: NVIDIA GeForce RTX 4070/PCIe/SSE2

GL_SHADING_LANGUAGE_VERSION: 4.60 NVIDIA

GL_STENCIL_BITS: 8

GL_VENDOR: NVIDIA Corporation

GL_VERSION: 4.6.0 NVIDIA 581.57

GPUDeviceEnabled: false

OGLEnabled: true

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Report · Nov 13, 2025

@Sameer K

Report · Nov 13, 2025

@sameerSystem info attached

Report · Nov 24, 2025

@Sameer K any update to fixing this lens blur bug?

Report · Nov 09, 2025

Since updating to 15 the lens blur function no longer works. If i apply it to a photo nothing happens even after analyzing. photos that once had it applied now do not and updating AI settings isn't fixing it.

I have tried backing up and checking catalog integrity as some users have suggested but the problem is till here. I'm very close to finishing a wedding edit but this bug has put me back massively.

Report · Nov 09, 2025

There have been a few other reports about problems with Lens Blur in LR 15.

Please do the LR menu command Help > System Info and copy/paste the entire contents here so we can see exactly which versions of hardware and software LR thinks you're running and important LR options that are set.

Report · Nov 10, 2025

Lightroom Classic version: 15.0 [ 202510171722-44f87028 ]

License: Creative Cloud

Language setting: en

Operating system: Windows 11 - Home Premium Edition

Version: 11.0.26200

Application architecture: x64

System architecture: x64

Logical processor count: 16

Processor speed: 3.6GHz

SqLite Version: 3.36.0

CPU Utilisation: 14.0%

Power Source: Plugged In

Built-in memory: 65460.9 MB

Dedicated GPU memory used by Lightroom: 4529.0MB / 12012.0MB (37%)

Real memory available to Lightroom: 65460.9 MB

Real memory used by Lightroom: 2225.6 MB (3.3%)

Virtual memory used by Lightroom: 7234.0 MB

GDI objects count: 773

USER objects count: 3376

Process handles count: 2917

Memory cache size: 284.3MB

Internal Camera Raw version: 18.0 [ 2389 ]

Maximum thread count used by Camera Raw: 5

Camera Raw SIMD optimization: SSE2,AVX,AVX2

Camera Raw virtual memory: 459MB / 32730MB (1%)

Camera Raw real memory: 477MB / 65460MB (0%)

Cache1:

Final1- RAM:362.0MB, VRAM:3047.0MB, _DSC8411.NEF

NT- RAM:362.0MB, VRAM:3047.0MB, Combined:3409.0MB

Cache2:

m:284.3MB, n:165.1MB

U-main: 114.0MB

System DPI setting: 216 DPI (high DPI mode)

Desktop composition enabled: Yes

Standard Preview Size: 3840 pixels

Displays: 1) 3840x2160

Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No

Graphics Processor Info:

DirectX: NVIDIA GeForce RTX 4070 (32.0.15.8180)

Init State: GPU for Export supported by default

User Preference: GPU for Image Processing Enabled

Enable HDR in Library: ON

GPU for Preview Generation: Auto (S5_11)

Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic

Library Path: C:\Users\benat\Pictures\Lightroom\Lightroom Catalog-2-v13-3.lrcat

Settings Folder: C:\Users\benat\AppData\Roaming\Adobe\Lightroom

Installed Plugins:

1) AdobeStock

2) Flickr

Config.lua flags:

Adapter #1: Vendor : 10de

Device : 2786

Subsystem : 13cd196e

Revision : a1

Video Memory : 12012

Adapter #2: Vendor : 1414

Device : 8c

Subsystem : 0

Revision : 0

Video Memory : 0

AudioDeviceIOBlockSize: 1024

AudioDeviceName: System Default - Panasonic-TV (NVIDIA High Definition Audio)

AudioDeviceNumberOfChannels: 2

AudioDeviceSampleRate: 48000

Build: Uninitialized

Direct2DEnabled: false

GL_ACCUM_ALPHA_BITS: 16

GL_ACCUM_BLUE_BITS: 16

GL_ACCUM_GREEN_BITS: 16

GL_ACCUM_RED_BITS: 16

GL_ALPHA_BITS: 0

GL_BLUE_BITS: 8

GL_DEPTH_BITS: 24

GL_GREEN_BITS: 8

GL_MAX_3D_TEXTURE_SIZE: 16384

GL_MAX_TEXTURE_SIZE: 32768

GL_MAX_TEXTURE_UNITS: 4

GL_MAX_VIEWPORT_DIMS: 32768,32768

GL_RED_BITS: 8

GL_RENDERER: NVIDIA GeForce RTX 4070/PCIe/SSE2

GL_SHADING_LANGUAGE_VERSION: 4.60 NVIDIA

GL_STENCIL_BITS: 8

GL_VENDOR: NVIDIA Corporation

GL_VERSION: 4.6.0 NVIDIA 581.80

GPUDeviceEnabled: false

OGLEnabled: true

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Report · Nov 10, 2025

@benjaminh35426781: "DirectX: NVIDIA GeForce RTX 4070 (32.0.15.8180)"

That graphics driver is a Game Ready driver. But Nvidia and Adobe recommend using Studio drivers, which get more testing with creative apps like LR. You can download the latest Studio driver from here:

https://www.nvidia.com/en-us/drivers/details/257327/

To help others, let us know if that fixes the issue.

Report · Nov 10, 2025

It is yes because I also game on this PC.

I've never had an issue using it before and it's only on lr15 that this bug
has appeared

Report · Nov 10, 2025

@benjaminh35426781: "It is yes because I also game on this PC. I've never had an issue using it before and it's only on lr15 that this bug has appeared"

LR uses the GPU much differently than nearly another other app, especially games. Games generate gazillions of shaded triangles per second, while LR executes its render pipeline on still images and AI models on arrays of pixels. Thus it's often the case that when LR trips over a driver bug, it's the only app users see having problems.

Nvidia releases a Game Ready driver about twice a month plus or minus. Once a month it takes one of those drivers and does the extra testing with creative apps and releases it as a Studio driver. So a Studio driver is just a Game Ready driver that's a couple three weeks old.

Report · Nov 17, 2025

same issue on the studio drivers

Report · Nov 17, 2025

Make sure you shut down your computer after updating your driver. Then reboot the computer.

Regards, Denis: iMac 27” mid-2015, macOS 11.7.10 Big Sur; 2TB SSD, 24 GB Ram, GPU 2 GB; LrC 12.5,; Lr 6.5, PS 24.7,; ACR 15.5,; (also Laptop Win 11, ver 24H2, LrC 15.0.1, PS 27.0; ) Camera Oly OM-D E-M1.

Report · Nov 24, 2025

doesnt make any difference- the bug is still there.