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P: People Masking fails on Mac (Intel)

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Since the latest versions of Lightroom Classic and MacOS the masking of people always shows “No people found” – even on photos where it was working before.

Lightroom Classic version: 15.2 [ 202602111402-ec4112e8 ]
License: Creative Cloud
Language setting: en-DE
Operating system: Mac OS 26
Version: 26.3.0 [25D125]
Application architecture: x64
Logical processor count: 24
Processor speed: 3,3GHz
SqLite Version: 3.36.0
Adobe GSDK Version: 1.4.0.171

Built-in memory: 196.608,0 MB
Dedicated GPU memory used by Lightroom: 4.743,3MB / 16.368,0MB (28%)
Real memory available to Lightroom: 196.608,0 MB
Real memory used by Lightroom: 3.040,3 MB (1,5%)
Virtual memory used by Lightroom: 55.303,7 MB
Memory cache size: 62,7MB
Internal Camera Raw version: 18.2 [ 2482 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 631MB / 98303MB (0%)
Camera Raw real memory: 644MB / 196608MB (0%)

Cache1:
Final1- RAM:519,0MB, VRAM:1.818,0MB, ALP05331.ARW
NT- RAM:519,0MB, VRAM:1.818,0MB, Combined:2.337,0MB

Cache2:
m:62,7MB, n:253,8MB

U-main: 129,0MB

Standard Preview Size: 6016 pixels
Displays: 1) 6016x3384

Graphics Processor Info:
Metal: AMD Radeon Pro W5700X
Init State: GPU for Export supported by default
User Preference: Auto
Enable HDR in Library: OFF
GPU for Preview Generation: Off (S5_15)

Application folder: /Applications/Adobe Lightroom Classic
Library Path: /Volumes/Sonnet m2/Lightroom/Lightroom Catalog-v13-3.lrcat
Settings Folder: /Users/zippo/Library/Application Support/Adobe/Lightroom

Installed Plugins:
1) Publisher, By The Turning Gate

Config.lua flags:

johnrellisCorrect answer

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@sirthrosturv, @Hot Tubs Oxfordshire, there are many reports that People masking fails on Intel Macs with Mac OS 26.3, and the evidence strongly points at a buggy AMD graphics driver released in 26.3:

While waiting for Apple and AMD to release a fixed driver, try this workaround:

@Hot Tubs Oxfordshire I intalled Mac OS Sequoia on an external drive (since it appears impossible to downgrade Tahoe) and people detection is no an issue when runnig Lightroom under that OS on the iMac.

That’s further evidence it’s a bug in the Mac OS 26.3 AMD graphics driver.

A

andreaudet82

Known Participant

I have the same issue.

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JohanElzenga

Community Expert

You need to give more information. Go to Help - System Info, copy the information and paste it here.

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-- Johan W. Elzenga

U

ubbyliv

Participating Frequently

Lightroom-version: 10.0 x64 [ 20261029-1525-df1be3b ] (Oct 29 2026)
NGL-version: 1.45.0.3
WF-version: 9.0 68d8982
VF-version: 1.0.173
HIL-version: 40501
CAI-version: adobe_api/1.76.0
PH-version: 6.1.1
Adobe GSDK-version: 1.4.0.213
CR-version: 2026.11.16.4de8f18
Katalog-ID: e6c74b9625b54bd89904167de8c5476d

Operativsystem: macOS
Operativsystemsversion: macOS 26.7.3 (25G342)
Programarkitektur: x64
Datormodell: iMac20,2 / Intel(R) Core(TM) i9-10910 CPU @ 3.60GHz
Antal logiska processorer: 20
Processorhastighet: 3,6 GHz
Tillgängligt fysiskt minne för Lightroom: 131 072,0 MB
Använt fysiskt minne för Lightroom: 1 815,0 MB (1,3%)
Högsta använt minne för Lightroom: 1 815,0 MB
Storlek på cache-minnet: 3 402,8 MB

Intern Camera Raw-version: 19.0 [ 2790 ]
Högsta antal trådar som används av Camera Raw: 11
SIMD-optimering för Camera Raw: SSE2,AVX,AVX2
Virtuellt minne för Camera Raw: 0MB / 63488MB (0%)

Visning: 5120x2880
Mörkt läge: Nej

Grafikprocessorinformation: Metal: AMD Radeon Pro 5700 XT - 16 GB
Grafikprocessorinformation: loaded: Ja, supported: Ja, compute: Ja, init: I4_GPU4, hard: success, soft: success, al: Ja, dl: Nej
Operativsystemets mediakapacitet: true
ML-modeller på enheten:
ML Model subject: version=318769633 (19.0.0.2529)
ML Model sky: version=234881976 (14.0.0.952)
ML Model object: version=234881976 (14.0.0.952)
ML Model skin: version=234881976 (14.0.0.952)
ML Model depth: version=CCDD52F46369C8EDAA3E666D6FCEEEFF
ML Model layered depth: version=43D845DDBB980B2AAB510364CCA3A862
ML Model AI Look: version=1.0.8 - 20240818 (CoreML)
ML Model Dereflect: version=2026-04-14-1258
ML Model Dereflect Base: version=2026-04-14-1258
ML Model Dereflect Upsampler: version=2025-06-25-0915
ML Model Skin Blemish Detection: version=1.0.3 - 07-23-2025
ML Model Skin Retouch: version=1.0.6 - 06-12-2026
ML Model Dust Detection: version=1.0.2 - 08-19-2024
ML Model GenCrop Automatic: version=0.6.0 - 09-25-2026

Programmapp: /Applications/Adobe Lightroom CC
Inställningsmapp: /Users/evagustafsson/Library/Application Support/Adobe/Lightroom CC
Biblioteksmapp: /Users/evagustafsson/Pictures/Lightroom Library.lrlibrary

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JohanElzenga

Community Expert

“Grafikprocessorinformation: Metal: AMD Radeon Pro 5700 XT - 16 GB”

Known issue. That’s what this thread is all about. Read the ‘Best answer’.

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-- Johan W. Elzenga

U

ubbyliv

Participating Frequently

Just updated a bunch of Adobe apps via Creative Cloud. I was right now checking up Lightroom and found something that confuses me. When I try to create a mask of People/Persons Lightroom says Can’t find any persons in this photo. I’ve tried a bunch of photos with people as the main subject but same thing happens over and over.
The iPad version has no problems with this at all

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skilled_dare31f4

Participant

Same problem here … :( I am thinking to stop the subscription and start to work with basic included Apple software… :(

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johnrellis

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This is a duplicate post with:

https://community.adobe.com/bug-reports-674/people-masking-tool-stopped-working-months-ago-select-masking-tools-select-people-receive-message-no-people-found-see-sample-screenshot-1650692?postid=7786905#post7786905

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johnrellis

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@iMac, OS version 26.6.2, with Intel 8-Core 3.8 GHz processor.

Apple and AMD released a buggy graphics driver for the AMD 500- and 5000-series GPUs on Intel Macs in Mac OS 26.3, and many people have reported similar symptoms with People masks and other AI commands:
https://community.adobe.com/questions-675/p-people-masking-fails-on-mac-intel-1551766/index3.html

The only known workaround is to roll back to Mac OS 26.2, which is tedious:
https://community.adobe.com/questions-675/p-people-masking-fails-on-mac-intel-1551766?postid=7687932#post7687932

Given that Mac OS 27 doesn’t support Intel Macs and that AMD stopped selling GPUs to Apple in 2020, I think it’s unlikely that Apple and AMD will release a fixed driver.

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johnrellis

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Moderators, @Sameer K, please merge with the authoritative thread on this issue:
https://community.adobe.com/questions-675/p-people-masking-fails-on-mac-intel-1551766/index1.html

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hugh_1870

Participant

See sample screenshot:

I have an iMac, OS version 26.6.2, with Intel 8-Core 3.8 GHz processor. Lightroom Classic version 15.6

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hugh_1870

Participant

See sample screenshot:

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epic_neighbors15A8

Participant

Were you ever able to find a fix for the Ai mask? My LR Classic still will not find people, I have the newest updates & I deleted the LR Classic and reinstalled. I found something on the Adobe website that says to go to preferences and general and enable people view under privacy but I don’t have a privacy option or anything that looks like enable people view in the preferences.

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Gerhard32575270xlw0

Participant

die Personenerkennung und Maskierung innerhalb Camera RAW 18.5.0.2673 funktioniert seit einigen Updates von Photoshop nicht mehr auf meinem Mac Pro 2019 mit einer AMD Radeon Pro Vega II 32 GB Grafikkarte und Mac OS 26.6.2 sowie Photoshop Version 27.9.1, auf einem MacBook Pro M1 jedoch mit der selben MacOS und Camera Raw Version jedoch einwandfrei. Jahrelang hat das einwandfrei funktioniert und ist ein wichtiger Teil meines Arbeitsprozesses. Momentan muss ich nur für die Maskierung auf den Apple Silikon ausweichen, was ich als ärgerlich empfinde. Ist das Absicht, den immer noch völlig ausreichend leistungsstarken Mac Pro 2019 nicht mehr zu unterstützen?

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