Mac Mini M2 : GPU not Support by Lightroom Classic 13.5.1

[promphans68272072]

Just update to Mac OS 15.0.1 then my Lightroom Classic 13.5.1 show no support on M2 GPU.
And now editing the photos become so slow, what should I do ?? Any suggestion or Solution ?

PS.
Try to uninstall and re-install LR already -> Problem still the same
Try to disable 3rd party plug-in -> Problem still the same
Try to restart Mac Mini M2 -> Problem still the same

Here is my Sytem info :

Lightroom Classic version: 13.5.1 [ 202408271704-d15d09cd ]
License: Creative Cloud
Language setting: en-TH
Operating system: Mac OS 15
Version: 15.0.1 [24A348]
Application architecture: arm64
Logical processor count: 8
Processor speed: NA
SqLite Version: 3.36.0
Built-in memory: 16,384.0 MB
Dedicated GPU memory used by Lightroom: 0.0MB / 0.0MB (0%)
Real memory available to Lightroom: 16,384.0 MB
Real memory used by Lightroom: 2,863.0 MB (17.4%)
Virtual memory used by Lightroom: 409,483.7 MB
Memory cache size: 546.1MB
Internal Camera Raw version: 16.5 [ 1954 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2
Camera Raw virtual memory: 1370MB / 8191MB (16%)
Camera Raw real memory: 1597MB / 16384MB (9%)

Cache1:
Final1- RAM:352.0MB, VRAM:0.0MB, Z8D_2695.NEF
Preview2- RAM:22.0MB, VRAM:0.0MB, Z8D_2699.NEF
Preview3- RAM:22.0MB, VRAM:0.0MB, Z8D_2693.NEF
Final4- RAM:498.0MB, VRAM:0.0MB, Z8D_2696.NEF
Preview5- RAM:22.0MB, VRAM:0.0MB, Z8D_2692.NEF
Preview6- RAM:22.0MB, VRAM:0.0MB, Z8D_2700.NEF
Preview7- RAM:22.0MB, VRAM:0.0MB, Z8D_2694.NEF
Preview8- RAM:22.0MB, VRAM:0.0MB, Z8D_2698.NEF
Final9- RAM:352.0MB, VRAM:0.0MB, Z8D_2697.NEF
NT- RAM:1,334.0MB, VRAM:0.0MB, Combined:1,334.0MB

Cache2:
m:546.1MB, n:1,189.7MB

U-main: 83.0MB

Standard Preview Size: 2880 pixels
Displays: 1) 5120x2880, 2) 3440x1440

Graphics Processor Info:

Init State: GPU Unsupported
User Preference: Auto
Enable HDR in Library: OFF

Application folder: /Applications/Adobe Lightroom Classic
Library Path: /Volumes/BLUE_SSD_LR DB/DnA LR_2022/MAR2022/LR_DB_2024-v13-3.lrcat
Settings Folder: /Users/promphans/Library/Application Support/Adobe/Lightroom

Installed Plugins:
1) AdobeStock
2) Imagenomic Portraiture 4
3) Logi Plugin
4) Loupedeck2
5) Topaz Photo AI

Config.lua flags:

[moved from bugs to discussions according to the community rules - Mod.]

[Bob Somrak · Accepted solution]

Try this.  Sometimes LrC thinks there is an issue with the GPU or something and sets this file to turn GPU off.  Erasing the file and restarting LrC should fix the issue and allow you to reselect GPU support in preferences.

[promphans68272072]

Problem solved, thank you very much ^.^