I've already done that a dozen times. So, thanks, but I don't have any illusions of hope. Now, earlier versions are broken. Here's the system info on the latest broken version, 14.0.1 :
Lightroom Classic version: 14.0.1 [ 202410161356-30922cfc ]
License: Creative Cloud
Language setting: en-US
Operating system: Mac OS 15
Version: 15.5.0 [24F74]
Application architecture: arm64
Logical processor count: 8
Processor speed: NA
SqLite Version: 3.36.0
Built-in memory: 8,192.0 MB
Dedicated GPU memory used by Lightroom: 4,014.2MB / 5,461.3MB (73%)
Real memory available to Lightroom: 8,192.0 MB
Real memory used by Lightroom: 902.6 MB (11.0%)
Virtual memory used by Lightroom: 410,632.0 MB
Memory cache size: 41.1MB
Internal Camera Raw version: 17.0 [ 2043 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2
Camera Raw virtual memory: 684MB / 4095MB (16%)
Camera Raw real memory: 816MB / 8192MB (9%)
Cache1:
Final1- RAM:462.0MB, VRAM:1,931.0MB, _DSF3424.RAF
NT- RAM:462.0MB, VRAM:1,931.0MB, Combined:2,393.0MB
Cache2:
m:41.1MB, n:317.5MB
U-main: 87.0MB
Standard Preview Size: 5120 pixels
Displays: 1) 5120x2880
Graphics Processor Info:
Metal: Apple M2
Init State: GPU for Image Processing supported by default
User Preference: Auto
Enable HDR in Library: OFF
Application folder: /Applications/Adobe Lightroom Classic
Library Path: /Users/loren/Pictures/Lightroom/Lightroom Catalog.lrcat
Settings Folder: /Users/loren/Library/Application Support/Adobe/Lightroom
Installed Plugins:
1) AdobeStock
2) Aperture/iPhoto Importer Plug-in
3) Aperty
4) DxO PhotoLab 8
5) DxO PhotoLab 8 Importer
6) Nik 7 HDR Efex
7) Plugin Parameters
Config.lua flags: