LRC 12.4 Very slow working with masks

Question

I've been experiencing a massive drop in performance in Lightroom. On my Windows Desktop (7900X, 64GB DDR5, RTX 4080) as well as on a Macbook 16" (M1 Max, 32gb, 32C GPU).

I tend to use a fair bit of masks and often work with panoramas, but I don't really had much issues with that in the past. Especially when working on/with/adding masks, the program becomes pretty much unresponsive and at times even crashes. I've tried with GPU acceleration on and off, experience is pretty much the same. All drivers are also up-to-date. Anyone else experiencing any of the sort? Solutions? Or am I using an excessive amount of masks (I really don't think I am).

Martijn.Hermans · Answer

For whatever it's worth here's the sys info of my MacBook (after just starting up Lightroom, so not while it's lagging or anything like that):

Lightroom Classic version: 12.4 [ 202306052221-b70c0975 ]
License: Creative Cloud
Language setting: en-NL
Operating system: Mac OS 13
Version: 13.5.0 [22G74]
Application architecture: arm64
Logical processor count: 10
Processor speed: NA
SqLite Version: 3.36.0
Built-in memory: 32.768,0 MB
Real memory available to Lightroom: 32.768,0 MB
Real memory used by Lightroom: 2.532,9 MB (7,7%)
Virtual memory used by Lightroom: 418.134,4 MB
Memory cache size: 55,8MB
Internal Camera Raw version: 15.4 [ 1508 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2
Camera Raw virtual memory: 219MB / 16383MB (1%)
Camera Raw real memory: 337MB / 32768MB (1%)
Standard Preview Size: 4112 pixels
Displays: 1) 4112x2658

Graphics Processor Info:
Metal: Apple M1 Max
Init State: GPU for Export supported by default
User Preference: Auto

Application folder: /Applications/Adobe Lightroom Classic
Library Path: /Users/martijnhermans/Pictures/Lightroom/Lightroom Catalog.lrcat
Settings Folder: /Users/martijnhermans/Library/Application Support/Adobe/Lightroom

Installed Plugins:
1) AdobeStock
2) Aperture/iPhoto Importer Plug-in
3) Flickr
4) Nikon Tether Plugin

Config.lua flags: None

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