Lightroom masks: very slow response when brushing

Hi GoldingD,

Thank you so much. Please see the information you requested below:

Lightroom Classic version: 11.5 [ 202208080927-8a575c91 ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10 - Home Premium Edition
Version: 10.0.22000
Application architecture: x64
System architecture: x64
Logical processor count: 8
Processor speed: 3.3GHz
SqLite Version: 3.36.0
Built-in memory: 32602.0 MB
Real memory available to Lightroom: 32602.0 MB
Real memory used by Lightroom: 1618.6 MB (4.9%)
Virtual memory used by Lightroom: 2757.4 MB
GDI objects count: 788
USER objects count: 2118
Process handles count: 2173
Memory cache size: 202.1MB
Internal Camera Raw version: 14.5 [ 1177 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 463MB / 16301MB (2%)
Camera Raw real memory: 472MB / 32602MB (1%)
System DPI setting: 144 DPI (high DPI mode)
Desktop composition enabled: Yes
Displays: 1) 2400x1600
Input types: Multitouch: Yes, Integrated touch: Yes, Integrated pen: Yes, External touch: No, External pen: No, Keyboard: Yes

Graphics Processor Info:
DirectX: NVIDIA GeForce RTX 3050 Ti Laptop GPU (27.21.14.6259)

Init State: 3
User Preference: 1

Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic
Library Path: C:\Users\scool\OneDrive\Pictures\Lightroom\Lightroom Catalog.lrcat
Settings Folder: C:\Users\scool\AppData\Roaming\Adobe\Lightroom

Installed Plugins:
1) AdobeStock
2) Facebook
3) Flickr
4) Nikon Tether Plugin

Config.lua flags: None

Adapter #1: Vendor : 10de
Device : 25a0
Subsystem : 541414
Revision : a1
Video Memory : 3993
Adapter #2: Vendor : 8086
Device : 9a49
Subsystem : 451414
Revision : 1
Video Memory : 80
Adapter #3: Vendor : 1414
Device : 8c
Subsystem : 0
Revision : 0
Video Memory : 0
AudioDeviceIOBlockSize: 1024
AudioDeviceName: $$$/dvaaudiodevice/SystemDefaultAndEffectiveDeviceName=System Default - Speakers (Realtek High Definition Audio(SST))#{comment}DVAAU-4201250: Open the audio hardware preferences page.
AudioDeviceNumberOfChannels: 2
AudioDeviceSampleRate: 48000
Build: LR5x19
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: GeForce RTX 3050 Ti Laptop GPU/PCIe/SSE2
GL_SHADING_LANGUAGE_VERSION: 4.60 NVIDIA
GL_STENCIL_BITS: 8
GL_VENDOR: NVIDIA Corporation
GL_VERSION: 4.6.0 NVIDIA 462.59
GPUDeviceEnabled: false
OGLEnabled: true
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