1 Second delay in brush stroke appearing

That did actually improve speed signigicantly. Incredible!

Thanks a lot!

Lightroom Classic version: 12.1 [ 202212072312-d7ab524b ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10 - Business Edition
Version: 10.0.19044
Application architecture: x64
System architecture: x64
Logical processor count: 16
Processor speed: 3,6GHz
SqLite Version: 3.36.0
CPU Utilisation: 6,0%
Built-in memory: 32694,0 MB
Dedicated GPU memory used by Lightroom: 262,4MB / 1981,8MB (13%)
Real memory available to Lightroom: 32694,0 MB
Real memory used by Lightroom: 1169,6 MB (3,5%)
Virtual memory used by Lightroom: 1578,2 MB
GDI objects count: 775
USER objects count: 2729
Process handles count: 2245
Memory cache size: 477,1MB
Internal Camera Raw version: 15.1 [ 1329 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 106MB / 16347MB (0%)
Camera Raw real memory: 110MB / 32694MB (0%)
System DPI setting: 144 DPI (high DPI mode)
Desktop composition enabled: Yes
Standard Preview Size: 1440 pixels
Displays: 1) 5120x2160
Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No

Graphics Processor Info:
DirectX: NVIDIA Quadro P400 (31.0.15.1694)
Init State: GPU for Image Processing supported by default with custom export support
User Preference: Auto

Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic
Library Path: C:\Users\mflau\Pictures\Lightroom\mfl-LR5\mfl-v12.lrcat
Settings Folder: C:\Users\mflau\AppData\Roaming\Adobe\Lightroom

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

Config.lua flags: None

Adapter #1: Vendor : 10de
Device : 1cb3
Subsystem : 11be10de
Revision : a1
Video Memory : 1981
Adapter #2: Vendor : 1414
Device : 8c
Subsystem : 0
Revision : 0
Video Memory : 0
AudioDeviceIOBlockSize: 1024
AudioDeviceName: $$$/dvaaudiodevice/SystemDefaultAndEffectiveDeviceName=System Default - LG HDR 5K (NVIDIA High Definition Audio)#{comment}DVAAU-4201250: Open the audio hardware preferences page.
AudioDeviceNumberOfChannels: 2
AudioDeviceSampleRate: 48000
Build: Uninitialized
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: Quadro P400/PCIe/SSE2
GL_SHADING_LANGUAGE_VERSION: 4.60 NVIDIA
GL_STENCIL_BITS: 8
GL_VENDOR: NVIDIA Corporation
GL_VERSION: 4.6.0 NVIDIA 516.94
GPUDeviceEnabled: false
OGLEnabled: true
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