Since the latest update to Lightroom Classic when browsing profiles in the Develop module, I have found that the image occasionally remains in monochrome even if another profile is chosen and will not respond as usual when pressing the Alt key and adjusting the white and black points. The only remedy appears to be to select another image in the filmstrip and return to the image being processsed.
Lightroom Classic version: 15.0 [ 202510171722-44f87028 ]
License: Creative Cloud
Language setting: en
Operating system: Windows 11 - Business Edition
Version: 11.0.22631
Application architecture: x64
System architecture: x64
Logical processor count: 24
Processor speed: 3.7GHz
SqLite Version: 3.36.0
CPU Utilisation: 1.0%
Power Source: Plugged In
Built-in memory: 32670.9 MB
Dedicated GPU memory used by Lightroom: 2485.3MB / 4004.0MB (62%)
Real memory available to Lightroom: 32670.9 MB
Real memory used by Lightroom: 5673.8 MB (17.3%)
Virtual memory used by Lightroom: 18356.5 MB
GDI objects count: 1950
USER objects count: 3608
Process handles count: 11235
Memory cache size: 496.3MB
Internal Camera Raw version: 18.0 [ 2389 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 4226MB / 16335MB (25%)
Camera Raw real memory: 4502MB / 32670MB (13%)
Cache1:
Final1- RAM:352.0MB, VRAM:0.0MB, NZ8_1568.NEF
Final2- RAM:352.0MB, VRAM:0.0MB, NZ8_1569.NEF
Final3- RAM:551.0MB, VRAM:595.0MB, NZ8_1570.NEF
NT- RAM:1255.0MB, VRAM:595.0MB, Combined:1850.0MB
Cache2:
m:496.3MB, n:1056.7MB
U-main: 200.0MB
System DPI setting: 192 DPI (high DPI mode)
Desktop composition enabled: Yes
Standard Preview Size: 1440 pixels
Displays: 1) 3840x2160
Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No
Graphics Processor Info:
DirectX: NVIDIA GeForce GTX 1050 Ti (32.0.15.7602)
Init State: GPU for Image Processing supported by default
User Preference: GPU for Image Processing Enabled
Enable HDR in Library: ON
GPU for Preview Generation: Auto (S3_3)
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