XnView Software

XnViewMP 1.8.3 64bit
Windows11 (24H2), display resolution 3840x2160, win scaling 150%

Browser - metadata - sidecar
'Create/update XMP sidecar' setting ignored for WEBP

To reproduce:
0. clean portable app
'Create/update XMP sidecar' is off
1. select test image (WEBP) in Browser it has 3 categories that have been added via Edit XMP...
2. uncheck any category and press 'Update files from Catalog'

issue A
XMP sidecar will be created
expected behviour
embedded metadata should be updated and
no sidecar should be created, because 'Create/update XMP sidecar' is unchecked in Settings

issue B
sidecar created, but no sidecar overlay icon appears

Thanks to your detailed description I can reproduce the problem.

This problem is supposed to be fixed in XnView MP 1.8.4. Please check and confirm the bug fix here.

fixed in 184