XnView Software

it could be 'Play on mouse hover' (eg like Video in Bridge)

yeah if 'Allow only one application instance' is enabled - minimized app should restore its position when new file is opened (eg via doubleclick in win file explorer)

XnViewMP 1.9.8
Windows11 (25H2), display resolution 3840x2160, dpi scale 150%

General
Shadow parameters differ in Border and Text tools, and parameter names could also be improved

Suggestion
unify shadow parameters
same params for objects/text, eg
- color
- opacity
- size
- angle (eg 0-359 ...

related
Book Mode (for viewing comic/magazine scans)

XnViewMP 1.9.8
Windows11 (25H2), display resolution 3840x2160, dpi scale 150%

Settings - thumbnails
thumbnails shadow is the same from all 4 sides, which makes thumbnails blurry

Suggestion
add parameters to alter thumbnail shadow
eg
- color
- opacity
- size
- angle
- distance
- blur


fix ...

Settings > Thumbnails > Overlay icons

XnViewMP 1.9.8
Windows11 (25H2), display resolution 3840x2160, dpi scale 150%

Viewer - coordinates
first pixel in the top-left corner has X:0, Y:0 coordinates
it should be X:1, Y:1

In the recent versions you changed the crop feature requiring confirmation (apply) for not apparent reason, which is not thankfully changed back to what it was.

there have been no changes to crop confirmation since 1.5.0


Now, when you select and copy a portion of the image, and then paste ...

XnViewMP 1.9.8
Windows11 (25H2), display resolution 3840x2160, dpi scale 150%

Viewer/Browser - plugin

to reproduce
0. prerequisites
- set win dpi scale >100%, eg to 150
- download and install dll version of RIOT Plugin ( Riot-plugin-x64.exe )
1. open any image in Viewer
2. click RIOT... in ...

1. goto 'Camera RAW' tab in Settings>Formats>Read
2. change View from 'Embedded preview' to Half or Full size
3. play with Full/Half size rendering adjustments

if does not help - share your file

Note
when localizing strings with variables you have to:
- know what these variables mean to avoid issues AND
- follow exact variables/words order, especially when working with lists, where other options exist

Example
'Duplicate files naming' setting has 5 options (Settings>General>File ...

1. A new image (e.g. downloaded from the net or created by myself) appears in a directory I want to browse. This new image can be ignored by the Viewer for several hours until it becomes visible. Its miniature is seen in the Browser window, but the Viewer refuses to display it.

I cannot ...

I can reproduce, few notes though:
- set Autozoom for Fullscreen
- Zoom-out filter - any, except None and Bilinear

also there is another similar issue:
1. set start with file to Viewer - Fullscreen
2. set Autozoom for Fullscreen to No Fit
3. open any image
image will be very small (~50x50px)

I can reproduce
1. open folder with images in Browser
2. set FilterBy to Images OR Images (+folders)
3. copy/paste image into the same folder multiple times

ps. also there were translation issues of 2 strings related to with 'Copy (#) of <Filename>' option (incorrect variables order)

+1
for adding and option to alter behavior of flattening files functionality (in Settings>Filelist)
eg named something like:
"Resolve folder shortcuts" OR
"Follow folder links" OR
"Follow folder shortcuts when scanning subfolders"