XnView Software

Problem solved.

Here you can see two settings:
Settings > Interface > Mouse >

1. Mouse Wheel [Scroll up/down]
2. Mouse Wheel + CTRL [Scroll up/down]

Obviously, these two options should work in the same way, with the only difference being that scrolling while holding down CTRL is more convenient for someone ...

Okay, as far as I can tell, the problem is not with the program.

After running some tests in other programs, I found the same problem.

At least I saw the same problem in Pureref and another photo viewer. In the latter, though, the problem occurs only if you use the screen magnifier.

Xnview ...

This one?
This one? If this one, I don't quite get the point. All files have the same problem.

Am I the only one with this problem?

A problem similar to mine has already been noted.

How do I turn on V-sync?

https://i.imgur.com/OGtHEfE.jpg

But seriously, I don't know what else to add. You can see everything in the screenshot.

As you zoom in and drag the image, similar distortions appear. Basically it goes from left to right, decreasing downward. But if you move the image ...

And is it a bug that the search with folder exclusion does not work when using catalog?

Example:

D:\Folder\
D:\Folder\Subfolder
D:\Folder\file.png
D:\Folder\Subfolder\file.jpg

I search : Pathname:Contein (Subfolder) With or without Use Catalog.
I get the result >
D:\Folder\Subfolder\file.jpg ...