XnView Software

... transparent thumbnails blend with background, which is inconvenient

Suggestion
add 'Use transparency grid (checkered pattern)' option to Settings>Thumbnail
to make transparent images more noticeable, like in digiKam and Bridge





Example
thumbnails transparency
test_img.zip
browser ...

... Export somewhat does this but is a little overkill and can hang whilst creating a preview if it was last in such a state). I suggested another solution where the save dialog lists the settings that deviate from your designated norm. Certainly seeing the options in a ready way is very important.

David

there is no functionality to color 'image numbers', whatever you mean by that
use Labels and Label colors in Settings>Thumbnail

Yes, this is something that I have suggested to you before, Pierre. A few days ago, remember?

Settings:View:Show navigator should be available in "Compare Files".

This is the feature that allows you to position the viewport when you are zoomed in to an image.

Well, I wanted to make sure my settings were not doing something to make layouts misbehave, so I started over with a clean install of the app, no .ini file or any configuration at all.

So this is exactly what a new user would get "out of the box" with Layouts.

The first thing I notice is that, while ...

... detailed knowledge.

There can be graphical glitches (that persist across app restart) when switching themes or when using the color labels settings within the app, especially if you use the "Restart now" option when the app notifies you that you will need to restart. Basically, sometimes some ...

... present since at least 1.9.7

OS: Windows Home, 64-bit

See here for full write-up.

Since 1.9.7 at least and when the "Custom" theme (Tools > Settings > General)) is being used, the "Conditions" box in the search function (true for the Smart Albums feature as well) has gone white, making it ...

... to show / no show an inset (similar to the histogram inset) but showing the whole image then it is zoomed in so much that it becomes larger than the frame, i.e. that pops-up exactly in the same way a navigator inset pops-up in the view mode when the case "show navigator" is checked in settings/view

So, I just spent time experimenting with the different themes (Tools > Settings > General), and this does appear to be an issue with the "Custom" theme; all the other themes have a Conditions box color coherent with the theme's colors.

When one chooses the Custom theme, there is indeed a dialog box ...

... too long to display fully. Showing the end of the name along with the file format would make it easier to identify files clearly.

Perhaps a settings to choose begin/middle/end ellipsis??


4.When a background color (e.g., white) is selected in the thumbnail area, selecting an image currently ...

It could be something with your display settings or your color or theme settings in Windows.

Or it could be you’ve monkeyed with the theme settings in the app.

Start with a fresh install/config of the app and see if that rectifies your colors.

... grey, has gone white:

white search box.jpg

As you can see, this makes the employed conditions very difficult to read.

I did go through my settings to see if I changed something that may cause this, but I didn't find anything obvious.

Did I infinite-monkeys something to change it to this ...

Good catch! FWIW users on the XnView forums got help from the official dev asking for a sample file so they can see exactly why the thumbnails/preview aren’t showing, and one suggestion was to check Settings → General → show all graphic formats first.

... and open source program that lets you capture or record any area of your screen and share it with a single press of a key. It also allows uploading images, text or other types of files to many supported destinations you can choose from.”

NerdLITE: ShareX – BEST Screen Recording Settings [WebM / MP4]

Somethings's not right. Suggest you delete your settings and start with a fresh copy of the app, or post screenshots of your settings.

What file types are we talking about? Jpeg or something else?

If you have hundreds or thousands of images in a single folder, it will take a few seconds to load them ...