XnView Software

yes will be better

why?

currently i don't make windows ARM build

currently XnView MP support only 8bits as internal format, but in a future version...

sorry but i don't understand what you would like?

by default filenames of video are not changed

Thanks to your detailed description I can reproduce the problem.

Ok, i can reproduce. Not really a bug. By default, descript.ion file created is ANSI (for compatibility). If you create an empty unicode descript.ion file, it will be used.

If option "View scroll the content by thumbnail" is on, you have the problem?

I can't reproduce, the unicode filename is shown as short name (with ~), and i can view it

this file has bad DPI values, you can disabled options>Use EXIF DPI...

no the setting is global

Made new Category and Subcaterory, copied "images" to Category and began moving to Subcaterory with mouse. At first time moving was well, then (after 194 images) problem appeared again (can't remove from Category). I 've tried to add 250 images to a category, and remove them after, and no problem. ...

dans PArametres>Metadonnée comment est configuré le fichier companion? Vous renommez depuis la liste vignette?

yes it's known issue, jpg are always shown