I have directory with *.jpg and *.webp files. Every *.jpg has a thumbnail. No one of *.webp files has a thumbnail... or... has? It appears when I rename a file... Or go directory up and then inside, back.. Other disappear on renaming... BBrrrrr... I don't understand anything.
Afaik for webp you need to first setup a thumbnailer by hand, like described here: https://forum.xfce.org/viewtopic.php?pid=52057#p52057
This happened with some of my large (5-20GB) .mkv files I went to /etc/xdg/tumbler/tumbler.rc and changed the MaxFileSize for FfmpegThumbnailer to 0 (default was around 2GB?), and now the thumbnails that showed for a split second either stick, or new ones are generated. I guess the ones that showed before being hidden were cached from before a limit was added or something.
Thanks for the hint! Moving to tumbler, since it sounds like the bug comes from there.
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