Hey Thorbjørn, I always downloaded Tiled from the official site. The folder spam started in 2022, altought I noticed there was already folder for 2021 (but a single one).
The folder names sounds like some linux codename releases. It seems to be a word generator that adds 3 words together;
"barely-viable-shiner"
"terminally-unique-dragon"
"randomly-careful-yeti"
and so on.
I'm led to think this is related with Tiled because of files content (see screenshots)
In most of the folders I checked, there was 2 JSONS Files:
operate-context.json
operate-log.json
Theres got to be more files generated but I don't know what (because 44,140 folders with 2 files in each does not reach the amount of files I had to delete)
Here's a link with a quick montage of everything I got (sorry no time to do something pretty): LINK TO IMAGE