/all keeps downloading some "master.m3u8" file
I've heard about this happening once before, though I'm a little fuzzy on the details. I think it had something to with the file getting misinterpreted as an image, and the person was using a userscript that automatically expanded images.
You filed the issue on it! xD
I remember this happening before so it might be the same thing, auto media preview basically: https://kbin.social/m/kbinMeta/t/77143
https://codeberg.org/Kbin/kbin-core/issues/446
Haha, so I did! A lot has happened in 3 months. XD