I recently moved away from Windows to Arch Linux and wanted to get back into Deltarune speedrunning, but I can't because I can't figure out the autosplitter. Whenever I launch the game and try to use the autosplitter on Livesplit (running through Wine), it doesn't seem to recognize the game.

I'm not too much of an expert on Linux, but I would definitely recommend this tutorial by @NoelleTGS and go to the LiveSplit/autosplitter section, assuming you haven't already done so:

Ty lol this was really helpful