I've created a config/yosbr/options.txt with my default keybindings and deleted the default options.txt file. I can see that the options.txt file is generated with my settings from config/yosbr/options.txt when I launch the game, but as soon as I create a new world, my settings in options.txt are overwritten with the game's defaults. Any thoughts?

Never mind, looks like adding version:2975 to the top of the file makes it work for some reason.