Sorry for the long time it took me to answer. I tried it with root user, it's not that. It seems lmms creates a read-only filesystem every time it runs, mounts it somewhere and puts it's config files there. So, to the computer, it's like the config files are in an outside storage device that can't b...
Hey, I downloaded the .AppImage 1.2 version of lmms for linux. The themes directory is set to this weird "data:/themes/default/" in a read-only filesystem, so I can't change the syle.css file. I've tried to set it to other directories many times, every time I close the program and open it again, it'...