M5stack Atom S3 Lite (which compile settings?) - Totally freaking out after 3 night/days

Hardware
10

@Ocramius No issue with pins on my side

The only issue I have so far, is that after a reboot I get some flickers on the LED strips. To “fix” that I have to go to the “LED Preferences” page and click “Save” (without even changing anything!) …