With the 'lufa-ms' bootloader LTO is needed so the keyboard can be built with Configurator.
@@ -22,3 +22,4 @@ BLUETOOTH_ENABLE = no # Enable Bluetooth
AUDIO_ENABLE = no # Audio output
RGB_MATRIX_ENABLE = yes # Use RGB matrix
RGB_MATRIX_DRIVER = IS31FL3741
+LTO_ENABLE = yes
Erovia