Hello,
once https://github.com/arduino/arduino-cli/issues/27 will be supported also the possibility to burn a bootloader should be added inside arduino-cli
goes without saying, @aster94 :)
Fixed by https://github.com/arduino/arduino-cli/pull/720 (Yay!)
Most helpful comment
Fixed by https://github.com/arduino/arduino-cli/pull/720 (Yay!)