Can you add support for the new megaAVR 0-series boards, like Arduino Wifi Rev. 2,
ATmega4809-XPRO (ATMEGA4809-XPRO) and ATmega4809 Curiosity Nano Evaluation kit.
The last costs under 10€ inclusive mEDBG https://www.microchip.com/DevelopmentTools/ProductDetails/DM320115
The Arduino core is released at GitHub - arduino/ArduinoCore-megaavr: Arduino Core for the ATMEGA4809 CPU