Thanks for your support
If you want, you can push the platformio env for your specific board to add it to the list of supported boards
+1 for V3 support, and if there's anything I can do to help with V4 support, let me know. I've not got the most free time, but would be happy to contribute if possible.
Happy to PR. I'll do in 2 parts, as needs the platformio env as well as UART-aware serial init in adapters and terminal.