david_prentice:
If and when there is a mega4809 board with standard headers, I will add them to the library (i.e. they will work automatically)
The Arduino Uno WiFi Rev2 uses the ATmega4809 and has the standard Uno headers:
david_prentice:
My IDE v1.8.9 does not support the EVERY.
You need to use Boards Manager to install Arduino megaAVR Boards 1.8.1.
david_prentice:
And if anyone creates an "official" adapter board with Shield sockets that receives the EVERY I will support the "shield wiring".
There are these things for $2.20 on eBay:
I've never used one, but it looks like you could just solder some female headers on there and have a Nano to Uno adapter. The big problem is it doesn't have an ICSP header, so it won't support any shield that uses that.