Their official stance is that they can not release the code for consoles because...

BudaDude on July 28, 2022 | parent | context | favorite | on: Godot 4.0 development enters feature freeze ahead ...

Their official stance is that they can not release the code for consoles because of NDAs. You won't find any open source engine with console support because of that. They are hoping that consoles loosen up and open source their SDK.